ETC-12Q Series: The first Quick Swap Trip Unit for the Masterpact M & MP Breaker.
- Direct Plug-in Replacement for STR-28D, STR-38S, STR-58U and STR-68U Masterpact Trip Units
- RMS sensing
- Adaptable to all frame sizes with no need for ratings plugs
- LSIG protection with defeatable protection bands
- Digital display with 3-phase ammeter and detailed trip logging
- Uses original CT’s and flux trip device