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CENTERLINE 2500
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Allen-Bradley CENTERLINE 2500 Installation Instructions

CENTERLINE 2500 Low Voltage Motor Control Centers
Bulletin Number 2500
Installation Instructions
Original Instructions
CENTERLINE 2500 Low Voltage Motor Control Centers Installation Instructions

Important User Information

Activities including installation, adjustments, putting into service, use, assembly, disassembly, and maintenance are required to be carried out by suitably trained personnel in accordance with applicable code of practice.
If this equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment may be impaired.
In no event will Rockwell Automation, Inc. be responsible or liable for indirect or consequential damages resulting from the use or application of this equipment.
The examples and diagrams in this manual are included solely for illustrative purposes. Because of the many variables and requirements associated with any particular installation, Rockwell Automation, Inc. cannot assume responsibility or liability for actual use based on the examples and diagrams.
No patent liability is assumed by Rockwell Automation, Inc. with respect to use of information, circuits, equipment, or software described in this manual.
Reproduction of the contents of this manual, in whole or in part, without written permission of Rockwell Automation, Inc., is prohibited.
Throughout this manual, when necessary, we use notes to make you aware of safety considerations.
WARNING: Identifies information about practices or circumstances that can cause an explosion in a hazardous environment, which may lead to personal injury or death, property damage, or economic loss.
ATTENTION: Identifies information about practices or circumstances that can lead to personal injury or death, property damage, or economic loss. Attentions help you identify a hazard, avoid a hazard, and recognize the consequence.
IMPORTANT Identifies information that is critical for successful application and understanding of the product.
Labels may also be on or inside the equipment to provide specific precautions.
SHOCK HAZARD: Labels may be on or inside the equipment, for example, a drive or motor, to alert people that dangerous voltage may be present.
BURN HAZARD: Labels may be on or inside the equipment, for example, a drive or motor, to alert people that surfaces may reach dangerous temperatures.
ARC FLASH HAZARD: Labels may be on or inside the equipment, for example, a motor control center, to alert people to potential Arc Flash. Arc Flash will cause severe injury or death. Wear proper Personal Protective Equipment (PPE). Follow ALL Regulatory requirements for safe work practices and for Personal Protective Equipment (PPE).
2 Rockwell Automation Publication 2500-IN001F-EN-P - April 2021

Table of Contents

Preface
About This Publication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Download Firmware, AOP, EDS, and Other Files . . . . . . . . . . . . . . . . . . . . 7
Summary of Changes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Additional Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Chapter 1
System Overview ArcShield Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
IntelliCENTER Software. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
IntelliCENTER Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
IntelliCENTER Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Structure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Typical Column Construction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Technical Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Nameplate Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
MCC Column-number Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
ArcShield Labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Chapter 2
Receiving, Handling, and Storage Receiving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Handling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Chapter 3
Install Columns Location Planning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
ArcShield™ Clearance Space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Environment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Remove Packing Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Locate Bus Splice Kits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Removing the Covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Position the Motor Control Center . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Secure a Motor Control Center . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Securing Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Seal IP54 Enclosures Before Connection . . . . . . . . . . . . . . . . . . . . . . . 27
Secure Single Front, One Column-wide Shipping Blocks . . . . . . . . 27
Secure Single Front, Two Column-wide Shipping Blocks . . . . . . . . 28
Secure Double Front, One Column-wide Shipping Blocks. . . . . . . . 29
Secure Multiple Column-wide Shipping Blocks . . . . . . . . . . . . . . . . . 30
Join Columns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Join Back-to-back Columns in a Double Front Configuration . . . . 34
Join Side Columns in Single Front and Double Front
Applications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Seismic Capabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Rockwell Automation Publication 2500-IN001F-EN-P - April 2021 3
Splice the Power Bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Access the Power Bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Splicing The Power Bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Splice the Protective Earth (PE) Conductor. . . . . . . . . . . . . . . . . . . . . 46
Control and Network Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Torque Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Chapter 4
Install Cable Install ArcShield Protection After Wiring. . . . . . . . . . . . . . . . . . . . . . . . . . 49
Lugs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Incoming Line Lug Compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Main Disconnecting Means . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Cable Bracing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Secure Load Wires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Chapter 5
Door Latches, Operator Handles, and Unit Interlocks
Height Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Door Latches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Quarter-turn Door Latches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
ArcShield Door Latches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Rotary-operator Handles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Small Rotary-operator Handles (Cat. Nos. 140M-SB and
140M-SY) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Medium Rotary-operator Handles (Cat. Nos. 140U-PB and
140U-PY). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Large Rotary-operator Handles (Cat. Nos. 140U-HM4 and
140U-HM4E) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Unit Interlocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Chapter 6
Install and Remove Units Unit Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Withdrawable Units. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Components of Withdrawable Units with SecureConnect . . . . . . . 68
Withdrawable Unit Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Operating Positions for All Withdrawable Units . . . . . . . . . . . . . . . . 72
Safety Guidelines to Install and Remove All Withdrawable Units . . . . 75
Insert a Withdrawable Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Remove a Withdrawable Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Remove the Unit Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Multiple Module Unit Doors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
One Module Unit Doors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Chapter 7
Commissioning Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Pre-commissioning Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Commissioning Procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
4 Rockwell Automation Publication 2500-IN001F-EN-P - April 2021
Chapter 8
Maintenance Establish a Maintenance Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Suggested Maintenance Guidelines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Chapter 9
IntelliCENTER Options EtherNet/IP Motor Control Centers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Connection Count . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Cable Length Limitations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Cable Routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Add an MCC Unit to an EtherNet/IP System . . . . . . . . . . . . . . . . . . . 91
Ethernet Power Supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Connect Power Supplies–Remote or in the MCC Lineup . . . . . . . . . 92
Network Power Supply and the Protective Earth Circuit . . . . . . . . . 92
Connecting Two Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
System Design Installation Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . 93
EtherNet/IP Software Installation Checklist. . . . . . . . . . . . . . . . . . . . 93
DeviceNet Motor Control Centers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Preparing a DeviceNet System for Commission . . . . . . . . . . . . . . . . 94
Terminating Resistors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Joining DeviceNet Cables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
DeviceNet Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Connect Power Supplies–Remote or in the MCC Lineup . . . . . . . . . 96
Network Power Supply and the Protective Earth Circuit . . . . . . . . . 97
Connecting Two Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Electronic Data Sheets (EDS). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Where to Find EDS Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Installing EDS Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Finding EDS Files for Other Devices. . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Uploading EDS Files from the Device. . . . . . . . . . . . . . . . . . . . . . . . . . 99
Appendix A
Worksheets Sample MCC Layout Worksheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Appendix B
Cable Entry and Exit Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Rockwell Automation Publication 2500-IN001F-EN-P - April 2021 5
Notes:
6 Rockwell Automation Publication 2500-IN001F-EN-P - April 2021

