16 ABB Power Distribution
6.3.4 Run-on block
When any irregularities occur in the internal control
mechanism or with the charging function of the
spring energy storage mechanism, the run-on stop
blocks the next closing operation.
This is a protective function to prevent damage to
the circuit-breaker.
Release of the run-on block is described in
Instruction Manual BA 383/E.
54.2
54.3
55.8
55.6
128
Figure 6/1: Charging the stored-energy spring mechanism manually
by moving the inserted charging lever up and down
54.2 Mechanical ON push-button
54.3 Mechanical OFF push-button
55.6 Socket
55.8 Charging condition indicator
128 Charging lever
Figure 6/2: Only handle by crane when the lifting lugs
are fitted. Always bear in mind that the
high situated centre of gravity may induce
the breaker to tip over!
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