Siemens UL 1066 User Manual

9 – 49
9.1.10 Replace the trip unit
Removing
- OPEN circuit breaker and discharge the closing spring  (page 23-2)
- Remove front panel  (page 23-4)
DANGER
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.
WARNING
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.
2
3
During installation
1
5Nm
44 lb-inPH 2
5
4

Siemens UL 1066 Specifications

General

Brand	Siemens
Model	UL 1066
Category	Circuit breakers
Language	English