Preface

About This Publication

Download Firmware, AOP, EDS, and Other Files

Summary of Changes

This publication provides procedures to the following:
• How to receive and handle a CENTERLINE® 2500 shipment.
• How to install the received columns.
• How to install cables.
• How to access internal components.
• How to install and remove units.
• How to start up (commission) a newly installed motor control center.
• How to maintain the motor control center.
Download firmware, associated files (such as AOP, EDS, and DTM), and access product release notes from the Product Compatibility and Download Center at
rok.auto/pcdc
.
This publication contains the following new or updated information. This list includes substantive updates only and is not intended to reflect all changes.
Topic Page
Replaced E1 Plus and E3 Plus with E100™ as an available electronic overload relay. 10 Added last sentence to Locate the Bus Splice Kits subsection. 23 Added step 4 to the Remove the Covers subsection. 24 Added the Important table to step 4 of the Position the Motor Control Center subsection. 25 Swapped dimensions between columns A and B in Figure 10. 26 Removed IP42 from the Seal IP54 Enclosures Before Connection title and added it to the Tip table. 27 Added the introductory sentence to the Join Columns section. 34 Added the Join Back-to-back Columns in a Double Front Configuration subsection. 34 Revised step 4 to include the cross-reference to more information. 35 Added Table 7 to the Splice Kit Contents subsection. 41 Added Important information about crowfoot socket wrenches recommended in Figures 20 and 21. 44, 45 Changed the Tip table to another Important table in the Lug section, and added the second sentence. 50 Reduced maximum torque from 4.5 to 4 Nm for M6 bolts in Table 9. 52 Added SecureConnect™ content to Withdrawable Units section. 67 Added Components of Withdrawable Units with SecureConnect subsection. 68 Added SecureConnect information to Operating Positions for All Withdrawable Units subsection. 72 Revised step 11 to check factory-set trip settings for application requirements. 81 Added sub-steps b and c to step 18. 81 Updated the website URL address and tool to estimate the EtherNet/IP connections for a network. 89
Rockwell Automation Publication 2500-IN001F-EN-P - April 2021 7

Additional Resources

These documents contain additional information concerning related products from Rockwell Automation.
Resource Description
Receiving, Handling, and Storing CENTERLINE® 2500 motor control centers, publication 2500-IN002
CENTERLINE 2500 EtherNet/IP™ Motor Control Centers, publication 2500-TD003 Provides information about EtherNet/IP MCCs.
EtherNet/IP Network Devices User Manual, ENET-UM006
Ethernet Reference Manual, ENET-RM002 CENTERLINE 2500 DeviceNet™ Motor Control Centers, publication 2500-TD002 Provides information about DeviceNet MCCs.
System Security Design Guidelines Reference Manual, SECURE-RM001
DeviceNet Media Design User Manual, publication DNET-UM072 IntelliCENTER® Software User Manual, publication MCC-UM002 Industrial Automation Wiring and Grounding Guidelines, publication 1770-4.1 Provides general guidelines for installing a Rockwell Automation™ industrial system. Safety Guidelines for the Application, Installation and Maintenance of
Solid-state Controls, publication SGI-1.1 Product Certifications website, rok.auto/certifications Provides declarations of conformity, certificates, and other certification details.
Provides information to receive, handle, and store CENTERLINE 2500 Motor Control Centers (MCCs).
Describes how to configure and use EtherNet/IP devices to communicate on the EtherNet/IP network.
Describes basic Ethernet concepts, infrastructure components, and infrastructure features.
Provides guidance on how to conduct security assessments, implement Rockwell Automation products in a secure system, harden the control system, manage user access, and dispose of equipment.
Provides information to design, install, and troubleshoot a DeviceNet cable system. Provides information to install and use IntelliCENTER software on CENTERLINE MCCs.
Provides general guidelines to install and maintain solid-state control components.
You can view or download publications at rok.auto/literature
.
8 Rockwell Automation Publication 2500-IN001F-EN-P - April 2021
Chapter 1
System Overview
CENTERLINE® 2500 motor control centers (MCCs) are designed for applications low-voltage motor tough required.
The CENTERLINE power bus structure distributes line power throughout the MCC via an isolated bus work structure. A standard, center-fed, 300 A vertical bus supplies power to units above and below the horizontal bus, which results in an effective 600 A capacity and unrestricted unit arrangement. An optional 600 A vertical bus provides an effective rating of 1200 A.
that must comply with international standards and practices for
control centers. The CENTERLINE 2500 MCC is ideal for
industrial applications where uptime and ease of maintenance is

