{"product_id":"ge-thql1140-40a-120v-1-pole-plug-in-circuit-breaker","title":"GE THQL1140 - 40 A, 120 V, 1-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eGE THQL1140\u003c\/strong\u003e is a 40A, 120V, 1-pole plug-in molded-case circuit breaker engineered to protect branch circuits in panelboards and load centers with dependable overcurrent and short-circuit protection. Built for quick installations and reliable performance, it helps keep residential, commercial, and light industrial electrical systems safe and available.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e for rapid installation and easy replacement in compatible GE and OEM panelboards. No special tools required—just snap in and go.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection by combining thermal (overload) sensing with magnetic (short-circuit) response. This dual-action design reduces nuisance trips while maintaining robust safety margins.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e1-pole, 40A, 120V configuration\u003c\/strong\u003e tailored for individual branch circuits in typical 120V installations, making it a precise fit for circuits that require solid protection without unnecessary disruption.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMolded-case construction\u003c\/strong\u003e provides reliable mechanical endurance and consistent performance across temperature and voltage variations common in everyday electrical environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e designed to pair with matching OEM load centers and panelboards, ensuring a seamless retrofit or upgrade experience without modification or compatibility concerns.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker matters\u003c\/h3\u003e\n\u003cp\u003eWhen a circuit draws more current than it should, or a fault occurs, the THQL1140 interrupts power quickly and cleanly. The result is fewer trip events, reduced wear on wiring, and faster restoration of service once the fault is cleared. This is especially important in spaces with high-demand appliances, lighting loads, or subpanel configurations where reliable protection is critical.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eResidential subpanels and main distribution panels needing a dependable 40A protection device for 120V circuits.\u003c\/li\u003e \u003cli\u003eCommercial spaces with dedicated branch circuits that require prompt fault interruption to minimize downtime.\u003c\/li\u003e \u003cli\u003eLight industrial installations where quick replacement and consistent protection are essential for uptime and safety.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrongmanufacturer:\u003e GE\u003c\/strongmanufacturer:\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrongpart number:\u003e THQL1140\u003c\/strongpart\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrongtype:\u003e Thermal-magnetic molded-case circuit breaker\u003c\/strongtype:\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrongamperage rating:\u003e 40A\u003c\/strongamperage\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrongvoltage rating:\u003e 120V\u003c\/strongvoltage\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrongnumber of poles:\u003e 1\u003c\/strongnumber\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrongmounting style:\u003e Plug-in\u003c\/strongmounting\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrongapplication:\u003e Branch circuit overcurrent and short-circuit protection\u003c\/strongapplication:\u003e\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical guidance for installing and using\u003c\/h3\u003e\n\u003cp\u003eTo maximize performance and safety, install this breaker in a panelboard that matches its design and electrical ratings. Confirm the panel’s catalog compatibility before replacement to ensure a clean fit and reliable trip characteristics. Use the unit where rapid replacement is beneficial—its plug-in design minimizes downtime during service or upgrades. Regularly inspect the breaker and surrounding wiring for signs of wear, and replace any damaged components promptly to maintain system integrity.\u003c\/p\u003e \u003ch3\u003eWho benefits most\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eElectrical professionals performing panel upgrades, retrofits, or new installations in homes and light commercial spaces.\u003c\/li\u003e \u003cli\u003eFacility managers seeking dependable, easy-to-replace protection for high-demand 120V circuits.\u003c\/li\u003e \u003cli\u003eDo-it-yourself installers valuing straightforward plug-in replacements and OEM-compatible performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the GE THQL1140, you get precise 40-amp, 120-volt protection in a plug-in format that’s built to slot into compatible panelboards and load centers without compromise. It’s a practical, dependable choice for safeguarding branch circuits wherever reliable electrical protection matters most.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349714817186,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/ge-thql1140-40-a-120-v-1-pole-plug-in-circuit-breaker-ampstate-930.webp?v=1788713982","url":"https:\/\/www.ampstate.com\/products\/ge-thql1140-40a-120v-1-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}