{"product_id":"siemens-power-contactor-3-pole-1no-1nc-size-s2-18-5kw","title":"Siemens Power contactor 3-pole, 1NO + 1NC, size S2, 18.5kW","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, 18.5 kW — the 3RT2035-1AL20 is a SIRIUS 3RT2 series power contactor designed for dependable switching and control of three-phase motors and industrial loads. With a 230 V AC coil and AC-3 rated operational current of 50 A at 400 V, it offers efficient performance in motor starter circuits, automation panels, and general load switching applications. Its integrated auxiliary contacts and compact S2 package deliver reliable operation for industrial control systems.\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 optimized for AC-3 motor switching\u003c\/li\u003e\n\u003cli\u003e3-pole design for complete three-phase control\u003c\/li\u003e\n\u003cli\u003eIntegrated auxiliary contacts: 1 NO + 1 NC\u003c\/li\u003e\n\u003cli\u003eRated motor power up to 18.5 kW at 400 V AC\u003c\/li\u003e\n\u003cli\u003eRated operational current (AC-3): 50 A\u003c\/li\u003e\n\u003cli\u003eCoil voltage: 230 V AC, suitable for 50\/60 Hz supply\u003c\/li\u003e\n\u003cli\u003eCompact S2 frame size for space-efficient installation\u003c\/li\u003e\n\u003cli\u003eHigh mechanical endurance for industrial use\u003c\/li\u003e\n\u003cli\u003eScrew-terminal connections for secure wiring\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 3RT2035-1AL20\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 50 A at 400 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Motor Power:\u003c\/strong\u003e 18.5 kW at 400 V \/ 11 kW at 230 V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame Size:\u003c\/strong\u003e S2\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 Voltage Withstand:\u003c\/strong\u003e 6 kV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e Screw terminals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Service Life:\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\u003eAmbient Operating Temperature:\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 standards for low-voltage contactors\u003c\/li\u003e\n\u003cli\u003eMeets Siemens SIRIUS industrial performance requirements\u003c\/li\u003e\n\u003cli\u003eSuitable for global three-phase 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 3RT2035-1AL20 is suitable for switching and control of three-phase motors, pumps, fans, compressors, and general loads in industrial automation, machine control panels, and commercial electrical installations. Its integrated auxiliary contacts provide signalling and interlock capabilities, while the compact, robust S2 design ensures consistent operation in demanding environments.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":40775032537152,"sku":"3RT2035-1AL20","price":1850.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/3662\/3424\/files\/G_IC03_XX_08822I_8721702e-f757-435b-a42d-849003b9f1b2.jpg?v=1765454074","url":"https:\/\/industrial.rubicon.tech\/products\/siemens-power-contactor-3-pole-1no-1nc-size-s2-18-5kw","provider":"Rubicon Group Industrial Technology Shop","version":"1.0","type":"link"}