Rockwell Automation 1494V-M70, 1494V-M7, 1494V-M72 User Manual
Installation Instructions
Bulletin 1494V Variable Depth, Flange Operated Circuit Breaker Operating Mechanisms
For use with Circuit Breakers 140G-G, 140MG-G, 140G-H, 140MG-H, 140G-I, 140MG-I, 140G-J, 140MG-J, 140G-K, 140MG-K,
140G-M, 140MG-M, 140G-N, 140MG-N
(Cat 1494V-M70; 1494V-M71; 1494V-M72)
WARNING: To prevent electrical shock, disconnect from power source before installing or servicing. Follow NFPA 70E requirements. Install in suitable enclosure. Keep free from contaminants.
Installation, adjustments, putting into service, use, assembly, disassembly, and maintenance shall be carried out by suitably trained personnel in accordance with applicable code of practice. In case of malfunction or
damage, no attempts at repair should be made. The product should be returned to the manufacturer for repair. Do not dismantle the product.
Table of Contents Page
Enclosure with Handle Cutout
1 -
Locate Circuit Breaker Mechanism 2
2 - Handle Installation 2
3 -
Cut Connecting Rod 3
4a - 140G-G, 140MG-G, 140G-I, 140MG-I Circuit Breaker Installation 3
4b - 140G-H, 140MG-H, 140G-J, 140MG-J Circuit Breaker Installation 4
4c - 140G-K, 140MG-K Circuit Breaker Installation 6
4d - 140G-M, 140MG-M Circuit Breaker Installation 7
4e - 140G-N, 140MG-N Circuit Breaker Installation 8
5 - Connecting Rod and Mechanism Adjustment Procedure 11
Enclosure without Handle Cutout
6- Locating and Installing Door Catch 12
7- Locating and Drilling Handle Holes 13
8- Circuit Breaker
Testing 14
Accessory List 15
Variable Depth, Flange Operated Circuit Breaker Mechanisms
2
Enclosure with Handle Cutout
Locate Circuit Breaker Mechanism
1
Handle Installation
2
Install gasket.
1 2 3
CC1
CC2
BB
1494F-M1, -P1 or -S1
AA
EE
Size
DD
140G-G / 140MG-G
140G-H / 140MG-H
140G-I / 140MG-I
140G-J / 140MG-J
140G-K / 140MG-K
140G-M / 140MG-M
140G-N / 140MG-N
Install handle and spring bracket.
AA BB CC1 DDFrame
5/16" 1 - 41/64" 7 - 1/2"3"
29/64” 1 - 47/64” 9 - 5/16"4" 4 - 1/2" 12”
4 - 1/2" 4 - 1/32" 13 - 1/2"5" 12”
4 - 1/2" 4 - 1/32" 13 - 1/2"5"
CC2
3 - 1/2" 6”
5"
5" 12”
Wire
Bending
Space
Install defeater lever.
EE
1494F-M2 or -S2
IMPORTANT: Apply grease to O-Ring
to retain into handle groove.
30-40 lb-in
7-11 lb-in
60-80 lb-in
7-11 lb-in
Publication 1494V-IN105E-EN-P - September 2014 PN-242292 DIR 10000787413 (Version 04)
Enclosure with Handle Cutout (Cont’d)
Cut Connecting Rod
3
Variable Depth, Flange Operated Circuit Breaker Mechanisms
3
1
N
Enclosure
Working Depth
(Flange to
Mounting Plate)
Connecting Rod
Catalog Number
1494V-RA4
1494V-RB4
Circuit Breaker
Mechanism
1494V-M70
1494V-M71
1494V-M72
Rod Cut
Circuit Breaker
Frame
140G-G / 140MG-G
140G-I / 140MG-I
140G-H / 140MG-H
140G-J / 140MG-J
140G-K / 140MG-K
140G-M / 140MG-M
140G-N / 140MG-N
2
3
Rod Cut
N - 3-1/2"
N - 4"
N - 4-1/2"
N - 3-3/4”
Publication 1494V-IN105E-EN-P - September 2014 PN-242292 DIR 10000787413 (Version 04)
Variable Depth, Flange Operated Circuit Breaker Mechanisms
4
Circuit Breaker Installation
140G-G; 140MG-G; 140G-I; 140MG-I
4a
Verify that the disconnect handle and toggle on
1
the circuit breaker are in the “OFF” position.
Rotate connecting rod into drive bar
2
(10) full turns of engagement.
R
Remove liner from two-sided tape.
5
Install circuit breaker operating
3 4
mechanism into panel.
140G-I
140G-J
140G-G
140G-H
140G-G
140G-I
140G-H
140G-J
23 - 37 lb-in
Choose proper insulation barrier
as labeled. Bend side panels of
insulation barrier inward.
Align holes on insulation barrier with holes on operating mechanism.
6
Press rmly in place.
7
TAP E
L
Install circuit breaker onto insulation barrier and mechanism.
8
10 lb-in
Attach toggle adjustment plate.
9
L
23 - 37 lb-in
Go to Page 11 to assemble connecting rod and springs to handle
Publication 1494V-IN105E-EN-P - September 2014 PN-242292 DIR 10000787413 (Version 04)
Circuit Breaker Installation (Cont'd)
140G-H; 140MG-H; 140G-J; 140MG-J
4b
Reposition bail mechanism
Variable Depth, Flange Operated Circuit Breaker Mechanisms
5
Removal
1
2
4
Verify that the disconnect handle and toggle on
9
the circuit breaker are in the “OFF” position.
Rotate connecting rod into drive bar
10
(10) full turns of engagement.
Installation
8
L
L
3
7
5
L
L
6
Install circuit breaker operating
11 12
mechanism into panel.
Choose proper insulation barrier
as labeled. Bend side panels of
insulation barrier inward.
140G-I
140G-J
140G-G
140G-H
140G-G
140G-I
R
R
23 - 37 lb-in
Publication 1494V-IN105E-EN-P - September 2014 PN-242292 DIR 10000787413 (Version 04)
140G-H
140G-J
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