Ordinary Maintenance - LEGRAND DMX3 Series Manual

DMX
3

23. Ordinary maintenance

In order to guarantee a proper functioning of the
breaker a periodical maintenance is requested .
It's important to:
- check and maintain product efficiency
- identify damaged parts and accessories
- prevent emergencies
Periodical checks and maintenance is recom-
mended on:
- Mechanism
- Anti-shock opening spring
- Arc chutes
- Main contacts
- Draw-out system (if present)
- Terminals
- Auxiliaries
- Mechanical accessories (if present)
- Electrical accessories (if present)
- Protection unit
discharged
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