Allen-Bradley 140U, Instruction Leaflet

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Fig. Cover Screw tion Positions
Modification
Label
Terminal Black
I
Terminal Block
Connection
Diaaram
(When Used)
Pigtail Lead
C o n n e c t i o n
Diagram
Label
(When Used)
Fig. I I. Preferred Mounting Locations for Accessory
Nameplate Labels
Pigtail Leads
ASL Switch
Blue
Auxiliary Switch
Red
M a k e
T
(Alarm)
Leads Are Bundled and
T a g g e d “ B ”
Terminal Block
Blue
L o
Red
ASL Switch
a
Leads
Are Bundled
and
Tagged “A”
Red
b
B l u e
Auxiliary Switch
Fig. 12. Alarm 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
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