Operation
152/214 Revision 11 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DA10 • 861-9601.9
34.1 Control elements and indicators of the circuit-breaker
34.2 Control elements and indicators of the three-position disconnector
Control board on
the switchgear front
The manual switching operations DISCONNECTING or READY-TO-EARTH must be pre-selected
with the interrogation lever. The interrogation lever can only be operated if the associated
switching operation is permissible.
Position indicator
at the rear
The position of the three-position disconnector is indicated both at the front and at the rear of
the switchgear. The position indicator at the rear is located on the side of the outermost
busbar housing, over the circuit-breaker housing.
Fig. 184: Position indicator at the rear
①
Opening for charging the closing spring manually
②
ON pushbutton
③
OFF pushbutton
④
"Feeder earthed“ locking device
⑤
Operations counter
⑥
Position indicator for circuit-breaker
⑦
"Closing spring charged / not charged“ indicator
Fig. 183: Control board on the switchgear front
①
Interrogation lever
②
Position indicator for three-position disconnector
(EARTHING/READY-TO-EARTH function)
③
Position indicator for circuit-breaker
④
Position indicator for three-position disconnector
(DISCONNECTING function)
⑤
Control gate
⑥
Actuating opening for disconnector
(DISCONNECTING function)
⑦
Actuating opening for earthing switch
(EARTHING/READY-TO-EARTH function)
Switch positions
Three-position disconnector
OPEN
Three-position disconnector
CLOSED
Three-position disconnector
READY-TO-EARTH
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