Warning – Rockwell Automation 140U K-Frame CB Alarm Switch and Alarm /Auxiliary Switch Combination User Manual
Page 3
General Installation
WARNING
BEFORE REMOVING A CIRCUIT BREAKER
INSTALLED IN AN ELECTRICAL SYSTEM, MAKE
SURE THE CIRCUIT BREAKER IS SWITCHED TO THE
OFF POSITION AND THERE IS NO VOLTAGE
PRESENT WHERE WORK IS TO BE PERFORMED.
SPECIAL ATTENTION SHOULD BE PAID TO
REVERSE FEED APPLICATIONS TO ENSURE NO
VOLTAGE IS PRESENT. THE VOLTAGES IN ENER-
GIZED EQUIPMENT CAN CAUSE DEATH OR SEVERE
PERSONAL INJURY.
Note: Steps 2-1 through 2-11 and 2-14 through 2-19
are for general installation and apply to the ASL
switch and the accessory combination. Step 2-12
covers installation of the ASL switch. Step 2-13 cov-
ers installation of the accessory combination.
For new circuit breaker installation, the trip unit must
be installed in the circuit breaker before attempting
to install an ASL switch or accessory combination.
1. A/arm
Switch Kit
2-l.
Switch circuit breaker to OFF position.
Note: Molded case switch trip units are not equipped
with a Push-to-Trip button. For molded case
switches, omit step 2-2.
2-2.
Press PUSH-TO-TRIP button to trip operating
mechanism.
2-3.
Disconnect and remove circuit breaker from instal-
lation and terminal connections.
2-4.
Remove cover screws and cover.
Note: To install accessory, circuit breaker must be in
tripped position.
2-5. For high instantaneous trip-type molded case
switches, locate recessed hole in either
of the trip unit outer poles. (Fig 2-2). Push a
fine point implement in one hole to trip the molded
case switch.
WARNING
DO NOT RESET CIRCUIT BREAKER AFTER MOLDED
HANDLE IS REMOVED. CRADLE RESET PIN MAY
FLY OUT AND CAUSE INJURY IF MECHANISM IS
TRIPPED.
2-7.
Remove handle-retaining screws and molded han-
dle from handle arm. (See Fig. 2-3.)
2-8.
Remove interphase barrier between center pole
and pole in which accessory is to be mounted.
(See Fig. 2-3.)
2-9.
Install replacement interphase barrier supplied with
kit in base. (See Fig. 2-3.)
Note: Before the next step, be sure that replacement
interphase barrier has been installed in correct
accessory cavity side, and that cradle reset pin has
not fallen out of retaining-slot in handle arm.
2-10. Put molded handle on handle arm, and install
retaining screws.
Note: For all combinations of accessories, leads
from inner accessory switch must go to the wiring
trough nearest line end of circuit breaker. For a dou-
ble combination, leads from the outer accessory
switch must go to center trough.
40752-035(1)
Effective 3/02
Page 3