ArcShield Rating The CENTERLINE MCC is also available with an ArcShield™ rating. This rating

includes arc-resistant features for enhanced protection if internal arcing faults happen.
With the standard safety features of the CENTERLINE 2500 MCC, the ArcShield option provides the following:
•Spring latches
• Reinforced structure
• Pressure relief vent system through the top of the enclosure
• Protection up 300 ms at 480V/65 kA
Table 1 - Conformity Ratings for CENTERLINE 2500 MCC with ArcShield
Value Description
Ratings: Ue lp arc tarc lpc arc
Protection
Requirements
480V 65 kA 300 ms 65 kA
Personal and assembly protection suitable for limited continued operation; assembly protection is limited to outgoing units tested for conditional current under arcing conditions.
Tested with third-party validation against the IEC/TR 61641 standard that defines tests under conditions of arcing due to internal fault. Comprehensive tests conducted under Edition 3.0, 2014-1 have passed the requirements for Class A (meets Criteria1…5) for the main bus and unit line side, and Class C (meets Criteria 1…7) for all unit load side tests.
An ArcShield label is provided on the MCC with information about the accessibility level and arc fault ratings. See Figure 8 on page 18
for an example
of this rating label and its location.
See Figure 4 on page 14
page 54
Rockwell Automation Publication 2500-IN001F-EN-P - April 2021 9
for ArcShield door latches.
for the location of ArcShield structure protection and
Chapter 1 System Overview
IntelliCENTER Software CENTERLINE 2500 MCCs with IntelliCENTER® software provide an
integrated hardware, software, and communication solution. Its preconfigured software provides real-time data, trending, component history, wiring diagrams, user manuals, and spare parts. IntelliCENTER offers plug and play setup, troubleshooting, hardware configuration changes without opening enclosure doors, and convenient change tracking. It also provides intelligent diagnostic and predictive failure information.
IntelliCENTER technology improves the intelligence of your MCC by using built-in networking to capture information used for predictive maintenance, process monitoring, and advanced diagnostics.
IntelliCENTER Features
• Built-in networking
- EtherNet/IP™ or DeviceNet™
- Media helps protected behind barriers
- Access ports in wireways
- Topology lets you add and remove devices without interrupting any other device on the network
• Intelligent motor controls
- PowerFlex® drives
- SMC™-3 and SMC-Flex soft starters
- E100™ and E300™ Electronic Overload Relays
• IntelliCENTER software
- Distributed I/O
- POINT I/O™ system/DSA
- Virtual MCC
- Parameter editor
- Status dashboards
- Documentation management
- Spare parts information
• Factory configuration
- IP address network media validation
- IP address node configuration
- Communication check
- Network commissioning

IntelliCENTER Software

IntelliCENTER MCCs can be provided with preconfigured IntelliCENTER software. This software views, manages, and configures multiple MCC lineups. The IntelliCENTER software communication driver lets the software be installed and operated on EtherNet/IP or DeviceNet. The IntelliCENTER software can function as a standalone software package or as an ActiveX control in a Human Machine Interface (HMI).
10 Rockwell Automation Publication 2500-IN001F-EN-P - April 2021
Chapter 1 System Overview

Structure CENTERLINE 2500 MCCs offer units with a full complement of AC drives, soft

