21
4.1.4
Removing the LV Plug
4.1.5
Connecting the LV Plug
4.2
Circuit-breaker operating mechanism
the closing spring after each switching operation. If the
4.3
Circuit-breaker Operation
4.3.1
Charging the closing spring by hand
Procedures
Operating Mechanism
– Pull the crank off.
4.3.1.1 Breaker ON and OFF
4.3.1.2 Mechanically
to switch ON/OFF the VCB.
4.3.1.3 Electrically
4.3.2
Switching State Indication
4.4
Earthing
4.4.1
Earthing of Busbars or cables with a Drawout
Truck (Fig. 32)
trucks.
Procedure
2.5.1)
2.8.2)
– Ensure that there is no voltage available on the parts to
clause 4.1.2).
4.4.1.1 Disconnection of Earthing Drawout truck
4.1.3)
– Disconnect the LV plug (refer clause 4.1.4)
Summary of Contents for 8BK80
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