6 – 20
Fixed-mounted
breaker
Draw-out
circuit breaker
Disturbance
Possible cause(s)
Remedy
X
X
Circuit breaker cannot be
closed.
Circuit breaker ready to close.
Ready-to-close indicator:
1.
Closing coil not energized or
incorrectly energized
Check or apply correct voltage
X
2.
The secondary disconnects
have been removed
Plug in the secondary disconnects
X
Circuit breaker cannot be
moved from the withdrawn
position into the disconnected
position
1.
Racking mechanism of circuit
breaker not in disconnected
(DISCON) position (Check
circuit breaker position indica-
tor)
Rack the mechanism into
disconnected position
(green position indicator)
X
Circuit breaker cannot be fitted
in the guide rails
1.
Factory mounted coding of
circuit breaker and cradle does
not match.
The circuit breaker is not rated for
use in this cradle. Replace with the
proper circuit breaker (permissible
circuit breakers are listed on the
cradle type label).
X
When racking from the discon-
nected into the test position,
the circuit breaker does not
move during the first 6
rotations (approximately)
2.
Not a fault
(functional property)
Continue racking
X
Racking handle cannot be
drawn out
1.
Circuit breaker is closed
Press "OPEN" button and pull
racking handle block out
X
2.
Cubicle door not completely
closed (Locking device as
accessory)
Close cubicle door
X
Racking handle cannot be
pushed in
1.
Racking handle is interlocked
Rack circuit breaker into discon-
nected, test or connected position,
unlatch crank and push it fully in
X
Cubicle door cannot be
opened (door interlock as
accessory)
1.
Closed circuit breaker is
preventing opening of
cubicle door
Open the circuit breaker
X
2.
Circuit breaker in connected
position
Rack circuit breaker into test or
disconnected position
Содержание UL 1066
Страница 43: ...6 12 7 Reset reclosing lockout 8 Charge closing spring 9 Switch ON Frame size II Frame size III 9X ...
Страница 56: ...7 5 7 2 Frame size II fused ...
Страница 58: ...7 7 ...
Страница 63: ...7 12 8 27 210 0 8 27 210 0 8 27 210 0 3 75 95 2 ...
Страница 64: ...7 13 ...
Страница 65: ...7 14 7 7 Frame size III fuse carriage ...
Страница 66: ...7 15 ...
Страница 69: ...7 18 7 9 External sensor for neutral conductor WLNCT2 ...
Страница 70: ...7 19 WLNCT3 ...
Страница 85: ...9 5 I tripping Ground fault tripping ...
Страница 231: ...15 12 Pre assembling the locking module Installing 0767 1 2 3 4 6 5 ...
Страница 232: ...15 13 1 Socket head cap screw M5 with washer and nut 7 8 Size 4 5 Nm 45 lb in ...
Страница 271: ...19 10 Function check Then Fit back front panel and side cover on the right if it was removed page 23 4 10 ...
Страница 280: ...21 2 Installing the door sealing frame Not for use with fuse carriages Catalog No Door sealing frame WLDSF 1 2 3 NOTICE ...
Страница 289: ...23 7 23 3 3 Installing arc chutes 1 2 6 5 PH 2 0043 02 3 4 5 6 For frame size III 3 PH 2 ...
Страница 298: ...23 16 6 7 8 9 5 2 1 Size 5 mm ...
Страница 333: ......