Satin American has manufactured retrofit systems for 600V class power circuit breakers since 1988. Back then, most upgrades were performed because aging electromechanical trip devices were no longer serviceable. Since that time, OEMs have standardized on more reliable electronic protection. Now, after decades of dependable performance, these modern systems are beginning to approach end of life. Which bring us to … Read More

Industry expects the installed base of power circuit breakers to provide decades of safe and reliable service. These breakers are well designed and mechanically serviceable. Unfortunately, in many instances, their electronic protection units are beginning to approach end of life. Most power circuit breakers produced since the early 1980’s were manufactured with direct-acting electronic protection units (EPU’s). The EPU has … Read More

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 … Read More

Compatible with virtually all US Manufactured 600V Breakers

The ETC-12 Digital Solid State Trip Device is a Patented Electrical Life Extension Utility