Schneider Electric Compact NSX User Manual
CompactNSX
DOCA0140EN-01 01/2020
Compact NSX
Circuit Breakers and Switch-Disconnectors 100630 A
User Guide
01/2020
DOCA0140EN-01
www.se.com
The information provided in this documentation contains general descriptions and/or technical character
istics of the performance of the products contained herein. This documentation is not intended as a
substitute for and is not to be used for determining suitability or reliability of these products for specific user
applications. It is the duty of any such user or integrator to perform the appropriate and complete risk
analysis, evaluation and testing of the products with respect to the relevant specific application or use
thereof. Neither Schneider Electric nor any of its affiliates or subsidiaries shall be responsible or liable for
misuse of the information contained herein. If you have any suggestions for improvements or amendments
or have found errors in this publication, please notify us.
You agree not to reproduce, other than for your own personal, noncommercial use, all or part of this
document on any medium whatsoever without permission of Schneider Electric, given in writing. You also
agree not to establish any hypertext links to this document or its content. Schneider Electric does not grant
any right or license for the personal and noncommercial use of the document or its content, except for a
non-exclusive license to consult it on an "as is" basis, at your own risk. All other rights are reserved.
All pertinent state, regional, and local safety regulations must be observed when installing and using this
product. For reasons of safety and to help ensure compliance with documented system data, only the
manufacturer should perform repairs to components.
When devices are used for applications with technical safety requirements, the relevant instructions must
be followed.
Failure to use Schneider Electric software or approved software with our hardware products may result in
injury, harm, or improper operating results.
Failure to observe this information can result in injury or equipment damage.
© 2020 Schneider Electric. All rights reserved.
-
2 DOCA0140EN-01 01/2020
Table of Contents
Safety Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
About the Book . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Chapter 1 Compact NSX Circuit Breakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1.1 Compact NSX Circuit Breaker Presentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Compact NSX Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating the Circuit Breaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
EcoStruxure Power Commission Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
De-Energizing the Circuit Breaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Environmental Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2 Circuit Breaker With Toggle Handle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Face Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Opening, Closing, and Resetting the Circuit Breaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Testing the Circuit Breaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Locking the Circuit Breaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3 Circuit Breaker With Rotary Handle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Face Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Opening, Closing, and Resetting the Circuit Breaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Testing a Circuit Breaker With Direct Rotary Handle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Locking a Circuit Breaker With Direct Rotary Handle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Testing a Circuit Breaker With Extended Rotary Handle. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Locking a Circuit Breaker With Extended Rotary Handle . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.4 Motor-Operated Circuit Breakers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Face Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Opening, Closing, and Resetting a Circuit Breaker With Motor Mechanism . . . . . . . . . . . . .
Opening, Closing, and Resetting Circuit Breakers With Communicating Motor Mechanism.
Locking the Circuit Breaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chapter 2 Compact NSX Installation Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Plug-in Circuit Breaker. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Withdrawable Circuit Breaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chapter 3 Compact NSX Electrical Auxiliary Devices . . . . . . . . . . . . . . . . . . . . . . . . . 65
Electrical Auxiliary Device Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Indication Contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SDx Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SDTAM Module (Micrologic 2 M and 6 E-M). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BSCM Breaker Status Control Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
NSX Cord . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Insulated NSX Cord. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control Auxiliaries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chapter 4 Compact NSX Trip Units. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
4.1 Fault Currents and Trip Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fault Currents in Electrical Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Protection Against Overcurrents in Electrical Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . .
Protection Against Ground Faults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Protection for Motor-Feeders. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10
11
17
19
20
22
24
25
26
28
29
31
32
34
36
37
40
42
44
45
47
50
51
54
58
64
66
70
71
74
76
79
81
83
86
87
88
89
91
93
DOCA0140EN-01 01/2020 3
4.2 TM-D, TM-G Thermal-Magnetic and MA Magnetic Trip Units . . . . . . . . . . . . . . . . . . . . . . . .
Thermal-Magnetic Trip Unit Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TM-D Thermal-Magnetic Trip Unit for 1P and 2P Circuit Breakers . . . . . . . . . . . . . . . . . . . .
