Fixed-moun-
ted breaker
Draw-out
breaker
Disturbance
Cause
Remedy
Circuit-breaker cannot be moved
X
from the maintenance position into
the disconnected position
1.
Racking mechanism of breaker
not in disconnected position
(note breaker position indicator)
Rack the mechanism into discon-
nected position (green position indi-
cation)
Circuit-breaker cannot be fitted in
X
the guide rails
1.
Factory mounted coding of
breaker and guide frame
doesn’t match
Use breaker type according to
guide frame lable
When racking from the disconnec-
ted into the test position, the circuit-
X
breaker does not move during the
first 6 turns (approximately)
1.
Not a fault
Rack further
X
Racking handle cannot be drawn
out
1.
Circuit-breaker is closed
Press „Mechanical OFF“ button and
pull racking handle block out
2)
2.
Cubicle door not completely
X
closed
(Locking device as accessory)
Close cubicle door
X
Racking handle cannot be pushed in
1.
Racking handle is interlocked
Rack circuit-breaker into
disconnected, test or connect posi-
tion, unlatch crank and push crank
fully in
X
Cubicle door cannot be opened
1.
Closed circuit-breaker is pre-
venting opening of cubicle door
Open the circuit-breaker
2)
(door interlock as accessory)
X
2.
Circuit-breaker in connected
position
Rack circuit-breaker into test or dis-
connected position
2)
2)
Only permissible if the power circuit may be interrupted!
6 – 14
Summary of Contents for SENTRON 3ZX1812-0WL00-0AN0
Page 84: ...I kioldás Földzárlat kioldás I tripping Earth fault tripping 9 13 ...
Page 115: ...3 példa harmonikusok kijelzése English part continued on Page 9 57 9 44 ...
Page 118: ...7 példa görbe megjelenítés beállítás 9 47 English part continued on Page 9 57 ...
Page 119: ...English part continued on Page 9 57 9 48 ...
Page 121: ...English part continued on Page 9 57 9 50 ...
Page 122: ...9 példa görbék megjelenítése 9 51 English part continued on Page 9 57 ...
Page 123: ...English part continued on Page 9 57 9 52 ...
Page 125: ...English part continued on Page 9 57 9 54 ...
Page 127: ...9 56 ...
Page 129: ...Example 3 Display of harmonics 9 58 ...
Page 130: ...Example 4 Display of power Example 5 Displaying settings of protection parameters 9 59 ...
Page 131: ...Example 6 Inquiring maintenance information 9 60 ...
Page 132: ...Example 7 Adjusting representation of characteristics 9 61 ...
Page 133: ...9 62 ...
Page 134: ...Example 8 Selecting event for displaying characteristics 9 63 ...
Page 135: ...9 64 ...
Page 136: ...Example 9 Displaying characteristics 9 65 ...
Page 137: ...9 66 ...
Page 139: ...9 68 ...
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