Cutler-Hammer E2 LM Руководство по установке - Страница 3
Просмотреть онлайн или скачать pdf Руководство по установке для Промышленная электротехника Cutler-Hammer E2 LM. Cutler-Hammer E2 LM 8 страниц. Undervoltage release mechanism (handle reset) with led for e2 l and e2 lm mining circuit breakers
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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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