{"product_id":"siemens-3rt20371kb443ma0-contactor-s2","title":"Siemens 3RT20371KB443MA0 Contactor S2","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe SIEMENS 3RT20371KB443MA0 is a Size S2 three-phase power contactor designed for motor control and load switching in industrial electrical systems. It functions by opening and closing the main power circuit in response to a control signal, protecting motors and downstream equipment from unintended energization. Licensed electricians and industrial maintenance technicians install this type of contactor in motor control centers, panel boards, and machine control enclosures. The S2 frame size indicates a mid-range current capacity suitable for moderate-horsepower motor loads in commercial and light industrial applications.\u003c\/p\u003e\n\u003cp\u003eThis contactor is suited for three-phase motor starting and switching applications in commercial and industrial environments. Typical installation scenarios include motor control centers, HVAC equipment panels, pump control panels, and conveyor drive systems where reliable, repeatable switching of inductive loads is required. Its compact S2 footprint fits standard DIN-rail and panel mounting configurations common in industrial control cabinets.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSize S2 frame for mid-range motor control applications\u003c\/li\u003e\n  \u003cli\u003eThree-phase power switching for motor and resistive load circuits\u003c\/li\u003e\n  \u003cli\u003eCompact form factor compatible with standard industrial control enclosures\u003c\/li\u003e\n  \u003cli\u003eDesigned for DIN-rail or panel-mount installation\u003c\/li\u003e\n  \u003cli\u003ePackaged as a single unit ready for direct installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement or direct-install contactor for industrial motor control applications requiring an S2 size three-phase contactor. Consult the equipment nameplate and wiring diagram to confirm coil voltage and contact rating compatibility before installation.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a qualified electrician in accordance with the National Electrical Code (NEC) and any applicable local codes. De-energize and lock out the full panel before removing the existing contactor or installing this unit. Verify that the control coil voltage matches the available control circuit voltage before making connections. Do not exceed the rated current and voltage limits specified on the contactor nameplate.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame Size\u003c\/strong\u003e: S2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions (L x W x H)\u003c\/strong\u003e: 7.402 inches x 5.157 inches x 3.150 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 2.676 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity per Pack\u003c\/strong\u003e: 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC\u003c\/strong\u003e: 80476617105\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: SIEMENS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 3RT20371KB443MA0\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SIEMENS","offers":[{"title":"Default Title","offer_id":51383562797362,"sku":"3RT20371KB443MA0","price":929.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/312677701.jpg?v=1782600616","url":"https:\/\/voomisupply.com\/products\/siemens-3rt20371kb443ma0-contactor-s2","provider":"Voomi Supply","version":"1.0","type":"link"}