Siemens UL 1066 - Preparation for Maintenance; Opening the Circuit Breaker and Discharging the Closing Spring

23 – 2
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
Position Indicator
red
green
Secondary Disconnects