Allen-Bradley 140U User Manual

Fig. 2- IO. Cover Screw lnstalla tion Positions
Modification
r Label
Terminal Black
I
Terminal Block
Connection
Diaaram
Label
(When Used)
Pigtail Lead
Connection
Diagram
Label
(When Used)
Fig. 2- I I. Preferred Mounting Locations for Accessory
Nameplate Labels
Pigtail Leads
ASL Switch
Blue
Auxiliary Switch
Red
1
Make
T
(Alarm)
Leads Are Bundled and
Tagged “B”
Terminal Block
Blue
--CBreak - Lo
+(Lockout) -
Red
ASL Switch
a
Leads Are Bundled and
Tagged “A”
Red
-
+t b
-b
-
Blue
Auxiliary Switch
Fig. 2- 12. Alarm (Signat)lLockout Switch - Auxiliary
Switch Connection Diagram
b. Circuit breaker handle ON - Check that make
contact(s) are open and break contact(s) are
closed.
C. Press PUSH-TO-TRIP button - Check that
make contact(s) are closed and break con-
tact(s) are open.
d. If ASL switch fails test, make sure that module
is properly seated in trip unit slots. If problem
persists. contact Allen-Bradley.
2-17. Test auxiliary switch (when supplied). Connect con-
tinuity tester or ohmmeter across pigtail leads or
terminal block connections. Check continuity as fol-
lows:
a. Circuit breaker handle OFF -
“a” contact - open
“b” contact
- closed.
b. Circuit breaker handle ON -
“a” contact - closed
“b” contact
- open.
40752-035(1) Effective 3/02
Page 7

Allen-Bradley 140U Specifications

General

Brand	Allen-Bradley
Model	140U
Category	Circuit breakers
Language	English