{"product_id":"siemens-power-contactor-3-pole-1no-1nc-size-s0-400v-18-5kw-38a","title":"Siemens Power contactor, 3-pole, 1NO + 1NC, size S0,400V, 18.5kW, 38A","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Siemens 3RT2028-1AN20 is a high-performance power contactor from the SIRIUS 3RT2 series, designed for three-pole AC motor switching applications. It supports current ratings up to 38 A (AC-3) and covers a power rating of roughly 18.5 kW at 400 V, making it suitable for compact motor control systems and automation installations.\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) with screw terminal connection\u003c\/li\u003e\n\u003cli\u003eRated for AC-3 duty: 38 A at 400 V and approximately 18.5 kW at 400 V\u003c\/li\u003e\n\u003cli\u003eAuxiliary contacts: 1 normally open (NO) + 1 normally closed (NC) standard configuration\u003c\/li\u003e\n\u003cli\u003eDesigned for AC-3e \/ AC-3 operation in machinery and industrial motor starter applications\u003c\/li\u003e\n\u003cli\u003eCompact, rugged design with a high service life and wide ambient temperature range (–25 °C to +60 °C)\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\u003eProduct Series:\u003c\/strong\u003e Siemens SIRIUS 3RT2 Power Contactors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArticle Number:\u003c\/strong\u003e 3RT2028-1AN20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContactor Size:\u003c\/strong\u003e S0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain 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\u003eRated Operational Current (AC-3):\u003c\/strong\u003e 38 A at 400 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Power (AC-3, 400 V):\u003c\/strong\u003e ~18.5 kW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Insulation Voltage (Ui):\u003c\/strong\u003e 690 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Impulse Withstand Voltage (Uimp):\u003c\/strong\u003e 6 kV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmbient Temperature (Operating):\u003c\/strong\u003e –25 °C to +60 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight (Approx.):\u003c\/strong\u003e 0.426 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Altitude Max:\u003c\/strong\u003e 2 000 m above sea level\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 under Siemens industrial-automation quality standards for contactors\u003c\/li\u003e\n\u003cli\u003eConforms to IEC \/ EN standards for low-voltage motor switching devices\u003c\/li\u003e\n\u003cli\u003eRoHS-compliant and suitable for global industrial installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe 3RT2028-1AN20 contactor is ideal for use in control panels, motor starter units and automation systems where moderate-power three-phase motors (up to ~18.5 kW) need reliable, compact switching. Its size-S0 form, standard auxiliary contacts and wide temperature capability make it suitable for manufacturing machines, HVAC units and industrial feeders.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":40775095517248,"sku":"3RT2028-1AN20","price":1755.56,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/3662\/3424\/files\/3RT2028-1AN20.jpg?v=1761815591","url":"https:\/\/industrial.rubicon.tech\/products\/siemens-power-contactor-3-pole-1no-1nc-size-s0-400v-18-5kw-38a","provider":"Rubicon Group Industrial Technology Shop","version":"1.0","type":"link"}