Square D LB1LD03M57

Protection module, TeSys integral 63, 3P, AC-43, 35 to 50A, 690VAC, thermal-magnetic

TeSys Integral thermal magnetic protection module, for mounting on contactor breakers LD1LD, LD4LD, LD5LD. With an adjustable thermal setting range Irth 35-50A, a tripping class 20, and a magnetic protection range 300-600A (6 to 12 Irth max), it protects motors 18.5 to 25kW@400V AC-43 for normal starting applications. It ensures phase imbalance protection and compensation of the thermal protection from -20 to 60°C. Manual reset is done by the control knob of the contactor breaker, remote reset requires an additional reset module mounted on the contactor breaker (to be ordered separately). Multi standards certified (IEC, UL, CSA, Marine), Green Premium compliant (RoHS/REACh).