{"product_id":"jn-423-100a-240v-3-phase-switch","title":"JN-423 - 100A, 240V, 3-Phase, Switch","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the JN-423 — a robust 100A, 240V, 3‑Phase switch built for the realities of industrial and commercial electrical work. This fusible switch delivers reliable on\/off isolation and dependable overcurrent protection in environments where uptime and safety matter, from busy manufacturing floors to utility rooms.\u003c\/p\u003e \u003cp\u003eWith a compact, maintainable design, the JN-423 fits where space is at a premium and serviceability is key. It works as a motor disconnect, protects branch circuits, and integrates cleanly into panelboards, reducing wiring complexity while improving fault response.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e JN-423\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 100A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhase:\u003c\/strong\u003e 3-Phase\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection type:\u003c\/strong\u003e Fusible switch designed for reliable overcurrent protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdeal for:\u003c\/strong\u003e motor disconnects, panelboards, and branch circuit protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign benefits:\u003c\/strong\u003e compact footprint, maintainable construction, straightforward servicing\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy it matters: in any system with motors or heavy loads, an efficient disconnect and protective device is essential. The JN-423 minimizes downtime by providing a clean, decisive isolation point and prevents damage from overloads. Its three-phase configuration ensures balanced switching across all lines, improving safety and reliability in three-phase circuits.\u003c\/p\u003e \u003cp\u003ePractical use cases:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMotor control centers and equipment rooms requiring a reliable disconnect that also protects circuits\u003c\/li\u003e\n\u003cli\u003ePanelboard assemblies where space is limited but protection cannot be compromised\u003c\/li\u003e\n\u003cli\u003eBranch circuit protection in industrial machinery, pumps, conveyors, and HVAC systems\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho benefits most: electrical engineers, maintenance technicians, plant managers, and electrical contractors who value a single, integrated solution for switching and protection.\u003c\/p\u003e \u003cp\u003eChoosing the JN-423 means choosing a purpose-built solution that simplifies installations, speeds servicing, and provides trusted protection for demanding environments. Ready to upgrade your electrical infrastructure with a compact, 3-phase, 100A fusible switch? The JN-423 is a practical, resilient choice for reliable isolation and protection.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390377382050,"sku":"JN-423","price":516.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/fusible_disconnect_generic_4581062e-05f8-4c4b-9295-3c4ac8e22077.png?v=1765369571","url":"https:\/\/www.ampstate.com\/products\/jn-423-100a-240v-3-phase-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}