Contactor SU440, SU431, SU422

SKU: SU440, SU431, SU422


The SU DC contactor is a universal contactor for shunting operation in DC and AC networks, for controlling motors, especially under reversing conditions with heavy starting and counter-current braking. Each contactor in the basic version is equipped with an auxiliary switch LP-4 with auxiliary contacts 2z+2r. SU series contactors are designed for use in traction, crane, marine vessel and automation systems. SU contactors are currently manufactured under the registered trademark ZAKŁAD APARATÓW ELKTRYCZNYCH APENA®.

SU-440 SU-431 SU-422
DC3 power U=110V 17 kW 17 kW 17 kW
DC3 power U=220V 33 kW 33 kW 22 kW
Main tracks 2 NO 2NC 1NO+1NC
Auxiliary contacts 2NC+2NO 3NC+1NO 2NC+2NO
Ith rated current (A) 250 250 250
Control voltages(min/max) 12/220VDC 12/220VDC 12/220VDC

Available traction executions.