{"product_id":"siemens-power-contactor-ac-3-3-pole-1no-1nc-size-s2-30kw","title":"Siemens Power contactor AC-3, 3-pole, 1NO+1NC, size S2, 30kW","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eSiemens Power Contactor AC-3, 3-pole, 1NO+1NC, Size S2, 30 kW — the 3RT2037-1AL20 is a SIRIUS 3RT2 power contactor designed for switching and controlling three-phase motors and industrial loads. Equipped with a 230 V AC coil and rated for AC-3 operation up to 65 A at 400 V, it provides robust, reliable performance in motor starter combinations, automation panels, and industrial machinery. Its compact S2 design, integrated auxiliary contacts, and high switching endurance make it suitable for demanding electrical environments.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSiemens SIRIUS 3RT2 power contactor for AC-3 motor switching\u003c\/li\u003e\n\u003cli\u003e3-pole configuration for three-phase applications\u003c\/li\u003e\n\u003cli\u003eIntegrated auxiliary contacts: 1 NO + 1 NC\u003c\/li\u003e\n\u003cli\u003eRated motor power: 30 kW at 400 V AC\u003c\/li\u003e\n\u003cli\u003eRated operational current (AC-3): 65 A\u003c\/li\u003e\n\u003cli\u003eCoil voltage: 230 V AC, 50\/60 Hz\u003c\/li\u003e\n\u003cli\u003eCompact size S2 for efficient control panel installation\u003c\/li\u003e\n\u003cli\u003eHigh mechanical durability for long service life\u003c\/li\u003e\n\u003cli\u003eScrew terminals for secure conductor connection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eArticle Number:\u003c\/strong\u003e 3RT2037-1AL20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Family:\u003c\/strong\u003e SIRIUS 3RT2 Contactors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuxiliary Contacts:\u003c\/strong\u003e 1 NO + 1 NC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoil Voltage:\u003c\/strong\u003e 230 V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Operational Current (AC-3):\u003c\/strong\u003e 65 A at 400 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Motor Power:\u003c\/strong\u003e 30 kW at 400 V \/ 18.5 kW at 230 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Insulation Voltage:\u003c\/strong\u003e 690 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurge Withstand Voltage:\u003c\/strong\u003e 6 kV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame Size:\u003c\/strong\u003e S2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e Screw terminals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Endurance:\u003c\/strong\u003e approx. 10 million operations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Endurance:\u003c\/strong\u003e Industrial-rated switching cycles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e DIN rail or panel mounting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature Range:\u003c\/strong\u003e −25 °C to +60 °C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCompliance \u0026amp; Certifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned according to IEC 60947 for low-voltage switching devices\u003c\/li\u003e\n\u003cli\u003eMeets Siemens SIRIUS standards for industrial durability and reliability\u003c\/li\u003e\n\u003cli\u003eSuitable for global AC-3 motor switching applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Siemens 3RT2037-1AL20 is ideal for switching and controlling motors, pumps, fans, compressors, and industrial loads in automation systems, machinery, and commercial installations. Its auxiliary contacts support signalling and interlocking, while the robust S2 frame ensures consistent operation in harsh industrial environments.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":40775032569920,"sku":"3RT2037-1AL20","price":4059.24,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/3662\/3424\/files\/G_IC03_XX_08822I_7cf90258-835d-48ce-8aca-781b038d6e71.jpg?v=1765454076","url":"https:\/\/industrial.rubicon.tech\/products\/siemens-power-contactor-ac-3-3-pole-1no-1nc-size-s2-30kw","provider":"Rubicon Group Industrial Technology Shop","version":"1.0","type":"link"}