Basic Unit And Accessories; Removing The Front Plate And Accessories - Siemens SENTRON 3WL10 Manual

Service and maintenance

7.5 Basic unit and accessories

7.5 Basic unit and accessories
7.5.1

Removing the front plate and accessories

For further maintenance, the circuit breaker must be partially disassembled:
1. Remove the front plates and terminal covers, see Chapter Installing accessories
(Page 177).
2. Remove the spring charging motor MO (Page 184), if installed.
3. Remove the undervoltage release UVR (Page 184), if installed.
4. Discharge the springs of the tripping mechanism.
5. Remove the cover over the mechanical pushbuttons.
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3VA27 molded case circuit breakers & 3WL10 air circuit breakers
Manual, 10/2018, L1V30499596002-01