{"product_id":"ge-thqb21100-100a-240v-2-pole-bolt-on-circuit-breaker","title":"GE THQB21100 - 100 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe GE THQB21100 is a rugged, 2-pole bolt-on molded case circuit breaker engineered to protect your electrical system with unwavering reliability. With a 100A rating at 240V, it provides precise overcurrent and short-circuit protection for branch circuits in panelboards and load centers, keeping wiring safe and service interruptions to a minimum.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e delivers a rigid, vibration-resistant bus connection that stays reliable in demanding environments, reducing nuisance trips and ensuring consistent performance over time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e combines a thermal element for stable overload protection with a magnetic element for rapid response to short circuits, giving predictable, repeatable protection under varying load conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e is crafted to work seamlessly with matching GE OEM load centers and panelboards, simplifying replacement and upgrades without compromising electrical safety or panel integrity.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for multiple applications\u003c\/strong\u003e suitable for residential, commercial, and light industrial installations where dependable branch circuit protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eKey specifications at a glance help you confirm compatibility and plan your installation:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 100A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 240V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 2\u003c\/li\u003e \u003cli\u003eMounting Style: Bolt-on\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse cases and practical contexts\u003c\/p\u003e \u003cul\u003e \u003cli\u003ePanelboard upgrades and expansions where a robust, code-compliant 2-pole breaker is needed to protect main and subcircuits.\u003c\/li\u003e \u003cli\u003eResidential service panels requiring reliable protection for high-load feeders, HVAC suites, or multi-room circuits.\u003c\/li\u003e \u003cli\u003eCommercial light-industrial enclosures where vibration, dust, or mechanical stress can impact electrical connections, thanks to its secure bolt-on mounting.\u003c\/li\u003e \u003cli\u003eNew installations that demand OEM compatibility to ensure seamless integration with existing GE load centers and panelboards.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose the GE THQB21100 for your electrical protection needs?\u003c\/p\u003e \u003cul\u003e \u003cli\u003eIt delivers consistent protection performance through a thoughtfully engineered thermal-magnetic trip system, balancing nuisance-trip resistance with fast fault clearance.\u003c\/li\u003e \u003cli\u003eThe bolt-on design reduces connection looseness and maintains a solid bus connection in environments prone to vibration or movement.\u003c\/li\u003e \u003cli\u003eOEM compatibility minimizes retrofit complexity and helps maintain warranty and performance expectations in GE ecosystem panels.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical installation and maintenance tips\u003c\/p\u003e \u003cul\u003e \u003cli\u003eVerify panelboard compatibility with GE THQB-series devices before swapping or upgrading breakers.\u003c\/li\u003e \u003cli\u003eEnsure proper torque and seating when mounting the breaker to maintain the integrity of the bus connection and trip operation.\u003c\/li\u003e \u003cli\u003eUse in circuits where 100A protection aligns with conductor sizing and load calculations to optimize safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349706625186,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/general_electric_breaker_and_panel_b32b7953-7d34-4b18-acf3-37eab9bb4ad9.png?v=1764154500","url":"https:\/\/www.ampstate.com\/products\/ge-thqb21100-100a-240v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}