{"product_id":"siemens-power-contactor-screw-terminal-4kw-400vac-24vdc","title":"Siemens Power contactor, screw terminal, 4Kw, 400VAC, 24VDC","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Siemens 3RT2023-1KB40 is a compact SIRIUS 3RT-series 3-pole power contactor (size S0) with a 24 V DC control coil and integrated varistor. It is designed for reliable switching of three-phase motors and loads up to 4 kW at 400 V AC. Its compact size, PLC-compatible coil and robust screw terminal connections make it ideal for use in industrial control cabinets and motor starter assemblies.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e3-pole power contactor, size S0\u003c\/li\u003e\n\u003cli\u003eRated AC-3\/AC-3e operational current: 9 A\u003c\/li\u003e\n\u003cli\u003eMotor switching capacity: 4 kW at 400 V (AC-3)\u003c\/li\u003e\n\u003cli\u003e24 V DC control coil, suitable for PLC outputs\u003c\/li\u003e\n\u003cli\u003eWide control voltage range: 0.7 – 1.25 × Uc\u003c\/li\u003e\n\u003cli\u003ePlug-in varistor for coil surge suppression\u003c\/li\u003e\n\u003cli\u003eIntegrated auxiliary contacts: 1 NO + 1 NC\u003c\/li\u003e\n\u003cli\u003eScrew terminals for main and auxiliary circuits\u003c\/li\u003e\n\u003cli\u003eCompact S0 frame size for space-saving installations\u003c\/li\u003e\n\u003cli\u003eNo additional auxiliary switch can be added\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 3RT2023-1KB40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Family:\u003c\/strong\u003e SIRIUS 3RT power contactors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame Size:\u003c\/strong\u003e S0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain Contact Configuration:\u003c\/strong\u003e 3 × NO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuxiliary Contacts:\u003c\/strong\u003e 1 NO + 1 NC (integrated)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Operational Current (AC-3 \/ AC-3e):\u003c\/strong\u003e 9 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Motor Power (AC-3 at 400 V):\u003c\/strong\u003e 4 kW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Operational Voltage:\u003c\/strong\u003e up to 690 V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Voltage:\u003c\/strong\u003e 24 V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Voltage Range:\u003c\/strong\u003e 0.7 … 1.25 × Uc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoil Suppression:\u003c\/strong\u003e Plug-in varistor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsulation Voltage (Ui):\u003c\/strong\u003e 690 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpulse Withstand Voltage (Uimp):\u003c\/strong\u003e 6 kV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Service Life:\u003c\/strong\u003e approx. 10,000,000 switching cycles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Endurance (AC-3):\u003c\/strong\u003e approx. 1,000,000 cycles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e Screw terminals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e DIN-rail or direct panel mounting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmbient Operating Temperature:\u003c\/strong\u003e −25 °C … +60 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e −40 °C … +80 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Class:\u003c\/strong\u003e IP20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNet Weight:\u003c\/strong\u003e approx. 0.34 kg\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 and manufactured according to IEC \/ EN standards for low-voltage contactors\u003c\/li\u003e\n\u003cli\u003eSuitable for PLC outputs and electronic control systems\u003c\/li\u003e\n\u003cli\u003eIntegrated surge suppression for industrial control environments\u003c\/li\u003e\n\u003cli\u003eDesigned for industrial, commercial, and automation applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Siemens 3RT2023-1KB40 is ideal for controlling three-phase motors and electrical loads in industrial automation systems. Typical applications include motor starters for pumps, fans, conveyors, compressors, and machine tools. Thanks to its compact S0 frame, PLC-compatible DC coil, and built-in auxiliary contacts, it is well suited for modern automation control panels, OEM machinery, and high-density motor control centers.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":40775067762752,"sku":"3RT2023-1KB40","price":1504.76,"currency_code":"ZAR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/3662\/3424\/files\/3RT2023-1KB40.jpg?v=1764162873","url":"https:\/\/industrial.rubicon.tech\/products\/siemens-power-contactor-screw-terminal-4kw-400vac-24vdc","provider":"Rubicon Group Industrial Technology Shop","version":"1.0","type":"link"}