The ETC-12Q Series is a Quick Swap, Fully Programmable Plug-In STR Replacement Trip Unit / Protection Unit for Square-D & Merlin Gerin type M & MP Masterpact STR Trip Units.
- Quick-Swap, Plug-in Replacement for STR-18M, STR-28D, STR-38S, STR-58U and STR-68U Masterpact Trip Units
- Prevent Nuisance Tripping
- 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
The ETC-12Q is part of ETC Technologies Masterpact Support Extension. Learn More >
ETC-12Q Series Quick Swap Replacement Technical Downloads & TCC Curves