TM-D Thermal-Magnetic Trip Unit for 3P and 4P Circuit Breakers up to 63 A. . . . . . . . . . . .
TM-D Thermal-Magnetic Trip Unit for 3P and 4P Circuit Breakers from 80 A to 250 A . . . .
TM-G Thermal-Magnetic Trip Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MA Magnetic Trip Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.3 Vigi Earth-Leakage Protection Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vigi Earth-Leakage Protection Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.4 Micrologic Electronic Trip Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Characteristics of Micrologic Electronic Trip Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Micrologic 2 Electronic Trip Units. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Micrologic 4 Electronic Trip Units. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Micrologic 1.3 M Electronic Trip Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Micrologic 2 M Electronic Trip Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Micrologic 2 G Electronic Trip Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Micrologic 2 AB and 4 AB Electronic Trip Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chapter 5 Maintenance Interfaces for Micrologic Trip Units . . . . . . . . . . . . . . . . . . . . . 137
Micrologic Maintenance Interfaces. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pocket Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stand-Alone USB Maintenance Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
USB Maintenance Interface Connected to a PC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chapter 6 Compact NSX Circuit Breakers Operation . . . . . . . . . . . . . . . . . . . . . . . . . 147
Commissioning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintaining the Circuit Breaker During Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Responding to a Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appendices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appendix A Wiring Diagrams. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Fixed Circuit Breakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Plug-in / Withdrawable Circuit Breakers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Motor Mechanism. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SDx Module With Micrologic 2, 4, 5, 6, and 7 Trip Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SDTAM Module With Micrologic M . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appendix B Additional Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Compact NSX100-250 - Distribution Protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Compact NSX100-250 - Motor-Feeder Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Compact NSX400-630 - Distribution Protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Compact NSX400-630 - Motor-Feeder Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Compact NSX100-630 - Reflex Tripping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Compact NSX100-630 - Limitation Curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
96
97
99
100
101
104
106
108
108
111
112
118
122
127
129
132
134
138
139
141
144
148
153
155
157
159
162
165
170
172
174
178
184
185
186
187
188
191
4 DOCA0140EN-01 01/2020
Safety Information
Important Information
NOTICE
Read these instructions carefully, and look at the equipment to become familiar with the device before
trying to install, operate, service, or maintain it. The following special messages may appear throughout
this documentation or on the equipment to warn of potential hazards or to call attention to information that
clarifies or simplifies a procedure.
PLEASE NOTE
Electrical equipment should be installed, operated, serviced, and maintained only by qualified personnel.
No responsibility is assumed by Schneider Electric for any consequences arising out of the use of this
material.
A qualified person is one who has skills and knowledge related to the construction and operation of
electrical equipment and its installation, and has received safety training to recognize and avoid the
hazards involved.
DOCA0140EN-01 01/2020 5
CYBERSECURITY SAFETY NOTICE
POTENTIAL COMPROMISE OF SYSTEM AVAILABILITY, INTEGRITY, AND CONFIDENTIALITY
Change default passwords at first use to help prevent unauthorized access to device settings,
controls, and information.
Disable unused ports/services and default accounts to help minimize pathways for malicious
attackers.
Place networked devices behind multiple layers of cyber defenses (such as firewalls, network
segmentation, and network intrusion detection and protection).
Use cybersecurity best practices (for example, least privilege, separation of duties) to help prevent
unauthorized exposure, loss, modification of data and logs, or interruption of services.
Failure to follow these instructions can result in death, serious injury, or equipment damage.
WARNING
6 DOCA0140EN-01 01/2020
At a Glance
Document Scope
Validity Note
Related Documents
About the Book
The aim of this guide is to provide users, installers and maintenance personnel with the technical
information needed to operate Compact NSX circuit breakers and switch-disconnectors in compliance with
the IEC/EN standards.
This guide applies to Compact NSX circuit breakers and switch-disconnectors.