starters, and other devices. Pluggable power connections on the back of the unit plug into the vertical bus. A mechanical interlock helps prevent the unit door from being opened while the main switch is in the ON/I position. An additional mechanical interlock helps prevent the unit from being withdrawn or inserted when the unit main switch is closed. Separate vertical wireways isolate control and network cables from power wiring. Units are available as fixed or withdrawable.
Figure 1 - CENTERLINE 2500 MCC
Dimensions
CENTERLINE 2500 MCCs columns are designed in widths between 500…1000 mm. Each column is 2300 mm high and either 600 mm or 800 mm deep. Double front in Figure 2
Unit size is described in terms of modules. Each module is approximately 80 mm high. Columns can accommodate 24 modules of different unit combinations.
Rockwell Automation Publication 2500-IN001F-EN-P - April 2021 11
columns are also available. For additional options, see the tables
.
Chapter 1 System Overview
Table 2 - Widths
Column
with Wireway
Column without
Wireway
Fixed or
Withdrawable
Unit Width
(1)
Vertical
Wireway
Width
(2)
Total
Column
Width
Fixed
Unit
Width
(3)
Total
Column
Width
500
200 700 500 500 300 800 600 600 400 900 700 700 500 1000 800 800
900 900
1000 1000
(1) Available from 1…24 modules. (2) Recommended minimum wireway widths
for the various forms of separation:
• For 3B, 300 mm wide
• For 4B Type 5, 400 mm wide
• For 4B Type 7, 500 mm wide
(3) Applies to a full column (24 modules).
Table 3 - Depth
Single-front Double Front
600 1200
800
(1)
(1) S ingle-front IP42 configurations with
a 3200 A bus (air circuit breaker units only) or 4000 A bus (all unit types) require a 100 mm air gap behind the column. In these instances, the overall depth is 900 mm.
1600
(2)
(2) Double front IP42 configurations
with a 3200 A bus (air circuit breaker units only) or 4000 A bus (all unit types) require a 400 mm air gap between the rear of the columns. In these instances, the overall depth is 2000 mm.
Table 4 - Thickness, Nominal
Description Measurement
Side plates (all depths) 2 Back plates (all widths) 2.5 Bottom mounting channel
(1)
(1) Front and rear.
3.5 Top plates (all widths) 2 Bottom plates 2 Horizontal wireway covers 2 Wireway doors 2 Doors
(2)
(2) 2 mm for 1…22 modules, 2.5 mm for 24 modules.
2, 2.5
ArcShield 480V doors
(3)
(3) 2.5 mm for 1…22 modules, 3 mm for 24 modules.
2.5, 3
Table 5 - Weight, kg
(1)
Column Depth
Column Width 600 mm 800 mm
600, 700 350 450 800 400 525 900 450 575 1000 500 650
(1) Weights that are shown are for an MCC column
with six units. Many factors (number of units, horizontal power bus, wireway width, column depth, and shipment packaging) affect the actual weight. The packing slip shipped with an MCC unit shows the exact shipping weights.
Table 6 - He ight
Dimension Measurement
Total unit height
• With top gland plate
• With ventilation hood
•With lift angle
• With lift angle on gland plate
2300 2306 2370 2375 2387
Available unit height 1980 Top horizontal wireway 170 Bottom horizontal wireway 115 External mounting channel 35
All measurements are in mm unless otherwise specified. 600 mm Deep Withdrawable Column with a 200 mm Wireway Shown.
170
1980
35
1
1
5
500…1000
600 or 800
2300
200…500
500
Figure 2 - Typical Column Dimensions
12 Rockwell Automation Publication 2500-IN001F-EN-P - April 2021
Chapter 1 System Overview
Lifting Angle
Network Wireway
Top Wireway End Plates
Left Side Plate
Center End Closing Plate
Bottom Wireway End Plates
Mounting Channels
Bottom Plates
Bottom Wireway Cover
Right Unit Support and Vertical Wireway Assembly
Vertical Wireway Door
Top Wireway Cover
Top Wireway Pan
Top Wireway Barrier
Top Plate
Optional ArcShield Center End Closing Plate Insulator
Horizontal Power Bus
Single Unit Support Pan

Typical Column Construction Columns are rigid, freestanding structures with heavy-duty, external

mounting channels. Columns are secured at the installation site by bolting through clearance holes in the mounting channel or by welding.
The standard for internal sheet metal parts is Z275 galvanized metal for Series D CENTERLINE 2500 motor control centers.
Figure 3 - Typical Column
Rockwell Automation Publication 2500-IN001F-EN-P - April 2021 13
Chapter 1 System Overview
Door Latch Brackets
See page 49
for more information.
Pressure Relief Plate
See page 21
for more information.
Detail A
Detail B
Detail C
A
B
C
Detail D
D
Center End Closing
Plate with Insulator
Only on end-of-lineup
columns.
See Figure 3 on page 13
for more details.
Frame-mounted Brackets
See page 49
for more
information.
Columns Installed in a Single-front Configuration Columns Installed in a double front Configuration
NOTE: Double front IP42 configurations with a 3200 A bus (air circuit breaker units only) or 4000 A bus (all unit types) require a 400 mm air gap between the rear of the columns.
NOTE: Single-front IP42 configurations with a 3200 A bus (air circuit breaker units only) or 4000 A bus (all unit types) require a 100 mm air gap behind the column.
Additional bracing is provided for ArcShield columns.
Figure 4 - ArcShield Column Protection Hardware
Figure 5 - Column Configuration
14 Rockwell Automation Publication 2500-IN001F-EN-P - April 2021
Chapter 1 System Overview

Technical Data This table provides the technical specifications for the 2500 MCC.

