Rockwell Automation 140U N-Frame CB Alarm Switch and Alarm Auxiliary Switch Combination - Manual (Page 4)

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 0. Test ASL switch(es) by connecting continuity tester
or ohmmeter across pigtail leads or terminal block connec-
tions. Check continuity as follows:
a. Circuit breaker handle OFF
Check that make contact(s) are open and break contact(s)
are closed.
b. Circuit breaker handle ON
Check that make contact(s) are open and breaker con-
tact(s) are closed.
NOTICE
Page 4
b. Slide ASL switch mounting bracket into slots until
retaining clip snaps into trip unit. For terminal block
assemblies, slide terminal block into mounting slot on
side of base as plug-in module is being positioned.
c. If required, complete routing of leads to opposite side
through rear wiring trough.
d. For double ASL switch with pigtail leads, attach wire
marking labels to bundle of three leads for each switch.
(Markers designated 1 and 2 are provided.)
e. For ASL/auxiliary switch accessory combinations with
pigtail leads, attach wire marking labels to bundle of
three leads for each switch. (Markers designated A and
B are provided if required. )
Accessory Combination Installation
2- 7. Install accessory combination switch as described
in the following steps (see Fig. 2-4):
a. Turn accessory combination mounting bracket to line
up with slots in trip unit.
b. Slide accessory combination mounting bracket into
slots until retaining clip snaps into trip unit. For terminal
block assemblies, slide terminal block into mounting slot
on side of base as accessory combination is being posi-
tioned.
c. If required, complete routing of leads to opposite side
through rear wiring trough.
d. For double auxiliary switch pigtail leads, attach wire
marking labels to bundle of three leads for each switch.
(Markers designated 1 and 2 are provided if required.)
WHEN INSTALLING CIRCUIT BREAKER MAIN
COVER, MAKE SURE THAT ALL INTERNAL PARTS
ARE IN PLACE:
•
ALL LEADS ARE CLEAR OF THE COVER.
2- 8. With circuit breaker handle in TRIPPED position
and acces- sory pigtail leads (if used) routed as
required, install circuit breaker covers. Secure with pan-
head cover screws. Torque
large screws to 35-45 Ib-in.
(4.0-5.0 N.m.) and small screws to 24-30 lb-in (2.7-3.4 N.m).
2- 9. Place accessory labels (supplied with kit) on cir-
cuit breaker (see Fig. 2-5).
CAUTION
40752-094 (1) Effective 04/02
c. Press PUSH-TO-TRIP button
Check that make contact(s) are closed and break
contact(s) are open.
d. If ASL switch(es) fails test, make sure that module is
properly seated in trip unit slots. If problem persists. contact
Allan-Bradley.
2-11. Test auxiliary switch(es) (when supplied). Connect
continuity tester or ohmmeter across pigtail leads or termi-
nal block connections. Check continuity as follows:
a. Circuit breaker handle OFF
"a" contacts(s)- open
"b" contact(s)- closed.
b. Circuit breaker handle ON
"a" contact(s) - closed
"b" contact(s) - open
c. Press PUSH-TO-TRIP button
"a" contact(s)- open
"b" contact(s) - closed