Fully Programmable Direct Plug-In Replacement Trip Unit for
Square-D & Merlin Gerin type M & MP Masterpact STR Trip Units
- Direct Plug-in Replacement for STR-18M, 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
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Download instruction manual in Pdf format