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Circuit Protection Frequently Asked Questions AutomationDirect Logo


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  • Power, I/O, and Wiring

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  1. How do I get my disconnect switch to close? I rotate the knob on my disconnect switch, but the main contacts do not close.
  2. Can you use single phase power with Cutler Hammer MCCB's?
  3. Can you use the WMZ/WMS devices for DC circuit protection?
  4. What is the watt loss spec for the F3P-150 breaker?
  5. Can you use the FAZ / FAZ-NA series devices for DC circuit protection?


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