The following certifications (2500-CT0xx) can be found at the Rockwell Automation Literature Library: https://www.rockwellautomation.com/global/
literature-library/overview.page.
EN 60204-1:2006 + A1:2009 Safety of machinery – Electrical equipment of machines; Part 1: General requirements IEC 61439-1 Low-voltage switchgear and controlgear assemblies; Part 1: General requirements
Standards
EC Directives
Certifications and Markings
Rated Voltages
Rated Currents
Creepage Distances and Clearances
Bus Material and Plating
Degrees of Protection
Forms of Separation IEC 61439-2 Forms 2b, 3b, 4b, or 4b Type 7 Column Dimensions Height, width, and depth See page 12
Units
Structural Surface Treatments
Environment
(1) Up to 600 A top and bottom, effective 1200 A per column. (2) The average temperature over a 24-hour period must not exceed 35 °C.
IEC 61439-2 Low-voltage switchgear and controlgear assemblies; Part 2: Power switchgear and controlgear assemblies IEC/TR 61641 Ed. 3.0, 2014-1,
parts 1…7
Enclosed low-voltage switchgear and controlgear assemblies; Guide for testing under conditions of arcing due to
internal fault 2011/65/EU RoHS Directive 2004/108/EC EMC Directive 2006/95/EEC Low Voltage Directive ABS and ABS shipboard 2500-CT015
, 2500-CT016, and 2500-CT017 CE Conformance Marked 2500-CT008 and 2500-CT009 China Compulsory Certificate (CCC) 2500-CT010, 2500-CT011, 2500-CT012, 2500-CT013, and 2500-CT022 DEKRA 2500-CT018, 2500-CT019, 2500-CT020, and 2500-CT021 EAC MCC-CT001 SII Approval 2500-CT014 Rated operating voltage, U
Rated frequency, f
Rated insulation voltage, U
e
n
i
Continuous current rating, I
Short circuit peak withstand, I
Short time withstand rating, I
e
pk
cw
Up to 690V, 3-phase
50…60 Hz
1000V, 3-phase
Horizontal bus up to 4000 A; vertical bus up to 1200 A per column Horizontal bus up to 210 kA
Horizontal bus up to 100 kA for 1 second
(1)
Neutral (N) Full or half-rated Rated impulse withstand voltage, U
imp
6 kV, 8 kV, or 12 kV Material group (overvoltage category) IIIa (175 </= CTI < 400) Pollution degree 3 Horizontal power bus Copper (optional tin plating) Vertical distribution bus Copper with tin plating Protective earth conductor (PE) Copper (optional tin plating)
IEC 60529 IP20, IP42, or IP54
Module size (approx) 80 mm high x 500 mm wide = 1 module Modules per column, max 24 of varied unit combinations Withdrawable unit sizes 1, 2, 4, 6, 8, 10, and 12 modules Interior Z275 galvanized metal (painted interior available as custom option) Exterior RAL 7032 Pebble Grey paint (additional colors available by request) Storage temperature -25…+55 °C
Operating (ambient) temperature
-5…+40 °C
(2)
with up to 95% noncondensing humidity
Altitude Up to 1000 m without derating: derating over 1000 m
Rockwell Automation Publication 2500-IN001F-EN-P - April 2021 15
Chapter 1 System Overview
Catalog Number/Serial Number
Power Bus Voltage and Current Rating
Enclosure Type
Series Letter
Identifies Column Sequence Numbering
Catalog Number/Serial Number Unit LocationDevice Type and Rating
Voltage Rating
Order Number

Nameplate Data In compliance with EN 61439-1, each CENTERLINE 2500 MCC column is

supplied with a nameplate on the enclosure or vertical wireway door.
Figure 6 - Column Nameplate
Each unit also has an identification label. On withdrawable units, the unit identification label is on the interior of the bottom plate of the unit. On fixed units, the unit identification label is on the interior right side plate.

MCC Column-number Sequence

Figure 7 - Unit Identification Label
The catalog number or serial number and series letter are required to identify the equipment properly to sales or factory personnel.
IMPORTANT
CENTERLINE 2500 MCCs are designed to function in any column-number sequence. However, we recommend that columns be installed in sequential order.
Each CENTERLINE 2500 MCC column nameplate identifies column-number sequence, for example, MCC column 1 of 1 or 1 of 5. See Figure 6
for where to
find column-number sequence information.
Columns are numbered to match factory-supplied MCC elevation drawings and to identify MCC columns and units easily. If there are questions about column numbering during field installation, inspection, or operation, the following instructions can provide guidance.
IMPORTANT
Leftmost column must be installed in the proper location for the bus to splice. (Both ends of double-front MCCs must be installed as ends for splicing.)
16 Rockwell Automation Publication 2500-IN001F-EN-P - April 2021
Chapter 1 System Overview
The most important criteria for additions of columns to existing MCCs is matching the horizontal bus, enclosure type, and network capabilities for the complete MCC line up. The voltage, current rating, short circuit withstand, and IP rating for all columns must be consistent.

ArcShield Labels MCC columns with arc proof assembly have a rating label (Detail E in Figure 8

on page 18) below the nameplate. There are also labels on other parts that must
be in place before operating an MCC with ArcShield; see Figure 8 on page 18
At the end of a lineup, CENTERLINE 2500 MCCs with ArcShield have a back­corner baffle and insulation on the center side closing-plate; see Figure 4 on
page 14 for more details. They also have external vertical support angles at each
end of the lineup.
.
Rockwell Automation Publication 2500-IN001F-EN-P - April 2021 17
Chapter 1
C
E
A
B
Top View
Front View – Frame Mount Front View – Withdrawable
E
NOTE: All labels are external except for ‘E.’
A
B
C
D
F
C
DD
F
F
DD
E
Figure 8 - ArcShield Label Locations
18 Rockwell Automation Publication 2500-IN001F-EN-P - April 2021
Chapter 2
Receiving, Handling, and Storage
See Receiving, Handling, and Storing CENTERLINE® 2500 Motor Control Centers Instructions, publication 2500-IN002 This publication is shipped with each MCC, attached to the outside of the MCC within the layer of clear polyethylene encasement (polywrap).
ATTENTION: MCCs are top and front heavy. To avoid personal injury or structural damage, lift or move the MCC by only the methods that are outlined in Receiving, Handling, and Storing CENTERLINE 2500 Motor Control Centers, publication 2500-IN002
.

