Operating
Mechanism
Maintenance
26
1HSB515409-100 en rev2
6.
Pull the blocking pin out of the hole.
7.
Turn the switch Motor/Hand to the Motor position.
8.
Switch on the motor voltage with the direct-on -line starters.
9.
Set the switch Local/Remote to the Remote position.
The circuit-breaker is now in the closed position and a normal opening operation
can be carried out.
N. B. Check that the blocking beams are dismantled before carrying out an opening
operation.
Figure 4-7. Operating mechanism, slow closing operation.
Item
1
Closing coil
2
Cam disc
3
Stop roller
4
Operating lever
5
Locking lug
6
Roller, Open
7
Locking lug
8
Roller, Closed
1
2
3
4
5
6
8
7
B20006
Summary of Contents for SF6 LTB 245E1 BLG 1002A
Page 1: ...Product Manual 1HSB435416 2 en Rev 1 LTB 245E1 BLG 1002A 3 pole operation ...
Page 92: ...ABB Switchgear SF6 Circuit Breaker Circuit breakers HPL and LTB 1HSB445409 1 en0 Lubricants ...
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