{"product_id":"square-d-hu363nrb-100a-3p-600v-safety-switch","title":"Square D HU363NRB 100A 3P 600V Safety Switch, NEMA 3R, Fusible, Non-Fusible | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D HU363NRB—a rugged safety switch engineered for reliable equipment disconnect and isolation at the point of use. Built to perform in demanding environments, this 100 A, 3-pole switch provides a clear, safe path to disconnect power when maintenance or servicing is required, helping you protect personnel and equipment with confidence.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eMaker\u003c\/strong\u003e: Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number\u003c\/strong\u003e: HU363NRB\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 100 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEnclosure rating\u003c\/strong\u003e: NEMA 3R (outdoor-ready, rain and ice resistant)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConfiguration options\u003c\/strong\u003e: Fusible or Non-Fusible\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailability\u003c\/strong\u003e: Sold through AmpState\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat makes the HU363NRB unique\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFlexible protection configuration\u003c\/strong\u003e: Choose fusible or non-fusible operation to align with your protection scheme and maintenance strategy without swapping hardware.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOutdoor-ready, weatherproof design\u003c\/strong\u003e: NEMA 3R rating means dependable performance in exposed or damp environments, reducing concern for weather-related interruptions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDirect point-of-use isolation\u003c\/strong\u003e: Ideal for equipment disconnect at the source, enabling safer servicing and safer powered-down shutdowns on the line.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e BOM-aligned replacement\u003c\/strong\u003e: Selecting HU363NRB helps keep your bill of materials consistent with the original part number, simplifying spares management and procurement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProven compatibility\u003c\/strong\u003e: As a Square D part, it’s designed to integrate smoothly with related panels and switchgear, minimizing fitment surprises during retrofit or new installations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eOutdoor or harsh-environment equipment that requires a robust, field-ready disconnect switch\u003c\/li\u003e \u003cli\u003eReplacement projects where preserving the original BOM is critical for downtime planning and parts sourcing\u003c\/li\u003e \u003cli\u003eMaintenance operations requiring a clearly identifiable, safe off position at the point of use\u003c\/li\u003e \u003cli\u003eInstallation of new systems or retrofits in facilities where a reliable, 3-pole, 100 A disconnect is needed\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this matters for your project\u003c\/h3\u003e\n\u003cp\u003eThe HU363NRB delivers a concrete, everyday impact on reliability and maintenance efficiency. Its dual fusible\/non-fusible configuration lets you tailor protection to your specific circuit and downtime tolerance, while the 600 V rating supports a broad range of industrial applications. The NEMA 3R enclosure means fewer weather-related concerns, so technicians can perform disconnects confidently in outdoor or challenging environments. And because it’s part of the Square D family, you gain a predictable, compatible component that aligns with existing electrical drawings and spare inventories.\u003c\/p\u003e \u003ch3\u003ePractical tips for ordering and use\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify your existing BOM and order HU363NRB to maintain part-number continuity across replacements.\u003c\/li\u003e \u003cli\u003eConsider whether your circuit protection plan benefits from a fusible or non-fusible configuration, and select accordingly.\u003c\/li\u003e \u003cli\u003eIf you’re unsure about fit or compatibility, AmpState offers support to confirm the right choice for your panel and system.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Square D HU363NRB for dependable, at-the-source safety switching that supports straightforward maintenance, robust outdoor use, and BOM-consistent replacements—backed by AmpState’s availability and service.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46413671039138,"sku":"HU363NRB","price":810.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-hu363nrb-100a-3p-600v-safety-switch-nema-3r-fusible-non-494.webp?v=1789077127","url":"https:\/\/www.ampstate.com\/products\/square-d-hu363nrb-100a-3p-600v-safety-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}