Power contactor, AC switching Siemens 3RT2038-1NB34 3RT20381NB34

Power contactor; AC switching; Rated control supply voltage Us at AC 50HZ 20 | 33 V; Rated control supply voltage Us at AC 60HZ 20 | 33 V; Rated control supply voltage Us at DC 20 | 33 V; Voltage type for actuating AC/DC; Rated operation current Ie at AC-1; 400 V 90 A; Rated operation current Ie at AC-3; 400 V 80 A; Rated operation power at AC-3; 400 V 37 kW; Rated operation current Ie at AC-4; 400 V 55 A; Rated operation power Ie at AC-4; 400 V 30 kW; Number of auxiliary contacts as normally open contact 2; Number of auxiliary contacts as normally closed contact 2; Type of electrical connection of main circuit Screw connection; Number of main contacts as normally open contact 3