IG-322-EN version 03; 22/07/2022
41
General instructions
SF
6
-insulated circuit-breaker panel:
Type
gae
.630 -1LSV(G)-/5/
in modular extensible design up to 24 kV, 20 kA
Operation
5.4.2. Tensioning the spring accumulator
Insert the hand crank into the tensioning coupling. Tension
the spring accumulator by turning the crank to the right
(approx. 2 turns).
Once the maximum accumulator energy has been reached,
the drive ratchet switches to idle. The spring accumulator
indicator jumps to ‘TENSIONED’ (Figure 3.12).
The spring accumulator is automatically pre-tensioned by
the motor when the supply voltage is present.
On the failure of the supply voltage, the spring accumulator
can be tensioned manually using the crank. The hand
crank coupling is designed such that if the motor power
supply becomes available again, the tensioning crank is
de-coupled.
The energy from the tensioned closing spring allows the
circuit-breaker to be switched ON whilst simultaneously
tensioning the opening spring. Re- tensioning the closing
spring immediately after switching the circuit- breaker ON
makes it possible to switch a brief interruption OFF-ON-OFF.
Figure 5.10.
Summary of Contents for ORMAZABAL gae.630
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