The relay has different mechanism and temperature compensation & can be plugged inTSC1-D series AC contactor. It is the most advanced thermal relay in the ninetiesin the world. The products comply with IEC 60947-5.
SGR-D Thermal Overload Relay can be used in the circuit of 50Hz or 60Hz, rated insulation voltage 660V, rated current 0.1-93A for protecting the phase break whenthe electric motor is overload.