The information contained in this guide is likely to be updated at any time. Schneider Electric strongly
recommends that you have the most recent and up-to-date version available on
electric.com
Title of Documentation Reference Number
Compact NSX & NSXm Catalogue LVPED217032EN
Compact NSX Micrologic 5/6/7 Electronic Trip Units - User Guide DOCA0141EN
Compact NSX - Modbus Communication Guide DOCA0091EN
Enerlin'X IO - Input/Output Application Module for One IEC Circuit
Breaker - User Guide
Enerlin'X IFE - Ethernet Interface for One IEC Circuit Breaker - User
Guide
ULP System (IEC Standard) - User Guide DOCA0093EN
.
DOCA0141ES
DOCA0141FR
DOCA0141ZH
DOCA0091ES
DOCA0091FR
DOCA0091ZH
DOCA0055EN
DOCA0055ES
DOCA0055FR
DOCA0055ZH
DOCA0084EN
DOCA0084ES
DOCA0084FR
DOCA0084ZH
DOCA0093ES
DOCA0093FR
DOCA0093ZH
www.schneider-
You can download these technical publications and other technical information from our website at
https://www.se.com/ww/en/download/ .
Trademark Notice
All trademarks are owned by Schneider Electric Industries SAS or its affiliated companies.
DOCA0140EN-01 01/2020 7
8 DOCA0140EN-01 01/2020
CompactNSX
Compact NSX Circuit Breakers
DOCA0140EN-01 01/2020
Compact NSX Circuit Break ers
Chapter 1
Compact NSX Circuit Breakers
What Is in This Chapter?
This chapter contains the following sections:
Section Topic Page
1.1 Compact NSX Circuit Breaker Presentation 10
1.2 Circuit Breaker With Toggle Handle 24
1.3 Circuit Breaker With Rotary Handle 31
1.4 Motor-Operated Circuit Breakers 44
DOCA0140EN-01 01/2020 9
Compact NSX Circuit Breakers
CompactNSX Circuit Breaker Presentation
Section 1.1
Compact NSX Circuit Breaker Presentation
What Is in This Section?
This section contains the following topics:
Compact NSX Range 11
Operating the Circuit Breaker 17
EcoStruxure Power Commission Software 19
De-Energizing the Circuit Breaker 20
Environmental Conditions 22
Topic Page
10
DOCA0140EN-01 01/2020
Compact NSX Range
Description
The Compact NSX alternating current (AC) range consists of
Circuit breakers and switch-disconnectors operating on alternating current:
1-pole circuit breakers from 16 to 250 A, up to 240 Vac
2-pole circuit breakers from 16 to 160 A, up to 690 Vac
3 and 4-pole circuit breakers and switch-disconnectors from 16 to 630 A, up to 690 Vac
A set of standard accessories and auxiliaries shared with the Compact NSX DC range
The Compact NSX range covers the following applications:
Electrical distribution protection
Special protection for receivers (for example, motors, transformers) or generators
The Compact NSX range is compliant with the following standards:
IEC/EN 60947-2 for circuit breakers
IEC/EN 60947-3 for switch-disconnectors
IEC/EN 60947-2 and IEC/EN 60947-4-1 for motor protection circuit breakers
UL 60947-4-1 for motor protection circuit breakers
CSA-C22.2 No.60947-4-1-14 for motor protection circuit breakers
Convention
In this guide, the term
circuit breaker
Compact NSX Circuit Breakers
covers circuit breakers and switch-disconnectors.
