ABB VM1 Manual page 31

M E D I U M V O LTA G E P R O D U C T S
Figure 9/27: Mechanical interlock between the withdrawable assembly
and the circuit breaker, setting of the slide blocker.
View from front
35.5 Pawl in the withdrawable assembly
41.1 Fixing sheet
41.2 Slide blocker
41.3 Revolute joint
41.4 Base plate of the circuit breaker
41.5 Screw
Figure 9/26: View of the operating mechanism of the
Figure 9/28: Manually movable withdrawable part, front plate removed.
-RL2 Blocking magnet for the withdrawable
part (only on manually movable parts)
41 Mechanical interlock between the withdrawable assembly
and the circuit breaker
VM1 circuit breaker with auxiliary equip-
ment, front plate removed.
5 Mechanical operating cycle counter
6 Recess for emergency manual
opening lever
10 Magnetic actuator
15 Sensor for "circuit breaker OFF" signal
16 Sensor for "circuit breaker ON" signal
26 Storage capacitor
27 Circuit breaker control unit
27.1 Plug connector for out puts
-BB4, -DR, -DN, -DO1, -DC1, -DO2
and -DC2 )
1
27.2 Plug connection for inputs
-RL1, -MO1, -MC, -MU ) and -MO2
1
27.3 Plug connector for supply voltage -MS
27.4 Earthing strip
) Full version only
1
31 31
)
1