Receiving CENTERLINE 2500 MCCs are shipped upright as one or two column shipping

blocks or two or four double front column shipping blocks. Each CENTERLINE 2500 MCC shipping block is provided with a lifting angle. Each column in a shipping block is bolted to the shipping skid with removable shipping angles and covered with clear plastic wrap. Protection is for upright shipping and is not waterproof or water-resistant. Equipment that extends from the structures is also protected.
, for additional instructions.
Heavy-duty export packaging is similar to standard packaging, but uses a polywrap suitable for occasional water spray. In addition, wood framing and sheeting surround the columns. The heavy-duty export packaging is not water-resistant, waterproof, or intended for long-term storage.
Upon delivery of the MCC, see the packing slip shipped with your MCC for sizes and exact shipping weights. Inspect the shipment for lost or damaged items. If lost or damaged items are detected, see the steps that are described in publication 2500-IN002
.

Handling The following are acceptable methods of handling MCC columns within the

receiving facility. These methods are described in publication 2500-IN002
• Use of a forklift
• Overhead lifting (crane or hoist)
• Sling lifting
MCC columns must be handled in the upright vertical position. Failure to comply with this method can lead to busbar, unit, and enclosure damage.
.
Rockwell Automation Publication 2500-IN001F-EN-P - April 2021 19
Chapter 2
The MCC must remain bolted to the shipping skid until delivered to its final installation area.
ATTENTION: MCCs are top and front heavy. To avoid personal injury or structural damage, never attempt to lift or move the MCC by any means other than the methods outlined in Receiving, Handling, and Storing CENTERLINE 2500 Motor Control Centers, publication 2500-IN002
.

Storage Store CENTERLINE 2500 MCCs, units, and related equipment in

environment with ambient temperatures ranging from -25…+55 °C For short periods (less than 24 hours), temperatures of up to 70 °C (158 °F) are allowed. Take care to help prevent damage from exposure to excessive humidity, vibration, and shock.
Store MCCs with the plastic covering in place to help prevent dirt and dust from entering the structure. Check periodically for condensation build-up and, if necessary, install space heaters. To order space heaters, Rockwell Automation representative
.
contact your
a clean, dry
(-13…+131 °F).
20 Rockwell Automation Publication 2500-IN001F-EN-P - April 2021
Chapter 3
300 mm Minimum Clearance
ArcShield pressure relief plate on top of column.
Install Columns

Location Planning When you plan the location for your CENTERLINE® 2500 MCC, consider the

following:
• Cable entry and exit points (see Appendix B on page 105
•Busways
• Overall height of installation area
• Alignment with other equipment
• Future needs
• Environment
The area must be level and the environment must be compatible with the degree of protection that is provided by the enclosure.
)
ArcShield™ Clearance Space
Provide a minimum 300 mm of clearance space above the MCC to vent the pressure relief plates if there is an arc flash.
ATTENTION: Do not step on the pressure relief plate, which can cause it not to work properly during arc flash.
Rockwell Automation Publication 2500-IN001F-EN-P - April 2021 21
Chapter 3 Install Columns
Environment
CENTERLINE 2500 MCCs are designed to operate under the service conditions described in IEC 61439-1. Variations in temperature and relative humidity can potentially cause occasional condensation.
Temperature
When you operate an MCC, ambient air temperature must remain in the range of -5…+40 °C (23…104 °F). The average temperature over a 24-hour period must not exceed 35 °C (95 °F).
Humidity
Noncondensing humidity is permissible up to 95% at the maximum temperature of 40 °C (104 °F), with the average temperature not to exceed (95 °F)
over a 24-hour period
.
Altitude
35 °C
The CENTERLINE 2500 MCC is designed to operate at installation sites at altitudes up to 1000 m (3281 ft) above sea level without derating. If the altitude at your installation site exceeds 1000 m (3281 ft) above sea level, contact your Rockwell Automation® representative for derating information.
Pollution Degree
CENTERLINE 2500 MCCs are designed for use in a pollution degree 3 environment. IEC 61439-1 defines pollution degree 3 as, “conductive pollution occurs or dry, non-conductive pollution occurs that become conductive due to condensation.”

Remove Packing Materials When the MCC has been delivered to the site of installation, remove the