DOCA0140EN-01 01/2020 11
Compact NSX Circuit Breakers
Fixed Circuit Breaker
12
A Sealable terminal shields
B Interphase barriers
C BSCM module
D Indication contact
E Voltage release
F SDTAM module
G SDx module
H NSX cord
I Motor mechanism
J Extended rotary handle
K Direct rotary handle
L Terminal extensions
M Rear connectors
N Cable connectors
O One-piece spreader
P Toggle handle
DOCA0140EN-01 01/2020
Withdrawable or Plug-in Circuit Breaker
Compact NSX Circuit Breakers
A Sealable long terminal shields for plug-in base
B Interphase barriers
C Automatic withdrawable auxiliary connector
D Manual auxiliary connector
E Chassis side plate for withdrawable circuit breaker
F Power connections
G Power connections for circuit breaker with Vigi module
H Circuit-breaker side plate
I Circuit-breaker plug-in base
J Lugs
K Rear connectors
L Terminal extensions
M Cable connectors
N Rear connectors
O Adapter
DOCA0140EN-01 01/2020 13
Compact NSX Circuit Breakers
Trip Units and Trip Unit Accessories
14
A TM-D, TM-G, or MA trip unit
B Micrologic 1 or 2 trip unit
C Micrologic 5 or 6 trip unit
D Vigi module for additional earth-leakage
protection
E Micrologic 4 trip unit with earth-leakage
protection
F Micrologic 7 trip unit with earth-leakage
protection
DOCA0140EN-01 01/2020
Identification
Compact NSX Circuit Breakers
The faceplate on the front of the circuit breaker identifies the circuit breaker and its characteristics.
The faceplate depends on the breaking performances:
Dial Settings
A Device size and rated current
B Ui: rated insulation voltage
C Uimp: rated impulse withstand voltage
D Ics: rated service short-circuit breaking capacity
E Icu: rated ultimate short-circuit breaking capacity
F Ue: rated operational voltage
G Type of device: circuit breaker or switch-disconnector, suitable for isolation
H Standards
I Color code indicating breaking performance
NOTE: R, HB1, and HB2 breaking performances are not compatible with Micrologic 4 and 7 trip units.
NOTE: For extended rotary handles, open the door to view the faceplate label.
The dial positions on the front of the trip unit set the circuit breaker pickup settings.
Example 1: TM-D thermal-magnetic trip unit
A Setting range for TM-D
thermal-magnetic trip unit
B Adjustment dial for the
thermal protection pickup Ir
C Adjustment dial for the
magnetic protection pickup
Im (for TM-D 200/250 only)
DOCA0140EN-01 01/2020 15
Compact NSX Circuit Breakers
Example 2: Micrologic 2 and Micrologic 4 electronic trip units
Trip Unit Settings
For Micrologic 5, 6, and 7 electronic trip units, read all settings on the display unit. For more information,
refer to
A Trip unit adjustment range
B Adjustment dials for the
long-time protection pickup
Io and Ir
C Adjustment dial for the
short-time protection pickup
Isd
D Adjustment dial for the
earth-leakage current
pickup IΔn
E Adjustment dial for the
earth-leakage time delay Δt
DOCA0141EN, Compact NSX Micrologic 5/6/7 Electronic Trip Units - User Guide
.
16
DOCA0140EN-01 01/2020
Compact NSX Circuit Breakers
Operating the Circuit Breaker
Circuit Breaker Operating Control Accessories
The following table shows the operating control accessories compatible with the Compact NSX circuit
breakers. For more information, refer to
Operating control accessory NSX100 NSX160 NSX250 NSX400 NSX630
1P 2P 3P/4P 1P 2P 3P/4P 1P 2P 3P/4P 3P/4P 3P/4P
Toggle handle ✔ ✔ ✔ ✔ ✔ ✔ ✔ – ✔ ✔ ✔
Rotary handle – – ✔ – – ✔ – – ✔ ✔ ✔
Motor mechanism – – ✔ – – ✔ – – ✔ ✔ ✔
Communicating motor
mechanism
––✔ ––✔ ––✔ ✔ ✔
Handle Position
The handle position indicates the state of the circuit breaker:
Toggle handle Rotary handle Motor mechanism
Compact NSX & NSXm Catalogue
.
I (ON): Circuit breaker closed.
Closed manually.
O (OFF): Circuit breaker open.
Opened manually.
Trip or Tripped: Circuit breaker tripped.
Tripped by the protection (trip unit or trip auxiliaries), the push-to-trip button, or the
USB maintenance interface.
Load Indication
Circuit breakers equipped with a Micrologic trip unit provide precise information of the state of the circuit
breaker or the installation. This information can be used for the management and maintenance of the
installation.
For example, if the pre-alarm or alarm indicator is lit, performing load shedding may prevent tripping due
to circuit breaker overload.
A The Ready LED (green) blinks slowly when the electronic trip unit is ready to provide protection.
