Preparation For Maintenance; Opening The Circuit Breaker And Discharging The Closing Spring - Siemens UL 1066 Operating Instructions Manual

23.1

Preparation for maintenance

23.1.1 Opening the circuit breaker and discharging the closing spring

1
OPEN the circuit breaker
2
Disconnect secondary
circuits
3
CLOSE the circuit breaker
4
Depress the OPEN button
again
5
Indications
23 – 2
Position Indicator
red
green
Secondary Disconnects