packaging material. Save any manuals and data sheets for future reference.
ATTENTION: To avoid personal injury, use caution when the motor control center is not secured. Motor control centers are top and front heavy.
22 Rockwell Automation Publication 2500-IN001F-EN-P - April 2021
Chapter 3 Install Columns
Shipping Angle (four places)
Packing Box Brackets (four places)
Detail A
Detail B
B
A
1. Remove the packing box around the horizontal bus if present and remove the four brackets as shown (Detail A).
Locate Bus Splice Kits
A fluorescent pink, removable label (on the outside of the column) designates where provided power bus splice kits are stored. PE splice kits are in the bottom horizontal wireway, which is fastened to the horizontal PE conductor.
Locate the splice kits and set aside for later use. For the splice kit contents, see
Table 7 on page 41
2. Remove the bolts that secure each shipping angle (Detail B) from the shipping skid.
ATTENTION:
Once the bolts are removed from the shipping angles, the
MCC is no longer secured on the skid.
3. Remove the shipping angles from the MCC. You can now remove the MCC from the shipping skid.
.
Rockwell Automation Publication 2500-IN001F-EN-P - April 2021 23
Chapter 3 Install Columns
T
o
p
E
n
d
C
l
o
s
i
n
g
P
l
a
t
e
s
B
o
tt
o
m
H
o
r
i
z
o
n
t
a
l
W
i
r
e
w
a
y
C
o
v
e
r
s
C
e
n
t
e
r
E
n
d
C
l
o
s
i
n
g
P
l
a
t
e
I
n
s
u
l
a
t
o
r
(
o
p
t
i
o
n
a
l
)
B
o
t
t
o
m
E
n
d
C
l
o
s
i
n
g
P
l
a
t
e
s
C
e
n
t
e
r
E
n
d
C
l
o
s
i
n
g
P
l
a
t
e
s
T
o
p
H
o
r
i
z
o
n
t
a
l
W
i
r
e
w
a
y
C
o
v
e
r
s
Removing the Covers
Follow these procedures for removing the covers on the MCC.
1. Remove the top and bottom horizontal wireway covers from the MCC.
2. If present, remove the top, bottom, and center end closing plates, on the sides of the two columns that are to be joined.
Figure 9 - Wireway Covers and Closing Plates to Remove From the MCC
3. If ArcShield is present, remove the center end closing plate insulators.
IMPORTANT
When you plan MCC cable routing, consider cable replacement in your plans.
For more information about cable installation, see Chapter 4 on page 49
4. For double front applications, remove the backplate of each MCC column before you begin to position them.
IMPORTANT Save the M6 hardware removed from the backplate. It is used in
Join Back-to-back Columns in a Double Front Configuration page 34.
24 Rockwell Automation Publication 2500-IN001F-EN-P - April 2021
.
on
Position the Motor Control Center
The Horizontal Power Bus on Each Sequential
Column Extends Past the Column
Leftmost Column
Follow these procedures to position your MCC.
Chapter 3 Install Columns
IMPORTANT
Certain IP42 configurations require column air gaps. For more information, see Figure 5 on page 14
.
1. Documentation packages that are shipped with assembled MCCs include an MCC elevation drawing of a floor plan layout. Locate and use this floor plan layout to position your MCC columns.
2. Identify the leftmost column.
The horizontal power bus does not extend past the leftmost MCC column. For sequential columns, the horizontal power bus extends past the MCC.