B The overload pre-alarm LED (orange) shows a steady light when the load exceeds 90% of the Ir setting.
C The overload alarm LED (red) shows a steady light when the load exceeds 105% of the Ir setting.
I (ON): Circuit breaker closed (in Auto or Manu
mode).
O (OFF): Circuit breaker open or tripped (in
Auto or Manu mode).
Remote Indication
Information is available remotely:
From the indication contacts
By using a communication network
These indication auxiliaries can be installed on site.
For more information about the remote indication and communication options, refer to the summary tables
of auxiliaries
User Guide
DOCA0140EN-01 01/2020 17
(see page 66)
.
and to
DOCA0141EN, Compact NSX Micrologic 5/6/7 Electronic Trip Units -
Compact NSX Circuit Breakers
Remote Electrical Stop Command
The remote electrical stop command can be given by electrical control auxiliaries regardless of the control
type in use.
To obtain a remote electrical stop command, use:
An MX shunt trip release, or
An MN undervoltage trip release, or
An MN undervoltage trip release with time-delay unit (the time-delay unit overcomes the problem of
micro-cuts).
For more information about the electrical control auxiliaries, refer to the relevant topic
NOTE: It is advisable to test operation of the remote electrical stop commands at regular intervals (every
six months).
(seepage83)
.
18
DOCA0140EN-01 01/2020
Compact NSX Circuit Breakers
EcoStruxure Power Commission Software
Overview
EcoStruxure
EcoStruxure Power Commission software helps you to manage a project as part of testing, commissioning,
and maintenance phases of the project life cycle. The innovative features in it provide simple ways to
configure, test, and commission the smart electrical devices.
EcoStruxure Power Commission software automatically discovers the smart devices and allows you to add
the devices for an easy configuration. You can generate comprehensive reports as part of Factory
Acceptance Test and Site Acceptance Test to replace your heavy manual work. Additionally, when the
panels are under operation, any change of settings made can be easily identified by a yellow highlighter.
This indicates the difference between the project and device values, and hence provides a system
consistency during the operation and maintenance phase.
EcoStruxure Power Commission software enables the configuration of the following circuit breakers,
modules, and accessories:
Circuit breaker ranges Modules Accessories
Masterpact MTZ circuit breakers
Masterpact NT/NW circuit breakers
Compact NS circuit breakers
PowerPact P- and R-frame circuit breakers
Compact NSX circuit breakers
PowerPact H-, J- and L-frame circuit
breakers
(1) For FDM121 display, only the firmware and language download are supported.
TM
Power Commission is the new name of Ecoreach software.
Micrologic X control unit
Communication interface modules: IFM
interface, IFE interface, IFE server, and EIFE
interface
ULP modules: IO module
Micrologic trip units
Communication interface modules: BCM
module, CCM module, BCM ULP module, IFM
interface, IFE interface, IFE server
ULP modules: IO module, FDM121 display
Micrologic trip units
Communication interface modules: BSCM
(1)
module, IFM interface, IFE interface, IFE server
ULP modules: IO module, FDM121 display
(1)
M2C output module
M2C and M6C output modules
SDTAM and SDx output modules
Key Features
For more information, refer to the
EcoStruxure Power Commission Online Help
EcoStruxure Power Commission software is available at
www.se.com
.
EcoStruxure Power Commission software performs the following actions for the supported devices and
modules:
Create projects by device discovery
Save the project in the EcoStruxure Power Commission cloud for reference
Upload settings to the device and download settings from the device
Compare the settings between the project and the device
Perform control actions in a secured way
Generate and print the device settings report
Perform a communication wiring test on the entire project and generate and print test report
View the communication architecture between the devices in a graphical representation
View the measurements, logs, and maintenance information
Export Waveform Capture on Trip Event (WFC)
View the status of device and IO module
View the alarm details
Buy, install, remove, or retrieve the Digital Modules
Check the system firmware compatibility status
Update to the latest device firmware
Perform force trip and automatic trip curve tests
DOCA0140EN-01 01/2020 19
Compact NSX Circuit Breakers
De-Energizing the Circuit Breaker
Isolation Capacity
Compact NSX circuit breakers offer positive contact indication and are suitable for isolation in accordance
with standards IEC/EN 60947-1 and 2. The O (OFF) position of the actuator is sufficient to isolate the
circuit breaker concerned.
