{"product_id":"square-d-d323n-disconnect-switch-10","title":"Square D D323N - 100A, 240V, 3-Pole, Fused Safety Switch","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D D323N is a purpose-built, industrial-grade Fused Safety Switch that delivers safe electrical isolation for demanding 3-phase systems. With a 100A rating and 240V operation, this 3-Pole disconnect is designed to provide dependable, under-load disconnection while supporting proper lockout\/tagout procedures. It’s the trusted choice for facilities that require reliable isolation, consistent performance, and long-term durability in busy electrical rooms and equipment spaces.\u003c\/p\u003e \u003ch3\u003eWhy the D323N stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole fused design\u003c\/strong\u003e delivers robust isolation for 3-phase circuits, helping protect personnel and equipment during maintenance or troubleshooting.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e100A continuous rating at 240V\u003c\/strong\u003e supports mid-to-large industrial loads such as motors, conveyors, and processing equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLockout\/tagout readiness\u003c\/strong\u003e facilitates safe servicing, ensuring circuits remain de-energized during maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUnder-load disconnection\u003c\/strong\u003e capability minimizes arcing and ensures a clean, controlled break in the circuit when switching.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable, industry-ready construction\u003c\/strong\u003e designed to stand up to daily use in commercial and industrial environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications and use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMachine and line isolation in manufacturing floors where three-phase power drives equipment\u003c\/li\u003e \u003cli\u003eService disconnects for motors, pumps, fans, and conveyors requiring reliable de-energization\u003c\/li\u003e \u003cli\u003eMaintenance shutoffs in electrical rooms, mezzanines, and equipment cabinets\u003c\/li\u003e \u003cli\u003eSafety-first control points where lockout\/tagout procedures are standard practice\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow this model fits into your electrical safety plan\u003c\/h3\u003e\n\u003cp\u003eThe D323N is built to support a thorough safety workflow: isolate the circuit, apply lockout\/tagout, verify non-energized status, perform maintenance, then restore power. By combining disconnection with fuse-based protection in a single unit, it reduces the risk of accidental energization and provides a clear point of reliability for electricians conducting routine servicing.\u003c\/p\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrong amperage rating:\u003e 100A\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Fused Safety Switch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e D323N\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips for installation and maintenance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePlan the installation path to ensure easy access for lockout\/tagout procedures and routine inspections.\u003c\/li\u003e \u003cli\u003eVerify circuit ratings align with the 100A, 240V specifications to ensure safe and reliable operation.\u003c\/li\u003e \u003cli\u003eIncorporate the switch into your control scheme as a dedicated service disconnect point for three-phase equipment.\u003c\/li\u003e \u003cli\u003eRegularly inspect the switching contacts and enclosure integrity as part of your preventive maintenance program.\u003c\/li\u003e \u003cli\u003eFollow your facility’s lockout\/tagout policy when performing servicing to maintain compliance and personnel safety.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default Title","offer_id":46383772500130,"sku":"D323N","price":610.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/disconnect_switches_generic_b5fa51c8-657c-4002-9af0-d478db15bf42.png?v=1765254082","url":"https:\/\/www.ampstate.com\/products\/square-d-d323n-disconnect-switch-10","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}