{"product_id":"siemens-power-contactor-3-pole-size-s0-2no-2nc-25a","title":"Siemens Power contactor, 3-pole, size S0, 2NO + 2NC, 25A","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Siemens 3RT2026-1BB44 is a 3-pole power contactor from the SIRIUS 3RT2 series, size S0. It is rated for 25 A contact current and up to 11 kW at 400 V (AC-3), making it suitable for motor and general AC load switching in industrial automation. This variant includes a removable auxiliary-contact block with 2 NO + 2 NC auxiliary contacts, and uses 24 V DC coil control — providing flexible control and signalling options for machine-starter or control-circuit applications.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSIRIUS 3RT2 series power contactor — size S0\u003c\/li\u003e\n\u003cli\u003e3-pole main contacts for three-phase load switching\u003c\/li\u003e\n\u003cli\u003eMain contact rating: 25 A at 400 V AC (AC-3), 11 kW motor power\u003c\/li\u003e\n\u003cli\u003eAuxiliary contact block: 2 NO + 2 NC — enabling multiple control\/signalling functions\u003c\/li\u003e\n\u003cli\u003e24 V DC coil — compatible with standard DC control circuits\u003c\/li\u003e\n\u003cli\u003eRemovable auxiliary-contact block — simplifies maintenance and wiring changes\u003c\/li\u003e\n\u003cli\u003eScrew-terminal connections for secure wiring\u003c\/li\u003e\n\u003cli\u003eCompact size (S0) — saves space in control cabinets or motor-starter panels\u003c\/li\u003e\n\u003cli\u003eInsulation voltage 690 V, surge-voltage resistance 6 kV — robust for industrial environments\u003c\/li\u003e\n\u003cli\u003eMechanical endurance: up to 10 000 000 switching cycles — long operational life\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 3RT2026-1BB44\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Power contactor (3-pole, S0)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain Contact Rating (AC-3, 400 V):\u003c\/strong\u003e 25 A, 11 kW motor load\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuxiliary Contacts:\u003c\/strong\u003e 2 NO + 2 NC (removable block)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoil Voltage:\u003c\/strong\u003e 24 V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsulation Voltage:\u003c\/strong\u003e 690 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurge Voltage Resistance (main\/aux):\u003c\/strong\u003e 6 kV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e Screw terminals for main and auxiliary circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContactor Size:\u003c\/strong\u003e S0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Operational Current:\u003c\/strong\u003e 25 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Life (typical):\u003c\/strong\u003e 10,000,000 switching cycles\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\u003ePollution Degree:\u003c\/strong\u003e 3 (industrial environment suited)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e DIN-rail or panel mount as per SIRIUS 3RT2 design\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCompliance \u0026amp; Standards\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePart of Siemens SIRIUS 3RT2 industrial contactor range — IEC\/EN compliant for motor switching and general load control\u003c\/li\u003e\n\u003cli\u003eInsulation and surge-voltage ratings comply with industrial use requirements for electrical safety\u003c\/li\u003e\n\u003cli\u003eAuxiliary-contact block removable according to standard contactor modular design — suitable for maintenance or control-circuit modifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe 3RT2026-1BB44 is ideal for switching three-phase motors, pumps, fans, compressors, or general industrial loads up to 11 kW \/ 25 A. Its multiple auxiliary contacts make it suitable for control circuits requiring signalling, interlocks, or multiple outputs in machine-starter assemblies. The compact S0 size and reliable DC-coil control make it a solid choice for industrial machinery, automation panels, HVAC systems, and retrofit applications in control cabinets with limited space.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":40775035617344,"sku":"3RT2026-1BB44","price":2107.94,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/3662\/3424\/files\/3RT2026-1BB44.jpg?v=1765174486","url":"https:\/\/industrial.rubicon.tech\/products\/siemens-power-contactor-3-pole-size-s0-2no-2nc-25a","provider":"Rubicon Group Industrial Technology Shop","version":"1.0","type":"link"}