Cutler-Hammer E2 L Instrukcja instalacji - Strona 3

Przeglądaj online lub pobierz pdf Instrukcja instalacji dla Elektryka przemysłowa Cutler-Hammer E2 L. Cutler-Hammer E2 L 8 stron. Undervoltage release mechanism (handle reset) with led for e2 l and e2 lm mining circuit breakers

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I.L. 29C171

Replacement Barrier

Supplied with UVR

Switch Kit

Figure 2-3 Interphase Barrier Replacement

Interphase

Barrier

UVR Reset Lever in

Slot in Interphase

Barrier in Front of

Handle Arm

UVR Plug-in

Module

Figure 2-4 UVR Installation

Effective 3/98

To install UVR, circuit breaker operating mechanism

must be in tripped position.

Molded case switch trip units are not equipped with a

Push-to-Trip button. For molded case switches, omit

step 2-3.

Remove

Interphase

Barrier

2-2. Disconnect and remove circuit breaker from instal-

2-3. Press PUSH-TO-TRIP button to trip operating

2-4. Remove circuit breaker cover screws and covers.

2-5. For high instantaneous trip-type (catalog suffix K

2-6. Remove interphase barrier between accessory

2-7. Install replacement interphase barrier (supplied

2-8. Install UVR as described in following steps (see

IF UVR IS REMOVED FROM CIRCUIT BREAKER,

INTERMEDIATE PLUNGER MUST ALSO BE

REMOVED. FAILURE TO REMOVE THE INTERMEDI-

ATE PLUNGER CAN RESULT IN EQUIPMENT DAM-

AGE.

a. Remove barrier from trip unit accessory mounting

slots in pole bing used for accessory (Figure 2-2).

b. Position intermediate plunger in trip unit (Figure 2-

2).

c. Press intermediate plunger into recess in trip unit

and hold in position.

NOTICE

lation and terminal connections.

mechanism, and check handle moves to trip posi-

tion with white colored indicator visible in

escutcheon window.

designation) molded case switches, find recessed

hole in either of the trip unit outer poles (Figure 2-

2). Push intermediate plunger supplied with UVR

in one hole to trip the molded case switch.

Remove plunger to prevent it falling out of

recessed hole in trip unit and into molded case

switch mechanism.

mounting cavity and operating mechanism (see

Figure 2-3).

with kit) in base (see Figure 2-3).

Figure 2-4).

WARNING

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