Issue:
What is the switching life and mechanical life of a vacuum contactor?
Product Line:
Motorpact™ 200/400/450 A Vacuum Contactors
Environment:
Replacement and maintenance planning
Cause:
Determining when it is necessary to replace the vacuum interrupter based on operational limits.
Resolution:
- Switching Life: The vacuum interrupter should be replaced after reaching its switching life of 250,000 operations.
- Mechanical Life: The overall mechanical life of the contactor is rated at 2,500,000 operations.
Source:
Motorpact™ 200/400/450 A Vacuum Contactors – Instruction Bulletin 46032-700-02D (03/2011)