Operating Mechani Owner manual

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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

Summary of content (16 pages)

PAGE 1
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.
PAGE 2
Variable Depth, Flange Operated Circuit Breaker Mechanisms 2 Enclosure with Handle Cutout 1 Locate Circuit Breaker Mechanism BB CC1 AA EE AA BB CC1 CC2 DD EE Wire Bending Space 140G-G / 140MG-G 140G-H / 140MG-H 140G-I / 140MG-I 140G-J / 140MG-J 5/16" 1 - 41/64" 3" 3 - 1/2" 7 - 1/2" 6” 140G-K / 140MG-K 29/64” 1 - 47/64” 4" 4 - 1/2" 9 - 5/16" 12” 140G-M / 140MG-M 4 - 1/2" 4 - 1/32" 5" 5" 13 - 1/2" 12” 140G-N / 140MG-N 4 - 1/2" 4 - 1/32" 5" 5" 13 - 1/2" 12” Frame Size
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Variable Depth, Flange Operated Circuit Breaker Mechanisms Enclosure with Handle Cutout (Cont’d) 3 Cut Connecting Rod 1 2 N Enclosure Working Depth (Flange to Mounting Plate) 3 Rod Cut Connecting Rod Catalog Number Circuit Breaker Mechanism Circuit Breaker Frame 1494V-M70 140G-G / 140MG-G 140G-I / 140MG-I 140G-H / 140MG-H 140G-J / 140MG-J 1494V-RA4 1494V-RB4 Rod Cut N - 3-1/2" N - 4" 1494V-M71 140G-K / 140MG-K N - 4-1/2" 1494V-M72 140G-M / 140MG-M 140G-N / 140MG-N N - 3-3/4” Publicatio
PAGE 4
Variable Depth, Flange Operated Circuit Breaker Mechanisms 4 Circuit Breaker Installation 4a 140G-G; 140MG-G; 140G-I; 140MG-I 1 Verify that the disconnect handle and toggle on the circuit breaker are in the “OFF” position. 2 Rotate connecting rod into drive bar (10) full turns of engagement. 3 4 Install circuit breaker operating mechanism into panel. Choose proper insulation barrier as labeled. Bend side panels of insulation barrier inward.
PAGE 5
Variable Depth, Flange Operated Circuit Breaker Mechanisms 5 Circuit Breaker Installation (Cont'd) 4b 140G-H; 140MG-H; 140G-J; 140MG-J Reposition bail mechanism Installation Removal 1 8 2 4 7 L L 3 L 5 L 6 10 Verify that the disconnect handle and toggle on the circuit breaker are in the “OFF” position. 11 Install circuit breaker operating mechanism into panel. 12 Rotate connecting rod into drive bar (10) full turns of engagement.
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Variable Depth, Flange Operated Circuit Breaker Mechanisms Circuit Breaker Installation (Cont'd) 4b 140G-H; 140MG-H; 140G-J; 140MG-J Cont'd Remove liner from two-sided tape. 14 Align holes on insulation barrier with holes on operating mechanism. 17 Attach toggle adjustment plate TAPE 13 L L L L 23 - 37 lb-in 15 Press firmly in place. 16 Install circuit breaker onto insulation barrier and mechanism.
PAGE 7
Variable Depth, Flange Operated Circuit Breaker Mechanisms Circuit Breaker Installation (Cont'd) 4c 140G-K; 140MG-K Verify that the disconnect handle and toggle on the circuit breaker are in the “OFF” position. 2 Rotate connecting rod into drive bar (10) full turns of engagement. 3 Install circuit breaker operating mechanism into panel. R R 1 40 - 60 lb-in Install insulation barrier (provided with circuit breaker). 4 Remove liner from two-sided tape.
PAGE 8
Variable Depth, Flange Operated Circuit Breaker Mechanisms Circuit Breaker Installation (Cont'd) 4d 140G-M; 140MG-M 1 Verify that the disconnect handle and toggle on the circuit breaker are in the “OFF” position. 2 Rotate connecting rod into drive bar (10) full turns of engagement. 3 Install circuit breaker operating mechanism into panel. 90 - 130 lb-in Install insulation barrier (provided with circuit breaker). 4 Remove liner from two-sided tape.
PAGE 9
Variable Depth, Flange Operated Circuit Breaker Mechanisms 9 Circuit Breaker Installation (Cont'd) 4e 140G-N; 140MG-N Reposition bail mechanism 4 40 - 60 lb-in 1 40 - 60 lb-in 5 6 23 - 37 lb-in 2 3 7 Verify that the disconnect handle and toggle on the circuit breaker are in the “OFF” position.
PAGE 10
Variable Depth, Flange Operated Circuit Breaker Mechanisms Circuit Breaker Installation (Cont'd) 4e 140G-N; 140MG-N Install insulation barrier (provided with lugs). Cont'd 9 Install circuit breaker operating mechanism into panel. 10 Remove liner from two-sided tape. 11 Align holes on insulation barrier with holes on operating mechanism. 12 Press firmly in place. 13 Install circuit breaker onto insulation barrier and mechanism. TAPE 90 - 130 lb-in L 14 Attach toggle adjustment plate.
PAGE 11
Variable Depth, Flange Operated Circuit Breaker Mechanisms Connecting Rod and Spring Assembly to Handle 5 Hitch Pin Connecting Rod 2 2 1 1 L L Primary Link 3 L L 4 Publication 1494V-IN105E-EN-P - September 2014 PN-242292 DIR 10000787413 (Version 04) 11
PAGE 12
Variable Depth, Flange Operated Circuit Breaker Mechanisms 12 Enclosure without Handle Cutout 6 Locating and Installing Door Catch · Provided with projections for welding. · Projections can also be used as a guide for drilling holes. · Can be used as a template to drill corresponding holes in the enclosure door. · User to supply the hardware for fastening the bracket. · Fasteners must provide the degree of ingress protection for the environmental rating of the enclosure.
PAGE 13
Variable Depth, Flange Operated Circuit Breaker Mechanisms 13 Enclosure without Handle Cutout · Enclosures with a Flange Thickness less than 3/16" use dimensions below to install disconnect handle. · Enclosures with a Flange Thickness 3/16" and greater use dimensions in Alternate Mounting Kit 1494V-H6 to install disconnect handle. 7 Locating and Drilling Handle Holes C C B B A A (2) .328 Dia. Holes G E E (2) .265 Dia.
PAGE 14
8 Variable Depth, Flange Operated Circuit Breaker Mechanisms Testing of Circuit Breaker Connecting Rod Hitch Pin Spring Handle Link L L Defeator Lever Toggle Adjustment Plate 140G / MG-G, H, I, J 140G / MG-K 140G / MG-M 140G / MG-N 23 - 37 lb-in 40 - 60 lb-in “ON” Position 1. Move defeater lever down and move handle to the ON position. 2. If the circuit breaker does not turn “ON”, loosen (2) screws on toggle adjustment plate. 3. Move toggle adjustment plate toward line terminals. 4.
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Variable Depth, Flange Operated Circuit Breaker Mechanisms Components Cat No.
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Bulletins: 507, 513, 513H, 523E, 523F, 523G, 1233, 1233X, 1233V NEMA Starter Size Horsepower Rating For Combination Starter 0 1 2 3 4 5 1/10..