thermal relay 1.Quick delivery 2.Good performance with reasonable price 3.GB14048.4,IEC60947-4-1 thermal relay1.Quick delivery2.Good performance ... with reasonable price3.GB14048.4,IEC60947-4-1 JRS5 thermal relay is suitable for overload protection of AC motor operated om 8-houres ... dutyor uninterupted duty.The overload protected AC motor with frequency 50Hz,voltage up to ...