{"product_id":"siemens-jn-424-200a-240v-3-phase-switch-nema-1","title":"Siemens JN-424 - 200A, 240V, 3-Phase, Switch, NEMA 1","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens JN-424\u003c\/strong\u003e is a robust 200A, 240V, 3‑Phase switch engineered for dependable on\/off isolation and overcurrent protection in demanding industrial and commercial environments. Built to keep critical equipment running, this NEMA 1 unit delivers safe, straightforward control where reliability matters most.\u003c\/p\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e JN-424\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 200 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePhase:\u003c\/strong\u003e 3‑Phase\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNEMA Rating:\u003c\/strong\u003e NEMA 1 (indoor enclosure)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e On\/off isolation with overcurrent protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this JN-424 stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrongcompact maintainable fusible switch design:\u003e The JN-424 is crafted for quick service and reliable field maintenance, reducing downtime during inspections and replacements.\u003c\/strongcompact\u003e\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-duty 3‑phase performance:\u003c\/strong\u003e Supports demanding 3‑phase loads, making it ideal for motor circuits, panelboards, and branch feeders in busy facilities.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndoors reliability with trusted Siemens build:\u003c\/strong\u003e NEMA 1 enclosure provides solid protection in indoor environments where clean, controlled conditions prevail.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear isolation and protection:\u003c\/strong\u003e Combines safe disconnection with overcurrent protection to protect motors, switches, and wiring from faults.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMotor disconnects on conveyors, pumps, fans, and other heavy loads in manufacturing or processing plants.\u003c\/li\u003e \u003cli\u003eMain or branch circuit protection in panelboards where space is at a premium and serviceability matters.\u003c\/li\u003e \u003cli\u003eIndoor electrical installations that require a compact, easy-to-maintain 3‑phase switching solution.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat problems it solves\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePrevents equipment damage by providing reliable isolation during maintenance or fault conditions.\u003c\/li\u003e \u003cli\u003eStreamlines servicing with a design that supports straightforward inspection and replacement of components.\u003c\/li\u003e \u003cli\u003eReduces downtime on critical lines by offering fast, dependable disconnection for emergency and routine operations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips for getting the most out of your JN-424\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify compatibility with your existing panelboard footprint and mounting provisions to ensure a seamless retrofit.\u003c\/li\u003e \u003cli\u003ePlan wiring routes with clear labeling to simplify future maintenance and safety checks.\u003c\/li\u003e \u003cli\u003eSchedule periodic inspection of terminals and enclosure integrity to maintain optimal protection and performance.\u003c\/li\u003e \u003cli\u003eUse appropriate 3‑phase conductors rated for 200 A and 240 V, following local electrical codes and Siemens guidelines.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUpgrade your electrical safety and uptime with the Siemens JN-424—a purpose-built, 200A, 240V, 3‑Phase switch that pairs dependable isolation with practical, maintainable design for indoor applications. If you’re configuring motor disconnects, panelboard feeds, or branch circuit protection in a demanding environment, this NEMA 1 switch delivers the performance and reliability that your operation depends on.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390414999714,"sku":"JN-424","price":795.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/fusible_disconnect_generic_5fdd38d3-8c0e-4711-9e31-e53d181facde.png?v=1765370621","url":"https:\/\/www.ampstate.com\/products\/siemens-jn-424-200a-240v-3-phase-switch-nema-1","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}