{"product_id":"general-electrics-thhqb2150st1-50a-2-pole-bolt-on-circuit-breaker","title":"General Electrics THHQB2150ST1 - 50 A, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eGeneral Electrics THHQB2150ST1 is a 50A, 2-pole bolt-on molded case circuit breaker designed to guard branch circuits in panelboards and loadcenters against overcurrent and short circuits. The unit blends rugged mounting with precise protection technology to keep electrical systems safe and reliable in demanding installations.\u003c\/p\u003e \u003ch3\u003eKey advantages\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eSecure bolt-on mounting\u003c\/b\u003e provides a rigid, vibration-resistant bus connection that stays tight and maintains electrical integrity in panels exposed to vibration or movement.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eThermal-magnetic trip unit\u003c\/b\u003e delivers instantaneous short-circuit protection plus thermal overload protection, ensuring stable, repeatable performance across varying loads and temperatures.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eOEM-compatible design\u003c\/b\u003e fits matching OEM loadcenters and panelboards for straightforward replacement without adapters or modifications.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVersatile application\u003c\/b\u003e ideal for residential, commercial, and light industrial environments, protecting 50A, 240V branch circuits with reliable protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading a home subpanel to improve reliability for essential 240V loads like water heaters, air conditioning, or EV charging readiness.\u003c\/li\u003e \u003cli\u003eReplacing aging breakers in small to mid-size commercial panelboards that require durable, vibration-resistant protection.\u003c\/li\u003e \u003cli\u003eIntegrating into light industrial control panels where secure mounting and consistent protection reduce downtime and maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eManufacturer:\u003c\/b\u003e General Electrics\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePart number:\u003c\/b\u003e THHQB2150ST1\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eAmperage rating:\u003c\/b\u003e 50 A\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eNumber of poles:\u003c\/b\u003e 2\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMounting style:\u003c\/b\u003e Bolt-on\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eApplication:\u003c\/b\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the THHQB2150ST1 for a dependable, purpose-built solution that delivers precise protection, easy integration with existing panel systems, and long-term reliability across residential, commercial, and light industrial use cases.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349729398946,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/general-electrics-thhqb2150st1-50-a-2-pole-bolt-on-circuit-breaker-576.webp?v=1788717465","url":"https:\/\/www.ampstate.com\/products\/general-electrics-thhqb2150st1-50a-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}