{"product_id":"general-electrics-thhqb1120af-20a-1-pole-bolt-on-circuit-breaker","title":"General Electrics THHQB1120AF - 20 A, 1-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eGeneral Electric THHQB1120AF is a 20A, 1-pole bolt-on molded case circuit breaker designed to deliver reliable branch circuit protection in panelboards and load centers. Built for residential, commercial, and light industrial applications, this unit combines rugged mounting with precise protective action to keep electrical systems safe and running smoothly.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e: a rigid connection to the bus minimizes movement and vibration, enhancing reliability in environments where equipment or doors may flex or rattle.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: the thermal element guards against gradual overloads, while the magnetic element responds instantly to short circuits, providing stable, repeatable protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e1-pole, 20A design\u003c\/strong\u003e: ideal for single-phase branch circuits that require dependable overcurrent protection without unnecessary complexity.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e: engineered to integrate with matching General Electric OEM load centers and panelboards, preserving fit, wiring layouts, and expected trip characteristics.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePerfect for real-world use\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eResidential projects: upgrade or replace a failed breaker in GE-panel installations, ensuring safety for lighting, outlets, and small-appliance circuits.\u003c\/li\u003e \u003cli\u003eCommercial settings: add a robust, single-pole protection point in panels subjected to daily operation and occasional vibration.\u003c\/li\u003e \u003cli\u003eLight industrial applications: protect individual, non-heavy-duty circuits where a reliable, bolt-on solution is preferred for long-term durability.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this THHQB1120AF stands out: the bolt-on mounting delivers a sturdier bus connection than plug-in options, reducing the risk of loose connections that can cause nuisance trips. The combination of a thermal and magnetic trip mechanism provides both predictable overload protection and immediate short-circuit interruption, helping to safeguard wiring, devices, and downstream equipment.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e General Electrics\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e THHQB1120AF\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 20A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 1\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e Bolt-on\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349729202338,"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-thhqb1120af-20-a-1-pole-bolt-on-circuit-breaker-922.webp?v=1788717413","url":"https:\/\/www.ampstate.com\/products\/general-electrics-thhqb1120af-20a-1-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}