The following marking on the faceplate label indicates that the circuit breaker is capable of isolation:
To confirm this capability, standards IEC/EN 60947-1 and 2 require specific shock withstand tests.
Compact NSX circuit breakers can be locked in the O (OFF) position to allow work to be carried out with
the power off in accordance with installation rules. The circuit breaker can only be locked in the open
position if the circuit breaker is in the O (OFF) position.
NOTE: Locking a Compact NSX circuit breaker in the open position is sufficient to isolate the circuit
breaker.
The locks depend on the type of actuator:
For circuit breakers with toggle handles, refer to the locking accessories
For circuit breakers with rotary handles, refer to how to lock the circuit breaker with direct rotary handle
(see page 37)
For circuit breakers with motor mechanisms, refer to how to lock the circuit breaker
Maintenance and Servicing Work on Installation
and how to lock the circuit breaker with extended rotary handle
(see page 29)
(see page 42)
(see page 51)
.
.
.
HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH
Apply appropriate personal protective equipment (PPE) and follow safe electrical work practices. See
NFPA 70E or CSA Z462 or local equivalent.
This equipment must only be installed and serviced by qualified electrical personnel.
Turn off all power supplying this equipment before working on or inside equipment.
Always use a properly rated voltage sensing device to confirm that power is off.
Replace all devices, doors, and covers before turning on power to this equipment.
Repair the installation immediately if an insulation fault occurs during operation.
Failure to follow these instructions will result in death or serious injury.
Turn off all power supplying the equipment before working on or inside equipment. For a partial powering
down of the installation, the installation and safety rules require clearly labeling and isolating the feed being
worked on.
Maintenance Work Following Fault Trip
HAZARD OF CLOSING ON ELECTRICAL FAULT
Do not close the circuit breaker again without first inspecting and, if necessary, repairing the downstream
electrical equipment.
Failure to follow these instructions can result in death, serious injury, or equipment damage.
DANGER
WARNING
20
The fact that a protection has tripped does not remedy the cause of the fault detected on the downstream
electrical equipment.
The following table describes the procedure to be followed after a fault trip:
Step Action
1 Isolate the feed before inspecting the downstream electrical equipment.
2 Look for the cause of the detected fault.
3 Inspect and, if necessary, repair the downstream equipment.
4 Inspect the equipment in the event of a short-circuit trip.
5 Close the circuit breaker again.
DOCA0140EN-01 01/2020
For more information about troubleshooting and restarting following a fault, refer to what to do in the event
of a trip
Checking the Settings
Checking settings does not require any particular precautions. The checks must be carried out by a
qualified person.
Testing the Circuit Breaker
HAZARD OF NUISANCE TRIPPING
Protection tests must be done by qualified electrical personnel.
Failure to follow these instructions can result in injury or equipment damage.
When testing circuit breaker trip mechanisms, precautions must be taken:
To avoid disrupting operations.
To avoid inappropriate actions or tripping of alarms.
For example, tripping the circuit breaker with the push-to-trip button or the LTU test software can lead to
inappropriate fault indications or corrective actions (such as switching to a replacement power source).
(see page 155)
Compact NSX Circuit Breakers
.
CAUTION
Setting the Trip Unit
WARNING
HAZARD OF NUISANCE TRIPPING OR FAILURE TO TRIP
Protection setting adjustments must be done by qualified electrical personnel.
Failure to follow these instructions can result in death, serious injury, or equipment damage.
Modifying trip unit settings requires a thorough knowledge of the installation and safety rules.
DOCA0140EN-01 01/2020 21
Compact NSX Circuit Breakers
Environmental Conditions
Ambient Temperature
The ambient temperature refers to the temperature of the air immediately surrounding the circuit breaker.
