{"product_id":"siemens-jn423-100a-3p-240v-disconnect-switch","title":"Siemens JN423 Disconnect Switch, 100A, 3-Pole, 240V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens JN423 Disconnect Switch\u003c\/strong\u003e delivers dependable electrical isolation for industrial service, maintenance, and replacement projects. With a robust 100 A rating, a 3-pole configuration, and 240 V operation, it provides a reliable, clean disconnect point for three-phase systems.\u003c\/p\u003e \u003ch3\u003eWhy the JN423 stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eComplete triplex isolation: the 3-pole design ensures all three phases are safely disconnected during maintenance, reducing risk and allowing safer work environments.\u003c\/li\u003e \u003cli\u003eHigh-visibility suitability for industrial settings: built to endure routine service and replacement cycles in demanding manufacturing or processing facilities.\u003c\/li\u003e \u003cli\u003eClear electrical specification: 100 A current rating paired with 240 V operation makes it well-suited for motor feeds, control circuits, and power distribution in typical plant layouts.\u003c\/li\u003e \u003cli\u003ePart number clarity for compatibility: use JN423 to confirm fit with your application and mounting requirements, ensuring a precise match for your panel or enclosure.\u003c\/li\u003e \u003cli\u003eDesigned for straightforward integration: intended for industrial electrical service and maintenance applications where a reliable, accessible isolation point is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eService disconnects in control panels and machine rooms, enabling safe power shutdowns for routine maintenance or repairs.\u003c\/li\u003e \u003cli\u003eReplacement of aging or failed disconnect switches in motor circuits, drives, or power feeds during equipment upgrades.\u003c\/li\u003e \u003cli\u003eEmergency isolation in critical processing lines or manufacturing cells, providing rapid and reliable power disconnection when needed.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to verify compatibility\u003c\/h3\u003e\n\u003cp\u003eTo ensure a perfect fit, confirm that your application requires a 3-pole, 100 A, 240 V disconnect switch and that the JN423 part number aligns with your equipment’s mounting and wiring configuration. If you need assistance with part-number matching or compatibility checks, send us a message—we’re ready to help evaluate your setup and recommend the right fit.\u003c\/p\u003e \u003cp\u003eNote: Verify fit by part number and application requirements. This Siemens disconnect switch is purpose-built for industrial service, maintenance, and replacement projects, delivering reliable isolation when it matters most.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46416044064930,"sku":"JN423","price":460.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/siemens-jn423-100a-3p-240v-disconnect-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}