{"product_id":"square-d-qmb321tw-qmb-fusible-panelboard-switch-30a-240v-30-amp-3p-06h7pr8-co","title":"Square D QMB321TW QMB Fusible Panelboard Switch 30A 240V 30 Amp 3P #06H7PR8*CO","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D QMB321TW QMB Fusible Panelboard Switch—a compact, purpose-built protection device crafted for dependable electrical distribution in demanding environments. With a 30A, 240V, 3P configuration, it drops directly into QMB panelboards, simplifying upgrades, retrofits, and maintenance replacements where reliability matters most. Built by Square D for electricians, panel builders, and MRO teams, the QMB321TW delivers targeted protection in a tight footprint.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhat makes this fusible panelboard switch different?\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eIntegrated fusible protection\u003c\/strong\u003e reduces wiring complexity and improves protection coordination within your panelboard, helping you meet protection code requirements with fewer components.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design (3P)\u003c\/strong\u003e ensures balanced operation across all phases for safer isolation and enhanced reliability during load switching.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDirect compatibility with QMB panels\u003c\/strong\u003e means straightforward upgrades and consistent performance without custom wiring or adapters.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact footprint\u003c\/strong\u003e fits crowded switchgear enclosures, making retrofits and replacements easier in space-constrained facilities.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance-friendly replacement path\u003c\/strong\u003e minimizes downtime during service windows and inspections, so you stay up and running longer.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRugged, industrial-grade construction\u003c\/strong\u003e designed to withstand demanding environments found in industrial facilities, commercial buildings, and challenging residential sites.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 30A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePole:\u003c\/strong\u003e 3P\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer reference:\u003c\/strong\u003e #06H7PR8*CO\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e \u003cul\u003e \u003cli\u003ePanel upgrades in industrial facilities where reliable fusible protection simplifies protection schemes.\u003c\/li\u003e \u003cli\u003eRetrofit projects in commercial buildings that require dependable, easy-to-install protection components.\u003c\/li\u003e \u003cli\u003eMaintenance replacements to reduce downtime and keep distribution code-compliant.\u003c\/li\u003e \u003cli\u003eSpare-stock for MRO teams to accelerate service responses and minimize disruption.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoosing the QMB321TW means selecting a trusted Square D component designed to deliver consistent protection and straightforward installation. It’s more than a switch—it’s a practical, long-term part of your electrical distribution strategy, built to help you keep systems safe, compliant, and ready for tomorrow’s demands.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46395813101730,"sku":null,"price":743.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/panelboard_generic.png?v=1762425115","url":"https:\/\/www.ampstate.com\/products\/square-d-qmb321tw-qmb-fusible-panelboard-switch-30a-240v-30-amp-3p-06h7pr8-co","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}