beautypg.com

Rockwell Automation 140U Q and M-Frame Circuit Breakers Instruction Leaflet for Shunt Trip User Manual

Page 5

background image

Page 5

Flat Blade
Screwdriver

Fig. 2-4

2-8. Place accessory labels (supplied with kit) on circuit

breaker.

(See

Fig.

Note: Accessory labels show connection diagram for

shunt trip. Pigtail leads are color coded white and
yellow.

2-9. Test cutoff switch. Connect ohmmeter across pig-

Screwdriver Depressing Shunt Trip Solenoid
Plunger

tail leads or terminal block connections. Check
continuity as follows:

a. Circuit breaker handle OFF no continuity.

b. Circuit breaker handle

ON

-

less than 9000

ohms.

Terminal Block
Connection Diagram
Label (When Used)

Identification
Label

Pigtail

Diagram
(When Used)

Fig. 2-5 Preferred Mounting Locations for Accessory

Nameplate Labels

Note: For molded case switches, omit step

c.

c. Press PUSH-TO-TRIP button

-

no continuity.

d. If cutoff switch fails test, make sure that shunt

trip module is properly seated in trip unit slots. If
problem persists, contact Allen-Bradley.

2-1 0. Install circuit breaker.

2-11. Connect shunt trip as required (see Fig. 2-6).

Allen-Bradley assumes no responsibility for malfunc-

tioning accessories installed improperly by the customer.

40752-075(1)

Effective 4/02