JR28(LR2-D) series thermal relay is suitable for using in the main circuits rated voltage up to 660V,rated current 93 A, AC 50Hz or 60Hz,for over-voltage protection of AC motor. The relay has the differential mechanism and temperature compensation and can plug in CJX2(LC1-D) series AC contactor, also be independently fixed. Specifications: LR2-D13, D23,D33