{"product_id":"qb20","title":"Zinsco QB20 - 20A, 1-Pole, Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Zinsco QB20—a compact, dependable 20A, 1-Pole circuit breaker designed to deliver precise overcurrent protection in demanding electrical environments. Built to perform in panelboards, switchboards, and control panels, this breaker keeps critical systems up and running with confidence.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 20A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBreaker type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting versatility:\u003c\/strong\u003e suitable for panelboards, switchboards, and control panels\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication focus:\u003c\/strong\u003e engineered for industrial, commercial, and OEM applications where dependable overcurrent protection and safe operation are essential in distribution panels and motor control centers\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe 1‑Pole design of the QB20 offers a lean, space-saving solution for circuits where compact protection is key. It provides straightforward integration in existing panel layouts, helping you optimize panel density without sacrificing safety or reliability.\u003c\/p\u003e \u003cp\u003eIdeal use scenarios include:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eDistribution panels in commercial facilities that power lighting and general receptacle circuits\u003c\/li\u003e \u003cli\u003eMotor control centers requiring reliable branch-circuit protection for critical loads\u003c\/li\u003e \u003cli\u003eOEM equipment enclosures where a compact, robust 20A breaker is needed for dependable operation\u003c\/li\u003e \u003cli\u003eNew installations and retrofits in panelboards and switchboards where quick, safe protection is essential\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose the Zinsco QB20? It delivers a focused combination of size, rating, and reliability tailored for environments where overcurrent protection must act quickly and predictably. With its straightforward 1‑Pole configuration, it enables efficient wiring schemes and dependable interruption of unsafe currents, helping protect both equipment and personnel in industrial, commercial, and OEM settings.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Zinsco","offers":[{"title":"Default","offer_id":46390616424610,"sku":"QB20","price":46.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_fe728543-8388-43a0-93bf-78ed3508dc4e.png?v=1765378102","url":"https:\/\/www.ampstate.com\/products\/qb20","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}