{"product_id":"qmqb9036lh-1200a-600v-3-pole-safety-switch","title":"QMQB9036LH - 1200A, 600V, 3-Pole, Safety Switch","description":"\u003cdiv\u003e\n\u003cp\u003eQMQB9036LH is a rugged 1200A, 600V, 3-Pole safety switch engineered for reliable on\/off isolation and overcurrent protection in demanding industrial and commercial environments.\u003c\/p\u003e \u003cp\u003eAs a fusible disconnect, it delivers integrated protection for large three-phase equipment, streamlining motor control, panelboard installations, and branch circuit protection — all within a compact, maintenance-friendly footprint.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e QMQB9036LH\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 1200A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this safety switch stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole isolated shutdown:\u003c\/strong\u003e All three phases are disconnected together for complete and safe servicing.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current, low-profile design:\u003c\/strong\u003e Robust amperage handling (1200A) paired with a compact footprint that fits tight electrical rooms and crowded panel layouts.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIntegrated protection in a single unit:\u003c\/strong\u003e Fusible switching combines disconnection and overcurrent protection, reducing wiring complexity and installation time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance-friendly:\u003c\/strong\u003e Accessible fuse ports and straightforward maintenance workflows minimize downtime during fuse changes and inspections.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRugged for industrial environments:\u003c\/strong\u003e Built to withstand demanding duty cycles in manufacturing, processing, and big equipment installations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMotor disconnects for large three-phase machines, conveyors, pumps, and fans\u003c\/li\u003e \u003cli\u003ePanelboard isolation points within switchgear assemblies\u003c\/li\u003e \u003cli\u003eBranch circuit protection where space is at a premium but reliability cannot be compromised\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical guidance for deployment\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePair with appropriately rated fusing elements to ensure alignment with system protection requirements.\u003c\/li\u003e \u003cli\u003eInstall in a enclosure suitable for your environment to protect against dust, moisture, and thermal conditions.\u003c\/li\u003e \u003cli\u003ePlan wiring routes to optimize short-circuit current paths and minimize voltage drop across the disconnect.\u003c\/li\u003e \u003cli\u003eRegularly inspect terminals for tightness and signs of wear during preventive maintenance to sustain reliable isolation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eCompared to standalone mechanical switches, the QMQB9036LH delivers consolidated safety and protection in one unit, helping you simplify control schematics while maintaining rigorous isolation for safe maintenance and service work. If you need a dependable, high-amperage, three-pole safety switch that keeps large three-phase systems secure and accessible, this model is purpose-built to meet the challenge.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390333800610,"sku":"QMQB9036LH","price":20947.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/fusible_disconnect_generic_b8d609c4-869d-440a-b298-e756c3132d87.png?v=1765368200","url":"https:\/\/www.ampstate.com\/products\/qmqb9036lh-1200a-600v-3-pole-safety-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}