Secure a Motor Control Center

3. Position the MCC in the location where it is to be installed.
IMPORTANT
The floor surface must be level.
4. Depending on the installation site, begin with the leftmost or right-most column and install one shipping block at a time.
ATTENTION: For MCC handling guidelines, see Receiving, Handling, and Storing CENTERLINE 2500 Motor Control Centers Instructions, publication
2500-IN002, which is provided with shipped MCC units. Use these
guidelines to help avoid personal injury and equipment damage during handling, and to facilitate moving the MCC at the installation site.
Documentation packages that are shipped with assembled MCCs include an MCC elevation drawing of a floor plan layout. To secure a column to the foundation, see the provided floor plan layout and the following procedures.
See Chapter 4
IMPORTANT
for cable and conduit routing instructions.
Certain IP42 configurations require column air gaps. For more information, see Figure 5 on page 14.
Securing Methods
MCC columns or shipping blocks can be bolted or welded to a foundation. Two mounting channels on the bottom of each MCC column are used for either securing method.
Rockwell Automation Publication 2500-IN001F-EN-P - April 2021 25
Chapter 3 Install Columns
A
B
68
35
Mounting bolt holes (4), 18 mm dia.
Mounting bolt holes (4), 18 mm dia.
A
B
Front of Co lumn
C
D
C
D
68
35
Standard Mounting Channels (2 installed per column) Optional Mounting Frame (1 per column)
NOTE: Neither mounting method is flush with any side of the MCC column.
Weld Down Method
See Figure 12 on page 32 to weld an MCC column or shipping block to a foundation.
Bolt Down Method
Two mounting channels are provided for each MCC column. An optional mounting frame is also available. Both mounting methods can be fastened with up to four steel M12 bolts (minimum Property Class 8.8). For best results, pre-locate and embed the bolts in the foundation before you install each MCC column. For more information about mounting bolt locations, see page 27 through page 29
Figure 10 - Mounting Channel Dimensions and Bolt Locations
.
All dimensions are mm.
MCC Column
Width
(1)
500
600 461 597 800 712 782 700 561 697 800 661 797 900 761 897
1000 861 997
(1) Available only with the optional welded frame.
A B
361 497 600 512 582
MCC Column
Depth
C D
26 Rockwell Automation Publication 2500-IN001F-EN-P - April 2021
Chapter 3 Install Columns
3 mm wide continuous bead of caulk sealer around outside edge
of the sideplate being joined. IMPORTANT: Do not allow ‘skin’ to form on the caulk before you join the sections.
Seal IP54 Enclosures Before Connection
The following steps do not apply to IP20 and IP42 enclosures.
1. Remove the tube of caulk (mastic) sealer from the splice kit and read the appl
ication directions on the tube.
2. Cut the nozzle at the first notch, 3 mm from the end.
3. Apply a continuous bead of caulk, 3 mm wide, around the outside edge the sid
eplate of the fixed motor control center.
of
Slide the columns together.
4. Verify that the ca
IMPORTANT
binets are level and joining holes are aligned.
If you removed the lifting angle from the IP54 enclosure, then you must also seal the lifting angle bolt holes with the caulk sealer.
Secure Single Front, One Column-wide Shipping Blocks
The following instructions are to bolt down the MCC. See Figure 12 on page 32 for weld down requirements.
IMPORTANT
1. To locate the front mounting channel, remove the bottom wireway cover. See Figure 3 on page 13
2. Secure the front of the MCC to the foundation with the mounti dimensi requirements on page
3. Reinstall the bottom wireway cover.
4.
To locate the rear mounting channel, remove the bottom wireway end plate near the back of the loc
ation.
Verify that there is adequate clearance on the sides of columns to access the rear mounting bolt locations.
Use steel M12 bolts (minimum Property Class 8.8) to secure columns to the foundation.
for cover location.
ng
ons in the following illustration and the mo
.
26
unit. See Figure 3 on page 13
unting channel
for end plate
Rockwell Automation Publication 2500-IN001F-EN-P - April 2021 27
Chapter 3 Install Columns
500…1000
360…860
70
442…942
44
512…712
600…800
438…638
29
81
FRONT
REAR
Dimensions are in mm. Diagram shows top view of 600 mm and 800 mm column depths.
A
B
Protective earth (PE) conductor
5. Secure the rear of the MCC to the foundation with the mounting dimensions in the following illustration and the mounting channel requirements on page 26
.
6. Reinstall the bottom wireway end plate.
Input Power,
A
Up to 1600 6 234 3200 18 222 2000…2500 12 228 4000 24 216
Material
Thickness, mm
A B A B
Distance,
mm
Input Power,
A
Material
Thickness, mm
Distance,
mm
Secure Single Front, Two Column-wide Shipping Blocks
The following instructions are to bolt down the MCC. See Figure 12 on page 32 for weld down requirements.
IMPORTANT
Verify that there is adequate clearance on the exposed sides of columns to access the rear mounting bolt locations.
Use steel M12 bolts (minimum Property Class 8.8) to secure columns to the foundation. Not all bolt locations are used.
1. To locate the front mounting channel, remove the bottom wireway cover. See Figure 3 on page 13
2. Secure the front of the MCC to the foundation with the mounting
for cover location.
dimensions in the following illustration and the mounting channel requirements on page 26
3. Reinstall the bottom wireway cover.
.
4. To locate the rear mounting channel, remove the bottom wireway end plate near the back of the unit. See Figure 3 on page 13
for end plate
location.
28 Rockwell Automation Publication 2500-IN001F-EN-P - April 2021
Chapter 3 Install Columns
1000…2000
442…942
58
A
B
360…860
44
512…712
600…800
438…638
70
81
29
Protective earth (PE) conductor
FRONT
REAR
442…942
First Column
= Mounting hole location not required.
Dimensions are in mm. Diagram shows top view of 600 mm and 800 mm column depths.
5. Secure the rear of the MCC to the foundation with the mounting dimensions in the following illustration and the mounting channel requirements on page 26
.
6. Reinstall the bottom wireway end plate.
Input Power,
A
Up to 1600 6 234 3200 18 222 2000…2500 12 228 4000 24 216
Material
Thickness, mm
A B A B
Distance,
mm
Input Power,
A
Material
Thickness, mm
Distance,
mm
Secure Double Front, One Column-wide Shipping Blocks
The following instructions are to bolt down the MCC. See Figure 12 on page 32 for weld down requirements.
IMPORTANT
1. To locate the front mounting channel, remove the bottom wireway cover. See Figure 3 on page 13
2. Secure the front of the MCC to the foundation according to the dimensions in the following illustration and the mounting channel requirements on page 26
3. Reinstall the bottom wireway cover.
Use steel M12 bolts (minimum Property Class 8.8) to secure columns to the foundation. Not all bolt locations are used.
for cover location.
.
Rockwell Automation Publication 2500-IN001F-EN-P - April 2021 29
Chapter 3 Install Columns
500…1000
360…860
70
A
B
442…942
1196
438…638
29
81
438…638
A
B
FRONT OF UNIT 2
FRONT OF UNIT 1
Protective Earth (PE) Conductor
Protective Earth (PE) Conductor
Dimensions are in mm. Diagram shows top view of 600 mm column depths.
158
= Mounting hole location not required.
4. Repeat step 1 through step 3 for the other side of the double front shipping block.
Input Power,
A
Up to 1600 6 234 3200 18 222 2000…2500 12 228 4000 24 216
Material
Thickness, mm
A B A B
Secure Multiple Column-wide Shipping Blocks
Distance,
mm
Input Power,
A
Material
Thickness, mm
Distance,
mm
Figure 11 and Figure 12 are to bolt down a multiple-column shipping block. For
weld down requirements, see Figure 13 on page 33
IMPORTANT
Verify that there is adequate clearance on the exposed sides of
.
columns to access the rear mounting bolt locations. Use steel M12 bolts (minimum Property Class 8.8) to secure columns
to the foundation. Not all bolt locations are used.
30 Rockwell Automation Publication 2500-IN001F-EN-P - April 2021
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