{"product_id":"square-d-h363nrb-100a-600v-3-phase-safety-switch","title":"Square D H363NRB - 100A, 600V, 3-Phase, Safety Switch","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D H363NRB\u003c\/strong\u003e is a rugged 100A, 600V, 3-Phase Safety Switch designed for dependable on\/off isolation and overcurrent protection in demanding industrial and commercial environments.\u003c\/p\u003e \u003cp\u003eBuilt to function as a motor disconnect, a distribution point for panelboards, or branch-circuit protection, this compact fusible switch delivers reliable performance where space is at a premium. The H363NRB combines a robust safety mechanism with straightforward maintainability, making routine servicing and fuse replacement quick and simple in busy electrical rooms.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e H363NRB\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 100 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePhase:\u003c\/strong\u003e 3-Phase\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Safety switch with on\/off isolation and overcurrent protection\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Compact, maintainable fusible switch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Motor disconnects, panelboards, branch circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIn environments where space is tight but reliability cannot be compromised, the H363NRB provides a dedicated isolation point for motor-driven equipment and critical circuits. This enables safe maintenance windows, reduces downtime, and helps keep downstream equipment protected from overloads.\u003c\/p\u003e \u003ch3\u003eWho benefits most\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eFacilities engineers and maintenance teams in manufacturing, processing plants, and large commercial buildings\u003c\/li\u003e \u003cli\u003eElectrical contractors and system integrators working on motor control centers and distribution panels\u003c\/li\u003e \u003cli\u003eOperations managers seeking dependable, 3-phase isolation with integrated protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this model stands out\u003c\/h3\u003e\n\u003cp\u003eWith a 100 A rating and 600 V three-phase capability in a compact form, the H363NRB delivers a space-efficient solution for motor disconnects and panelboard protection without sacrificing performance. The fusible switch design consolidates disconnect and overcurrent protection, simplifying wiring and reducing the number of components in your switchgear assembly.\u003c\/p\u003e \u003ch3\u003ePractical tips for installation and use\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eConfirm that your supply is three-phase and does not exceed 600 V, with a load current within 100 A\u003c\/li\u003e \u003cli\u003ePlan for a fusible disconnect configuration and select the appropriate protective fuses to match the 100 A rating\u003c\/li\u003e \u003cli\u003ePosition the switch so the handle is easily reachable and the status is clearly visible during maintenance\u003c\/li\u003e \u003cli\u003eUse as a dedicated motor disconnect or as a reliable point of protection for branch circuits within panelboards\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eEnhance your electrical distribution with the Square D H363NRB—where dependable isolation meets streamlined protection for demanding 3-phase systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390336487586,"sku":"H363NRB","price":2627.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/fusible_disconnect_generic_0b739769-e394-4c04-bd87-28fd8f15bf53.png?v=1765368304","url":"https:\/\/www.ampstate.com\/products\/square-d-h363nrb-100a-600v-3-phase-safety-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}