{"product_id":"qmqb4022-400a-240v-2-pole-fusible-switch","title":"QMQB4022 - 400A, 240V, 2-Pole, Fusible, Switch","description":"\u003cdiv\u003e\n\u003cp\u003eQMQB4022 is a rugged 2-pole fusible switch engineered for dependable on\/off isolation and precise overcurrent protection in demanding industrial and commercial settings. With a 400A rating at 240V, this switch delivers reliable performance where motor loads and feeder circuits demand solid protection and clear, immediate disconnection.\u003c\/p\u003e \u003ch2\u003eKey features that matter in real-world electrical protection\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e400A, 240V capacity\u003c\/strong\u003e supports sizable motor and feeder applications with a single, compact device.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTwo-pole design\u003c\/strong\u003e ensures both hot legs are interrupted for complete circuit isolation and safer maintenance access.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFusible protection\u003c\/strong\u003e provides fast, predictable fault clearing at the source, helping guard downstream equipment and wiring.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact and maintainable\u003c\/strong\u003e designed for easier serviceability and fuse replacement without major disassembly.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e ideal for motor disconnects, panelboards, and branch circuit protection where a reliable fusible switch is required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this fusible switch matters for your setup\u003c\/h2\u003e\n\u003cp\u003eIn environments where downtime, safety, and protection are non-negotiable, the QMQB4022 offers a purpose-built solution for isolating circuits and defending equipment from overcurrent events. The 2-pole arrangement protects both conductors in 240V circuits, helping reduce risk during maintenance and servicing.\u003c\/p\u003e \u003ch2\u003ePractical use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMotor disconnects on conveyors, presses, or large fans where a robust, fuse-protected switch is advantageous.\u003c\/li\u003e \u003cli\u003ePanelboard sections requiring reliable, easy-to-operate disconnects with integrated overcurrent protection.\u003c\/li\u003e \u003cli\u003eBranch circuit protection in commercial or light-industrial installations that demand a dedicated fusible switch for safe servicing.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eMaintenance, installation, and best practices\u003c\/h2\u003e\n\u003cp\u003eChoose the QMQB4022 when you need a compact, fusible switch that balances reliable protection with straightforward serviceability. Plan fuse replacement as part of routine maintenance and ensure compatibility with your protection scheme to maintain continuous, safe operation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390425878690,"sku":"QMQB4022","price":3325.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/qmqb4022-400a-240v-2-pole-fusible-switch-109.webp?v=1788877780","url":"https:\/\/www.ampstate.com\/products\/qmqb4022-400a-240v-2-pole-fusible-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}