{"product_id":"general-electrics-thhqb2140st1-40a-2-pole-bolt-on-circuit-breaker","title":"General Electrics THHQB2140ST1 - 40 A, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the General Electric THHQB2140ST1—a 40A, 2-pole bolt-on molded case circuit breaker engineered for dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Designed to perform consistently across the demanding environments of residential, commercial, and light industrial applications, this breaker delivers reliable protection where it matters most.\u003c\/p\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e provides a rigid, vibration-resistant bus connection, helping to maintain stable electrical contact and reduce nuisance trips in vibration-prone installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection. The thermal element responds to sustained overloads, while the magnetic element promptly trips on high-magnitude short circuits, safeguarding protected circuits with dependable accuracy.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e is built in—designed to pair with matching GE load centers and panelboards, ensuring a clean fit, reliable operation, and streamlined replacement when a component reaches end of life.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e General Electrics\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e THHQB2140ST1\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 40A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2\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 \u003ch3\u003eIdeal applications\u003c\/h3\u003e\n\u003cp\u003eThis 40A, 2-pole unit is well-suited for protecting individual branch circuits within GE panelboards and load centers used in:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eResidential electrical panels for kitchen circuits, HVAC feeds, water heaters, and multi-room subpanels\u003c\/li\u003e \u003cli\u003eCommercial lighting, receptacle, and small equipment circuits that require reliable tripping behavior\u003c\/li\u003e \u003cli\u003eLight industrial feeders and machinery lines where durable, vibration-resistant connections matter\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat problems it solves\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProtects wiring and devices from overcurrent and short circuits, helping to prevent fire hazards and equipment damage\u003c\/li\u003e \u003cli\u003eDelivers predictable performance in environments with vibration or load fluctuations thanks to secure bolt-on mounting\u003c\/li\u003e \u003cli\u003eProvides a proven replacement path within GE OEM systems, reducing retrofit risk and ensuring compatibility with existing panelboards\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and maintenance considerations\u003c\/h3\u003e\n\u003cp\u003eLeverage the bolt-on mounting for a solid connection to the bus, paired with GE’s compatible panelboards for trouble-free replacement and ongoing reliability. This unit is designed for use in systems where a 40A, 2-pole thermal-magnetic protection strategy is appropriate, offering straightforward integration with matching GE equipment.\u003c\/p\u003e \u003ch3\u003eHow it compares to alternatives\u003c\/h3\u003e\n\u003cp\u003eCompared to generic, non-OEM replacements, the THHQB2140ST1 is purpose-built for GE panelboards and load centers, ensuring:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePrecise fit and reliable mechanical contact to the bus\u003c\/li\u003e \u003cli\u003eConsistent trip characteristics aligned with GE’s engineering standards\u003c\/li\u003e \u003cli\u003eStreamlined maintenance with a common form factor designed for GE families of equipment\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIn the box and beyond\u003c\/h3\u003e\n\u003cp\u003eDesigned for straightforward integration into existing GE electrical systems, this breaker supports long-term reliability for critical circuits and helps ensure continuous operation in daily, mission-critical applications.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eReady to upgrade or replace?\u003c\/strong\u003e The THHQB2140ST1 from AmpState provides the precise protection you need in a GE-compatible package. Verify your GE panelboard compatibility, then install with confidence to maintain robust branch circuit protection across your electrical system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349729366178,"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-thhqb2140st1-40-a-2-pole-bolt-on-circuit-breaker-824.webp?v=1788717457","url":"https:\/\/www.ampstate.com\/products\/general-electrics-thhqb2140st1-40a-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}