{"product_id":"qb50-thomas-betts-zinsco-50a-1p-120v-bolt-on-circuit-breaker-10ka-240v","title":"QB50 - Thomas \u0026 Betts Zinsco 50A 1P 120V Bolt-On Circuit Breaker 10kA@240V","description":" \t\t\t\t\t\t\t\t\t\t\u003ch2\u003eQB50\u003c\/h2\u003e                                         \u003cbr\u003e \t\t\t\t\t\t\t\t\t\t\u003cb\u003eQB50\u003c\/b\u003e is a single-pole, 50 amp, 120 volt bolt-on circuit breaker from the Zinsco QB series, designed for reliable branch circuit protection in residential and light commercial applications. This Thomas \u0026amp; Betts Zinsco QB50 circuit breaker features a bolt-on mounting design for secure installation, a 10kA interrupt rating at 240V, and is compatible with Zinsco, GTE, and Sylvania panels. It provides dependable overcurrent protection for 120V circuits and is suitable for use in a variety of panelboard environments. \u003cul\u003e \u003cli\u003ePart Number: QB50\u003c\/li\u003e \u003cli\u003eManufacturer: Thomas \u0026amp; Betts \/ Zinsco\u003c\/li\u003e \u003cli\u003eAmperage: 50A\u003c\/li\u003e \u003cli\u003ePoles: 1\u003c\/li\u003e \u003cli\u003eVoltage: 120V\u003c\/li\u003e \u003cli\u003eMounting Type: Bolt-On\u003c\/li\u003e \u003cli\u003eInterrupt Rating: 10kA@240V\u003c\/li\u003e \u003cli\u003eSeries\/Frame: QB\u003c\/li\u003e \u003cli\u003eApplication: Branch Circuit Protection\u003c\/li\u003e \u003cli\u003eCompatible Panels: Zinsco, GTE, Sylvania\u003c\/li\u003e \u003cli\u003eStandards: UL Listed\u003c\/li\u003e \u003cli\u003eWarranty: 1 Year\u003c\/li\u003e \u003c\/ul\u003e At \u003cb\u003eEssential Parts\u003c\/b\u003e, we offer \u003cb\u003efast shipping\u003c\/b\u003e, \u003cb\u003elowest price\u003c\/b\u003e, and \u003cb\u003eexpert support\u003c\/b\u003e to help you get the right product every time. \t\t\t\t\t\t\t\t\t\t\u003cbr\u003e                                          \t\t\t\t\t\t\t\t\t\t\u003ch3\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003c\/h3\u003e \t\t\t\t\t\t\t\t\t\t\u003cul\u003e \t\t\t\t\t\t\t\t\t\t\t\u003cli\u003ePart Number: QB50\u003c\/li\u003e                                             \u003cli\u003eManufacturer : Thomas \u0026amp; Betts||Zinsco\u003c\/li\u003e\n\u003cli\u003eBrand : Zinsco\u003c\/li\u003e\n\u003cli\u003eCategory : Circuit Breaker\u003c\/li\u003e\n\u003cli\u003eItem Subcategory : Molded Case\u003c\/li\u003e\n\u003cli\u003eFamily : QB Series\u003c\/li\u003e\n\u003cli\u003eType : QB\u003c\/li\u003e\n\u003cli\u003eVoltage : 120\u003c\/li\u003e\n\u003cli\u003eAmperage : 50\u003c\/li\u003e\n\u003cli\u003ePhase : 1\u003c\/li\u003e\n\u003cli\u003ePoles : 1\u003c\/li\u003e\n\u003cli\u003eAIC rating : 10kA@240V\u003c\/li\u003e\n\u003cli\u003eConnection : Bolt-On\u003c\/li\u003e\n\u003cli\u003eFunctions : LI - Long-Time and Instantaneous\u003c\/li\u003e\n\u003cli\u003eProtection : Thermal Magnetic\u003c\/li\u003e \t\t\t\t\t\t\t\t\t\t\u003c\/ul\u003e                                         \u003cbr\u003e                                         \u003ch3\u003e\u003cb\u003eProduct Data\u003c\/b\u003e\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eWeight : 1 \u003c\/li\u003e\u003c\/ul\u003e                                         \u003cbr\u003e                                          ","brand":"Zinsco","offers":[{"title":"Re-Certified","offer_id":42915085451423,"sku":"QB50-ReCert","price":20.32,"currency_code":"USD","in_stock":true}],"url":"https:\/\/essentialparts.com\/products\/qb50-thomas-betts-zinsco-50a-1p-120v-bolt-on-circuit-breaker-10ka-240v","provider":"Essential Electric Supply","version":"1.0","type":"link"}