Installing Shunt Trips, Closing Coils, And Undervoltage Devices - Siemens UL 489 Operating Instructions Manual

11.2

Installing shunt trips, closing coils, and undervoltage devices

Hazardous voltage.
Will cause death, serious personal injury, or equipment damage.
Turn off and lock out all power supplying this equipment before working on this device.
High speed moving parts.
Can cause serious personal injury.
Discharge the closing spring before inspection and before carrying out any work on the circuit breaker.
- OPEN the circuit breaker and discharge the closing spring
- Move the circuit breaker into the withdrawn position in the cradle
- Remove front panel
1
11 – 2
DANGER
WARNING
 (page 24-4)
2
Retaining bracket
 (page 24-2)
 (page 24-3)
3
4
Replace retaining bracket and screw down.