{"product_id":"siemens-3rt20371kb40-iec-magnetic-contactor-1-nc-1-no-24-v-dc-3-p-non-reversing-screw","title":"Siemens 3RT20371KB40 - IEC Magnetic Contactor, 1 NC\/1 NO, 24 V DC, 3 P, Non-Reversing, Screw","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003eThe 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.\u003c\/p\u003e  \u003cp\u003eKey features \u003c\/p\u003e\u003cli\u003e- Coil voltage: 24 V DC\u003c\/li\u003e \u003cli\u003e- Poles \/ main contacts: 3 poles; 3 normally open main contacts\u003c\/li\u003e \u003cli\u003e- Auxiliary contacts: 2 (1 NO, 1 NC)\u003c\/li\u003e \u003cli\u003e- Reversing: Non-Reversing\u003c\/li\u003e \u003cli\u003e- Electrical connection: Screws\u003c\/li\u003e \u003cli\u003e- Mounting: Compatible with DIN Rail and surface mounting methods; Mounting position: Vertical\u003c\/li\u003e \u003cli\u003e- Embedded surge suppressor: Yes (varistor)\u003c\/li\u003e \u003cli\u003e- Enclosure: No enclosure\u003c\/li\u003e \u003cli\u003e- Series\/Frame: SIRIUS 3RT20; Frame Size: S2\u003c\/li\u003e \u003cli\u003e- Dimensions (H×W×D): Dimensions are provided as approximate measurements based on product specifications\u003c\/li\u003e \u003cli\u003e- Rated voltage: Rated for operation up to 690 V AC within specified parameters\u003c\/li\u003e \u003cli\u003e- Full load current: Rated for continuous operation at indicated currents under normal conditions\u003c\/li\u003e \u003cli\u003e- Temperature range: Designed to operate within the specified temperature range\u003c\/li\u003e \u003cli\u003e- Power rating: Power ratings are based on standard test conditions and do not imply guaranteed performance under all circumstances\u003c\/li\u003e \u003cli\u003e- Mounting hole details: Diameter 0.20 in; hole spacing height 3.84 in; hole spacing width 1.77 in\u003c\/li\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":67624021065822,"sku":"3RT20371KB40","price":441.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/Z1x_5_ocpEx_46b9a7fc-7fde-4b23-98fe-66f61019838d.jpg?v=1791150763","url":"https:\/\/nationalboilersupply.com\/products\/siemens-3rt20371kb40-iec-magnetic-contactor-1-nc-1-no-24-v-dc-3-p-non-reversing-screw","provider":"National Boiler Supply","version":"1.0","type":"link"}