Run-On Block - ABB VD4 Series Instruction Manual

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.
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
16
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 6/2: 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!
ABB Power Distribution