Operation temperature
–25 to +70 °C (–13 to +158 °F): Normal operating temperature
NOTE: The minimum operating temperature for the earth-leakage fault indicator on the Micrologic 4
trip unit is -15 °C (5°F). Between -15 and -5 °C (5 and 23 °F), and when operating the device with an
earth leakage fault and a very low load compared to the trip unit rating In, the earth leakage indicator
may not work correctly (fault indication or reset).
–35 to –25 °C (–31 to –13 °F): Commissioning possible
Storage temperature
–50 to +85 °C (–58 to +185 °F): Without Micrologic trip unit
–40 to +85 °C (–40 to +185 °F): With liquid crystal Micrologic trip unit
Extreme Atmospheric Conditions
Compact NSX circuit breakers are designed to operate in industrial atmospheres as defined in standard
IEC/EN 60947-2 for the highest level of pollution (level 3).
They are tested for extreme storage conditions according to the following standards:
Standard Title
IEC/EN 60068-2-2 Dry heat, severity level +85 °C (+185 °F)
IEC/EN 60068-2-1 Dry cold, severity level –55 °C (–67 °F)
IEC/EN 60068-2-30 Damp heat, cyclic
IEC/EN 60068-2-52 Salt-mist test
To obtain the best use from the circuit breakers, install them in properly ventilated switchboards where
excessive dust is not a problem.
Vibration
Compact NSX circuit breakers are tested against vibration.
temperature +55 °C (+131 °F)
relative humidity 95 %
22
Conformity tests are carried out in accordance with standard IEC/EN 60068-2-6 at the levels of severity
required by the merchant shipping regulatory bodies (IACS, Veritas, Lloyd namely):
2 Hz to 13.2 Hz with an amplitude of +/- 1 mm (+/- 0.04 in)
13.2 Hz to 100 Hz at a constant acceleration of 0.7 g
DOCA0140EN-01 01/2020
Electromagnetic Disturbances
Compact NSX circuit breakers are immune to electromagnetic disturbance.
They comply with the requirements of the electromagnetic compatibility (EMC) standard:
Standard Title
IEC/EN 60947-2 appendixes F and J Overcurrent protection tests
IEC/EN 60947-2 appendixes B and J Specific tests for earth-leakage protection
Check for compliance with EMC standards by testing for immunity to:
Overvoltages produced by the operation of electromagnetic switchgear.
Overvoltages produced by atmospheric disturbance that pass through the electrical network (for
example, lightning).
The use of apparatus emitting radio waves (such as radio transmitters, walkie-talkies, or radar).
Electrostatic discharges produced by the operators themselves.
Conformity with EMC standards as described above helps to ensure that:
The circuit breaker operates correctly in a disturbed environment:
Without nuisance tripping.
In accordance with the trip time.
There is no disturbance to any type of industrial or commercial environment.
Compact NSX Circuit Breakers
Altitude
Compact NSX circuit breakers are designed to operate within specification at altitudes of up to 2,000 m
(6,600 ft).
Above 2,000 m (6,600 ft) modifying the characteristics of the surrounding air (dielectric strength, cooling
capacity) causes derating as follows:
Altitude (m/ft) < 2,000 m
(6,600 ft)
Maximum operating voltage (V) 690 590 520 460
Rated thermal current (A) at 40 °C (104 °F) In 0.96 x In 0.93 x In 0.9 x In
3,000 m
(9,800 ft)
4,000 m
(13,000 ft)
5,000 m
(16,500 ft)
DOCA0140EN-01 01/2020 23
Compact NSX Circuit Breakers
Circuit Breaker With Toggle Handle
Section 1.2
Circuit Breaker With Toggle Handle
What Is in This Section?
This section contains the following topics:
Front Face Description 25
Opening, Closing, and Resetting the Circuit Breaker 26
Testing the Circuit Breaker 28
Locking the Circuit Breaker 29
Topic Page
24
DOCA0140EN-01 01/2020
Front Face Description
Front Face
Compact NSX Circuit Breakers
A Faceplate
B Toggle handle for opening, closing, and resetting
C Push-to-trip button
D Trip unit setting range
E Trip unit
F Trip unit adjustment dials
For more information about trip units, refer to the related description
(see page 85)
.
