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/Frequency, 2 SPDT Relay Outputs, IP20, DIN-rail mounting, Measuring Range 374 to 552Vac, 45x83.5x99.5mm housing