IEC Magnetic Contactor, 1NC-1NO, 24V DC, 3 P, Non-Reversing, Screw 3RT20371KB40

The Siemens IEC Magnetic Contactor is a 3-pole, non-reversing switching device operated by a 24 V DC coil. It uses an electromagnetic mechanism to open and close three normally open main contacts and includes two auxiliary contacts configured as 1NO/1NC. The device uses screw terminals, is part of the SIRIUS 3RT20 series (Frame Size S2), compatible with DIN Rail and surface mounting methods, and includes a varistor surge suppressor rated for use within specified environmental conditions. Key features - Coil voltage: 24 V DC - Poles / main contacts: 3 poles; 3 normally open main contacts - Auxiliary contacts: 2 (1 NO, 1 NC) - Reversing: Non-Reversing - Electrical connection: Screws - Mounting: Compatible with DIN Rail and surface mounting methods; Mounting position: Vertical - Embedded surge suppressor: Yes (varistor) - Enclosure: No enclosure - Series/Frame: SIRIUS 3RT20; Frame Size: S2 - Dimensions (H×W×D): Dimensions are provided as approximate measurements based on product specifications - Rated voltage: Rated for operation up to 690 V AC within specified parameters - Full load current: Rated for continuous operation at indicated currents under normal conditions - Temperature range: Designed to operate within the specified temperature range - Power rating: Power ratings are based on standard test conditions and do not imply guaranteed performance under all circumstances - Mounting hole details: Diameter 0.20 in; hole spacing height 3.84 in; hole spacing width 1.77 in