{"product_id":"square-d-h363n-100a-600v-fusible-safety-switch-nema-1","title":"Square D H363N - 100A, 600V, Fusible, Safety Switch, NEMA 1","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D H363N—a rugged, indoor-rated fusible safety switch engineered for dependable power isolation and precise overcurrent protection in challenging industrial and commercial settings. With a 100A rating and 600V capacity, this NEMA 1 enclosure keeps dust and debris out while delivering a straightforward, maintainable solution for demanding electrical distributions.\u003c\/p\u003e \u003ch3\u003eWhy the H363N stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFusible protection tailored for reliability\u003c\/strong\u003e—integrated fuse protection helps safeguard motors, feeders, and branch circuits, reducing the risk of costly damage from overloads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact, serviceable design\u003c\/strong\u003e—built to fit into constrained spaces without compromising accessibility, with a design that makes fuse replacement and maintenance streamlined.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear isolation and status\u003c\/strong\u003e—manual on\/off control paired with robust enclosure integrity provides dependable disconnection for safe servicing and troubleshooting.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndoor-grade durability\u003c\/strong\u003e—NEMA 1 enclosure is well-suited for indoor environments where protection from dust and incidental contact matters most.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e H363N\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 100A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEnclosure rating:\u003c\/strong\u003e NEMA 1\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFusible:\u003c\/strong\u003e Fusible\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMotor disconnects in conveyors, pumps, or processing equipment where reliable shutoff is essential for maintenance and safety\u003c\/li\u003e \u003cli\u003eFeeders for panelboards or subpanels that require fast-acting overcurrent protection with a maintainable fuse approach\u003c\/li\u003e \u003cli\u003eBranch circuit protection in compact electrical rooms or mezzanines where space and ease of service are priorities\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow it protects your system\u003c\/h3\u003e\n\u003cp\u003eThe H363N provides a clean, deliberate path to disconnect power when overload conditions occur. The fusible element acts as a precise current limiter, while the switch offers a straightforward mechanism to isolate the circuit for service. Together, they help minimize arc-flash exposure during fuse changes and keep critical equipment safe when routine maintenance or emergency shuts are required.\u003c\/p\u003e \u003ch3\u003ePractical tips for installation and maintenance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePlace the switch in a readily accessible indoor location to ensure quick de-energization during service calls.\u003c\/li\u003e \u003cli\u003eUse the specified 100A, 600V rating to select compatible conductors and protection ahead of the safety switch.\u003c\/li\u003e \u003cli\u003eInspect the enclosure for dust buildup and perform timely fuse replacements with the correct ampere rating to maintain protection integrity.\u003c\/li\u003e \u003cli\u003eDocument servicing intervals and fuse types used to support future maintenance planning and electrical reliability.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for electricians, facility engineers, and panel builders who demand dependable isolation and targeted protection without unnecessary complexity, the Square D H363N Fusible Safety Switch quietly handles everyday power control with professional-grade durability. It’s the practical choice when you need a compact, maintainable solution that keeps critical equipment safeguarded in busy industrial and commercial environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390416343202,"sku":"H363N","price":1228.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/fusible_disconnect_generic_72410006-e511-4a4b-933e-b45dc674d693.png?v=1765370638","url":"https:\/\/www.ampstate.com\/products\/square-d-h363n-100a-600v-fusible-safety-switch-nema-1","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}