{"product_id":"siemens-jn423-100a-240v-3-pole-general-duty-safety-switch","title":"Siemens JN423 - 100A, 240V, 3-Pole, General-Duty, Safety Switch","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens JN423, a 100A, 240V, 3-Pole General-Duty Safety Switch designed for reliable on\/off isolation and overcurrent protection in demanding industrial and commercial environments. This compact, maintainable fusible switch delivers precise disconnect performance where space and serviceability matter most.\u003c\/p\u003e \u003cp\u003eKey features and benefits\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole, 240V operation\u003c\/strong\u003e supports standard three-phase motors and control circuits with a 100A rating, making it a practical fit for mid-size equipment rooms and panel assemblies.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGeneral-Duty robustness\u003c\/strong\u003e built to withstand routine industrial conditions, including vibrations and dust exposure typical of manufacturing floors and facilities rooms.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEasy on-site maintenance\u003c\/strong\u003e with a compact form factor that provides straightforward access to terminals for inspection and fuse replacement when needed.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile installation targets\u003c\/strong\u003e ideal for motor disconnects, panelboards, and branch circuits where a reliable, space-efficient safety switch is required.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOn\/off isolation with overcurrent protection\u003c\/strong\u003e ensures safe startup, servicing, and fault clearance, helping protect personnel and equipment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho should consider the JN423?\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eFacility managers and plant electricians outfitting electrical rooms with dependable three-phase safety switches.\u003c\/li\u003e \u003cli\u003eContractors seeking a compact disconnect solution for motor control centers, switchgear, or distribution panels.\u003c\/li\u003e \u003cli\u003eMaintenance teams that prioritize serviceability and clear isolation points for lockout\/tagout procedures.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical tips to maximize performance\u003c\/p\u003e\n\u003col\u003e \u003cli\u003eMatch the 100A current rating with your motor or circuit load and verify the 240V supply is compatible with your distribution panel.\u003c\/li\u003e \u003cli\u003eIf using fusible protection, ensure the appropriate fuse type and rating are selected for proper coordination and selective tripping.\u003c\/li\u003e \u003cli\u003eRoute conductors with adequate clearance and secure terminations to maintain reliable isolation and reduce heat buildup.\u003c\/li\u003e \u003cli\u003eKeep spare fuses and standard spare parts on hand to minimize downtime during routine maintenance or fuse changes.\u003c\/li\u003e\n\u003c\/ol\u003e \u003cp\u003eWith the Siemens JN423, you gain a dedicated safety switch that combines precise isolation, clear fault containment, and a compact footprint tailored for real-world industrial and commercial applications. Add it to your electrical install to simplify motor control, panelboard protection, and branch circuit safety in one dependable package.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390386917538,"sku":"JN423","price":450.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-jn423-100a-240v-3-pole-general-duty-safety-switch-184.webp?v=1788872532","url":"https:\/\/www.ampstate.com\/products\/siemens-jn423-100a-240v-3-pole-general-duty-safety-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}