{"product_id":"square-d-h221nrb-disconnect-switch-10","title":"Square D H221NRB - 30A, Heavy Duty Safety Switch","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D H221NRB - 30A Heavy Duty Safety Switch\u003c\/strong\u003e is engineered for dependable electrical isolation in demanding industrial and commercial environments. This safety switch delivers a controlled, reliable disconnection under load, supporting rigorous lockout\/tagout procedures and minimizing downtime during maintenance.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSafe isolation for maintenance\u003c\/strong\u003e: Quickly and reliably disconnect power to equipment such as motors, pumps, conveyors, and HVAC systems, reducing risk during service work.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLockout\/tagout ready\u003c\/strong\u003e: Built to accommodate padlocks and tags, helping technicians comply with energy-control procedures and OSHA standards.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSolid 30A performance\u003c\/strong\u003e: Suited for medium-duty circuits in busy facilities, providing consistent operation and dependable protection for energized equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndustrial-grade durability\u003c\/strong\u003e: Designed to withstand the rigors of commercial and light industrial environments, delivering long-term reliability and reduced maintenance needs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStraightforward operation\u003c\/strong\u003e: Clear, intuitive on\/off actuation supports efficient workflows and minimizes downtime during routine servicing.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal for:\u003c\/strong\u003e plant managers, maintenance teams, electricians, and facility engineers who need a robust disconnect switch for motors, pumps, conveyors, and other energized loads.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical guidance for deployment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eEnsure the circuit and wiring are sized to the 30A rating for safe, code-compliant installation.\u003c\/li\u003e \u003cli\u003eMount in an appropriate enclosure with adequate clearance to maintain safe operation and allow proper lockout\/tagout access.\u003c\/li\u003e \u003cli\u003eIntegrate with established lockout\/tagout practices to reduce arc-flash risk and protect technicians during maintenance.\u003c\/li\u003e \u003cli\u003eVerify compatibility with your existing electrical system and follow the manufacturer’s installation guidelines for best results.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor a reliable, code-compliant disconnect that stands up to daily industrial use and prioritizes worker safety during maintenance, the Square D H221NRB 30A Heavy Duty Safety Switch is engineered to perform when it matters most.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default Title","offer_id":46383790194850,"sku":"H221NRB","price":610.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-h221nrb-30a-heavy-duty-safety-switch-756.webp?v=1788834925","url":"https:\/\/www.ampstate.com\/products\/square-d-h221nrb-disconnect-switch-10","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}