{"product_id":"square-d-d-323n-disconnect-switch","title":"Square D D-323N - 100A, 240V, 3-Pole, Fused Disconnect Switch","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D D-323N 100A, 240V, 3-Pole Fused Disconnect Switch is engineered for dependable electrical isolation in demanding industrial and commercial environments. It combines a robust fused disconnect with precise, safe switching to keep systems protected and maintenance teams safe. Designed to support lockout\/tagout procedures, this switch helps operators control energy safely during servicing while ensuring reliable disconnection under load for long-term durability.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 100A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Fused Disconnect 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 D-323N\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy the Square D D-323N stands out\u003c\/h3\u003e\n\u003cp\u003eIn environments where motor loads, conveyors, pumps, and heavy equipment demand reliable isolation, the D-323N delivers. The fused design provides an extra layer of protection, reducing fault propagation and safeguarding both equipment and personnel. The 3-Pole configuration ensures all three phases are simultaneously disconnected, preventing unbalanced conditions during maintenance. Built with durability in mind, it’s designed to endure daily operations in busy facilities while maintaining consistent performance over time.\u003c\/p\u003e \u003ch3\u003eKey benefits and practical outcomes\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eEnhanced safety during service:\u003c\/strong\u003e Integrated lockout\/tagout compatibility lets technicians securely de-energize equipment before work begins.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable load disconnection:\u003c\/strong\u003e Fusing ensures clean, dependable isolation even under startup transients or fault conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-phase protection:\u003c\/strong\u003e The 3-Pole design safeguards all conductors in a 3-phase system, preventing partial energization.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable industrial build:\u003c\/strong\u003e Ready for demanding environments where uptime matters and replacements are costly.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSeamless integration:\u003c\/strong\u003e Compatible with standard electrical enclosures and service configurations that support Square D solutions.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications\u003c\/h3\u003e\n\u003cp\u003eThe Square D D-323N is well-suited for facilities that require reliable isolation for motors, pumps, conveyors, compressors, and other three-phase equipment. It’s an excellent choice for service disconnects, motor control centers, and maintenance sections where safe, lockable energy isolation is essential.\u003c\/p\u003e \u003ch3\u003eHow it solves common problems\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eProblem:\u003c\/strong\u003e Unreliable shutdown during maintenance. \u003cstrong\u003eSolution:\u003c\/strong\u003e A fuse-backed disconnect that guarantees a solid, observable off-condition when opened.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProblem:\u003c\/strong\u003e Energy hazards during servicing. \u003cstrong\u003eSolution:\u003c\/strong\u003e Built-in support for lockout\/tagout ensures the system cannot be re-energized accidentally.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProblem:\u003c\/strong\u003e Inconsistent protection in 3-phase lines. \u003cstrong\u003eSolution:\u003c\/strong\u003e 3-Pole switching guarantees all phases are isolated together, avoiding partial energization.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTips for optimal use\u003c\/h3\u003e\n\u003cp\u003eVerify that your installation matches the 100A, 240V, 3-Pole specifications of the D-323N. When planning maintenance, implement lockout\/tagout procedures and ensure the disconnect is readily accessible to authorized personnel. Schedule periodic inspections of the disconnect’s terminals and fuse elements to maintain dependable performance over time.\u003c\/p\u003e \u003cp\u003eWith the Square D D-323N, you’re choosing a trusted, purpose-built solution for safe, reliable electrical isolation in demanding environments. It’s not just a disconnect switch—it’s a proactive safeguard for people, equipment, and uptime.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default Title","offer_id":46383490400418,"sku":"D-323N","price":410.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/disconnect_switches_generic_d6243fff-321b-4525-a5f2-823419af641b.png?v=1765249501","url":"https:\/\/www.ampstate.com\/products\/square-d-d-323n-disconnect-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}