Rockwell Automation 1494C-xxx User Manual
Bulletin 1494C Cable Operated Disconnect Switch Kit (400A)
Installation Instructions
(Cat 1494C- _ _ _ Series 2 : 400A)
ATTENTION: To prevent electrical shock, disconnect from power source before installing or servicing. Follow
NFPA 70E requirements. Install in suitable enclosure. Keep free from contaminants.
ATTENTION: The following procedures are critical to the proper operation of the disconnect handle and switch.
Failure to follow these steps can result in damage to the equipment and/or serious injury or death to the operator.
Table of Contents Page
Quick Installation Guide
- Disconnect Switch Installation 2,3
- Disconnect Handle Installation 3
- Assemble and Install Line Terminal Guard 4
- Cable Mechanism Installation 4
- Connecting Rod Adjustment Procedure 5
Enclosure Without Handle Cutout 6
- Locate Handle
- Drill Handle Holes
Door Catch Mounting Bracket Installation 7
Trailer Fuse Block Installation (400A) 8
Phase Barrier Replacement (400A)
9
Fuse Clip Installation (400A) 10
Bulletin 1494C Cable Operated Disconnect Switch Kit Components 11
Bulletin 1494C Cable Operated Disconnect Switch Kit Optional Accessory List
12
QUICK INSTALLATION GUIDE
IMPORTANT: When locating the 400A switch, verify that the minimum diameter for the loop of the cable between the switch mechanism and
handle mechanism is not less than 16 inches.
Any reduction to the diameter of the bend loop for the cable will reduce the efficiency of the cable system, and create additional drag and friction
within the cable conduit.
IMPORTANT: Verify that the cable assembly does not interfere with any mechanical and moving parts. Keep the cable conduit a minimum of 1/2"
from all heat sources and current carrying terminals, fuses, transformers, etc.
Disconnect Switch Installation
1
Switch
Size
400A
AA BB CC DD
2" 11" 4-3/4" 1-3/8"
Locate switch with right hand mechanism
1a
Panel Mounting Dimensions
EE
9/32" Dia.
(4) Mounting Plate Holes
Minimum Bend Diameter
FF
16" Dia.
EE
DD
AA
BB
CC
Enclosure with Right Hand Flange
AA
FF
Locate switch with left hand mechanism
1b
EE
EE
DD
AA
BB
CC
FF
Enclosure with Left Hand Flange
AA
EE
BB
DD
CC
FF
FF
BB
DD
CC
Enclosure with Right Hand Flange Enclosure with Left Hand Flange
(2)
Disconnect Switch Installation (Cont'd)
1
Assemble disconnect switch to cable switch
2
mechanism
90 - 130 lb-in (400A)
Thread forming
screws
provided with
disconnect switch.
Disconnect Switch with
Right Hand Cable Mechanism
(shown)
Assemble disconnect switch assembly to mounting plate
3
Thread forming
screws
provided with cable
90 - 130 lb-in
(400A)
mechanism.
Install rubber handle on line terminal guard Install the line terminal guard on disconnect switch
4
LINE TERMINAL GUARD
Disconnect Handle Installation
2
Install gasket
1 2 3
Install handle and mechanism bracket
5
LINE TERMINAL G
UAR
D
Install defeater lever
NOTE: Apply grease from
capsule to gasket or groove
to retain gasket to handle.
(Right Hand
Flange Mounted
Shown)
60 - 80 lb-in
7-11 lb-in
(3)
Cable Mechanism Installation
3
Verify that disconnect switch and handle are in "ON" position.
1
(Switch blades will not be visible)
Rotate connecting rod (clockwise) into drive bar until it
2
begins to exit the drive bar (approximately 18 full turns).
Align connecting rod with primary link
3
Connecting
Rod
Primary Link
(4)
Loading...