Notice – Rockwell Automation 140U Q, M Frame CB Alarm Switch and Auxiliary Switch Combination User Manual

Page 5

Page 5

40752-076(1)

Effective 4/02

For molded case switches, omit step c.

Press PUSH-TO-TRIP button -
“a” contact(s) - open
“b” contact(s) - closed

d. If auxiliary switch(es) fails test, make sure

that auxiliary switch(es) module is properly
seated in trip unit slots. If auxiliary
switch(es) appears to be correctly installed
and the problem persists, contact

Allen-

Bradley

2-1

Install circuit breaker.

2-1

Connect accessory leads as required (see
Figure 2-7).

Allen-Bradley

assumes no responsibility for malfunc-

tioning accessories installed improperly by the cus-
tomer.

2-1

Place accessory labels (supplied with kit) on cir-
cuit breaker (Figure 2-7).

Accessory labels show connection diagram for ASL
switch and/or auxiliary switch contacts. Pigtail
leads are color coded red, black, and blue. Be sure
that accessory terminal marking label is attached
correctly to leads and agrees with related leads at
accessory.

2-1

Test ASL switch(es) by connecting continuity
tester or ohmmeter across pigtail leads or termi-
nal block connections. Check continuity as fol-
lows:

Circuit breaker handle OFF -
Check that make contact(s) are open and
break contact(s) are closed.

Circuit breaker handle ON -
Check that make contact(s) are open and
breaker contact(s) are closed.

For molded case switch circuit breakers, omit step c.

Press PUSH-TO-TRIP button -
Check that make contact(s) are closed and
break contact(s) are open.

If ASL switch(es) fails test, make sure that
module is properly seated in trip unit slots.
If problem persists, contact Cutler-Hammer.

2-1

Test auxiliary switch(es) (when supplied).
Connect continuity tester or ohmmeter across
pigtail leads or terminal block connections.
Check continuity as follows:

Circuit breaker handle OFF -
“a” contact(s) - open
“b” contact(s) - closed.

Circuit breaker handle ON -
“a” contact(s) - closed
“b” contact(s) - open

NOTICE

Figure 2-2 Interphase Barrier Replacement

Replacement Barrier
Supplied with ASL
Switch Kit

Remove
Interphase
Barrier