Replace The Trip Unit - Siemens UL 1066 Operating Instructions Manual

9.1.10 Replace the trip unit

Hazardous voltage.
Will cause death, serious personal injury, or equipment damage.
Turn off and lock out all power supplying this device 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.
Removing
- OPEN circuit breaker and discharge the closing spring  (page 23-2)
- Remove front panel  (page 23-4)
5 Nm
PH 2 44 lb-in
During installation
DANGER
WARNING
1
4
5
2
3
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