{"product_id":"siemens-power-contactor-3-pole-1no-1nc-size-s0-18-5kw","title":"Siemens Power contactor, 3 pole, 1NO + 1NC, size S0, 18.5KW","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Siemens 3RT2028-1FB40 is a SIRIUS 3RT2 series size S0 power contactor, configured for 3-pole switching of AC motors and loads. It is rated for a continuous current of 38 A at 400 V AC (AC-3) and a power rating of 18.5 kW in that condition. The coil is 24 V DC and includes an integrated diode, and the unit has auxiliary contacts for indication and control.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePower contactor from the Siemens SIRIUS 3RT2 product line, size S0\u003c\/li\u003e\n\u003cli\u003e3-pole switching for standard three-phase motor circuits\u003c\/li\u003e\n\u003cli\u003eRated operational current AC-3: 38 A at 400 V AC\u003c\/li\u003e\n\u003cli\u003eRated power: 18.5 kW at 400 V AC (AC-3)\u003c\/li\u003e\n\u003cli\u003eControl coil: 24 V DC with integrated diode for suppression\u003c\/li\u003e\n\u003cli\u003eAuxiliary contacts: 1 NO + 1 NC for signaling and control feedback\u003c\/li\u003e\n\u003cli\u003eScrew-type terminals for secure wiring in industrial environments\u003c\/li\u003e\n\u003cli\u003eCompact size S0 for efficient panel or DIN-rail mounting\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 SIRIUS 3RT2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArticle Number:\u003c\/strong\u003e 3RT2028-1FB40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize Designation:\u003c\/strong\u003e S0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain Contacts:\u003c\/strong\u003e 3 × Normally Open (NO)\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 AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Power (AC-3):\u003c\/strong\u003e 18.5 kW at 400 V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Supply Voltage:\u003c\/strong\u003e 24 V DC (coil)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurge Withstand Voltage (Ui):\u003c\/strong\u003e 690 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Service Life:\u003c\/strong\u003e ~10 000 000 operations\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\u003eManufactured by Siemens under the SIRIUS line of power switching devices\u003c\/li\u003e\n\u003cli\u003eConforms to IEC\/EN 60947-4-1 for contactors and motor-control equipment\u003c\/li\u003e\n\u003cli\u003eDesigned for robust industrial usage with auxiliary signaling and compact size\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eIdeal for three-phase motor control, feeders and power distribution in industrial automation systems, manufacturing machines, HVAC units, and general mechanical equipment. The 3RT2028-1FB40 is particularly suitable where a compact size S0 contactor with integrated diode, auxiliary contacts and strong current\/power rating is required.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":40775084998720,"sku":"3RT2028-1FB40","price":3117.46,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/3662\/3424\/files\/3RT2028-1FB40.jpg?v=1762945751","url":"https:\/\/industrial.rubicon.tech\/products\/siemens-power-contactor-3-pole-1no-1nc-size-s0-18-5kw","provider":"Rubicon Group Industrial Technology Shop","version":"1.0","type":"link"}