Altech Corporation, founded in 1984, is a United States supplier of components and devices used in industrial control, instrumentation, medical and automation applications. The Altech product line includes miniature circuit breakers, busbars, DC-UPS devices, digital panel meters, DIN rail terminal blocks, printed circuit board terminal blocks, contactors, industrial relays, motor disconnect swi
3-Phase Star-Delta True RMS Monitoring Relay, Sequence and Phase Loss, Over/Under Voltage, 1 SPDT Relay Output, IP20, PLUG-IN mounting, Measuring Range 177 to 275Vac, 36x80x94mm housing