Warning – Rockwell Automation 140U K-Frame CB Alarm Switch and Alarm /Auxiliary Switch Combination User Manual

Page 3

Advertising
background image

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

Advertising