IEC Magnetic Contactor, 1NC-1NO, 24V DC, 3 P, Non-Reversing, Screw 3RT20351KB40

The Siemens IEC Magnetic Contactor is a 3-pole, non-reversing electrical switch operated by a 24 V DC coil. It includes two auxiliary contacts (1 NC / 1 NO) and uses screw-terminal connections. Conforms to IEC standards applicable to control-panel applications. - Coil voltage: 24 V DC - Poles and main contacts: 3 poles; 3 normally open main contacts - Auxiliary contacts: 2 total (1 NC, 1 NO) - Series / Frame: SIRIUS 3RT20 / Frame Size S2 - Electrical connection: Screws - Includes a varistor-based surge suppression device rated for typical transient conditions. - Dimensions (Overall): 2.50 in W x 5.65 in H x 4.80 in D - Rated for operation up to 690 V AC within specified parameters. - Operating temperature: -13 to 140 Degrees F - Mechanical durability: designed for an operational lifespan consistent with mechanical durability specifications. - Mounting: DIN Rail, Surface; Mounting Position: Vertical - Rated for maximum power levels under specified conditions: 19 kW at 400 V AC-3; 39 kW at 400 V AC-1 - Rated according to standard motor horsepower ratings at specified voltages and phases. - Response time: Opening 10-18 ms; Closing 12-22 ms - Includes auxiliary contacts: Yes