... -1 stardand 3.acceptable for OEM 1.ApplicationJRS1 series thermal relay is suitable for using in the circuits rated voltage up ... 50/60Hz, for over-current protection of AC motor. The relay has the differentialmechanism and temperature compensation and can plug in ... -40, 50, 638036363~80CJX2-40, 50, 63 JRS1 Series thermal relay