{"product_id":"square-d-h363rb-disconnect-switch-6","title":"Square D H363RB - 100A, 600V, 3-Pole, Fused Disconnect Switch","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D H363RB fused disconnect switch delivers dependable, fuse‑protected electrical isolation for demanding industrial and commercial environments. Designed to support proper lockout\/tagout (LOTO) procedures and to interrupt fault currents under load, this 3‑pole unit combines safety, reliability, and long‑term durability in a compact, rugged package. With a 100A rating, 600V capability, and a NEMA 3R enclosure, it’s built to perform where weather, dust, and heavy use are factors.\u003c\/p\u003e \u003ch3\u003eWhy the Square D H363RB stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFuse‑protected isolation:\u003c\/strong\u003e Provides controlled disconnection with protective fusing, helping limit fault currents and safeguard downstream equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree‑pole design:\u003c\/strong\u003e Ensures true three‑phase isolation, improving safety and reliability for motors and line loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V rating, 100A capacity:\u003c\/strong\u003e Suitable for a wide range of commercial and light industrial equipment without oversizing the switch.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNEMA 3R enclosure:\u003c\/strong\u003e Weather‑ and impact‑resistant enclosure ideal for indoor\/outdoor installations, protecting components in harsh environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLOTO compatibility:\u003c\/strong\u003e Engineered to facilitate lockout\/tagout procedures, supporting compliant safety practices in maintenance and service work.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications and use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMotor control circuits for pumps, fans, conveyors, and HVAC equipment.\u003c\/li\u003e \u003cli\u003eOutdoor electrical feeders and processing lines where weather resistance matters.\u003c\/li\u003e \u003cli\u003eMaintenance stations and service entries that require rapid, safe isolation during servicing.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 100A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of poles:\u003c\/strong\u003e 3‑Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEnclosure rating:\u003c\/strong\u003e NEMA 3R\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Fused Disconnect Switch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand\/model:\u003c\/strong\u003e Square D H363RB\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips for installation and operation\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePair with the appropriate fuses specified for your system to ensure optimal protection and performance.\u003c\/li\u003e \u003cli\u003eMount in a location that complies with local electrical codes and provides easy access for safe operation and LOTO procedures.\u003c\/li\u003e \u003cli\u003eUse only with compatible gear in a three‑phase distribution setup to maintain proper balance and safe shutdown behavior.\u003c\/li\u003e \u003cli\u003eRegularly inspect the enclosure and connections for signs of wear, moisture ingress, or corrosion to preserve NEMA 3R integrity.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eReady to upgrade your safety‑critical isolation? The Square D H363RB delivers reliable, code‑compliant disconnect capability that technicians trust for daily operations and maintenance.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default Title","offer_id":46383786393762,"sku":"H363RB","price":1810.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/disconnect_switches_generic_43292ca4-8fa0-4f99-b298-431e95293669.png?v=1765254448","url":"https:\/\/www.ampstate.com\/products\/square-d-h363rb-disconnect-switch-6","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}