9 – 52
NOTICE
Circuit breaker may trip.
If the trip settings are changed while the breaker is closed (and under load) the breaker may trip.
Adjust parameters only when the circuit breaker is in the open position.
Internal circuit breaker self-test
with tripping
1
2
Running light
All indicators will light up one after other (from left to right or from top to bottom)
3
The flashing time corresponds to the long-time delay
t
R
The flashing time deviates more than
10%
from the set long-time
delay
t
R
4
Circuit breaker trips
Test
OK
Circuit breaker does not trip
Test
not OK
Test
not OK
Trip unit is defective, even if the circuit breaker trips
5
q
Reclosing a circuit breaker trip-
ped by the trip unit (page 6-9)
Test with handheld test device
- Check wiring between trip unit and tripping solenoid
- Test tripping solenoid
T
he test can be canceled
at any time by pressing CLEAR
1
2
3
0075-01-02
Press and hold CLEAR
Press and hold TEST
Release both buttons at the same time
Summary of Contents for UL 1066
Page 56: ...7 5 7 2 Frame size II fused ...
Page 58: ...7 7 ...
Page 63: ...7 12 8 27 210 0 8 27 210 0 8 27 210 0 3 75 95 2 ...
Page 64: ...7 13 ...
Page 65: ...7 14 7 7 Frame size III fuse carriage ...
Page 66: ...7 15 ...
Page 69: ...7 18 7 9 External sensor for neutral conductor WLNCT2 ...
Page 70: ...7 19 WLNCT3 ...
Page 85: ...9 5 I tripping Ground fault tripping ...
Page 231: ...15 12 Pre assembling the locking module Installing 0767 1 2 3 4 6 5 ...
Page 232: ...15 13 1 Socket head cap screw M5 with washer and nut 7 8 Size 4 5 Nm 45 lb in ...
Page 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 ...
Page 298: ...23 16 6 7 8 9 5 2 1 Size 5 mm ...
Page 333: ......