DOCA0140EN-01 01/2020 25
Compact NSX Circuit Breakers
Opening, Closing, and Resetting the Circuit Breaker
Opening and Closing Locally
To close the circuit breaker, move the toggle handle from the O(OFF) position to the I(ON) position.
To open the circuit breaker, move the toggle handle from the I(ON) position to the O (OFF) position.
Resetting After a Trip on Electrical Fault
The circuit breaker has tripped on electrical fault, the toggle handle has moved from the I(ON) position to
the Trip position.
WARNING
HAZARD OF CLOSING ON ELECTRICAL FAULT
Do not close the circuit breaker again without first inspecting and, if necessary, repairing the downstream
electrical equipment.
Failure to follow these instructions can result in death, serious injury, or equipment damage.
The fact that a circuit breaker has tripped does not remedy the cause of the fault detected on the
downstream electrical equipment.
26
DOCA0140EN-01 01/2020
Compact NSX Circuit Breakers
To reset after a fault trip:
Step Action Position
1 – Isolate the feed (refer to maintenance and servicing
work on installation
inspecting the downstream electrical equipment.
2 – Look for the cause of the detected fault.
3 – Inspect and, if necessary, repair the downstream
equipment.
4 – Inspect the equipment in the event of a short-circuit
trip.
5 Reset the circuit breaker by moving the toggle
handle to O(OFF).
(see page 20)
) before
O (OFF)
6 Close the circuit breaker by moving the toggle
handle to I(ON).
I(ON)
DOCA0140EN-01 01/2020 27
Compact NSX Circuit Breakers
Testing the Circuit Breaker
Push-to-Trip Procedure
CAUTION
HAZARD OF NUISANCE TRIPPING
Circuit breaker tests must only be done by qualified electrical personnel.
Failure to follow these instructions can result in injury or equipment damage.
When testing the trip mechanism take precautions against:
Disrupting operations
Activating inappropriate alarms
Triggering unwanted actions
For example, tripping the circuit breaker with the push-to-trip button can lead to inappropriate fault
indications or corrective actions (such as switching to an alternate power source).
Follow these steps to test the trip mechanism:
Step Action Position
1 Close the circuit breaker. I (ON)
2 Press the push-to-trip button to trip the
circuit breaker.
3 Move the toggle handle to the
O(OFF) position to reset the circuit
breaker.
4 Move the toggle handle to the I(ON)
position to close the circuit breaker.
O(OFF)
I(ON)
28
DOCA0140EN-01 01/2020
Locking the Circuit Breaker
Locking Accessories
HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH
When the circuit breaker toggle handle is locked in the (O) OFF position, always use a properly rated
voltage sensing device to confirm that power is off before working on equipment.
Failure to follow these instructions will result in death or serious injury.
Use locking accessories to lock the toggle handle in the I(ON) or O (OFF) position.
Accessory Padlocks
Compact NSX Circuit Breakers
DANGER
Accessory that is part of the case Use up to 3 padlocks (not supplied) 5–8 mm
(0.2–0.3 in) in diameter
Accessory that is detachable Use up to 3 padlocks (not supplied) 5–8 mm
NOTE: Locking the toggle handle in the I(ON) position does not disable the circuit breaker protection
functions. If there is an electrical fault, the circuit breaker trips without altering its performance. When
unlocked, the toggle handle moves to the Trip position. To return the circuit breaker to service, refer to how
to open, close, and reset the circuit breaker
(see page 26)
(0.2–0.3 in) in diameter
.
DOCA0140EN-01 01/2020 29
Compact NSX Circuit Breakers
Sealing Accessories
Use sealing accessories to prevent circuit breaker operations.
Seal Prohibited operations
Escutcheon mounting screw
Dismantling the escutcheon
Accessing the auxiliaries
Dismantling the trip unit
Transparent protective cover
Altering trip unit settings
Accessing the test port for the trip
units
Mounting screw for terminal shields Accessing the power connection
(protection against direct contact)
30
DOCA0140EN-01 01/2020
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