{"product_id":"general-electrics-tkma836450-450a-3-pole-bolt-on-circuit-breaker","title":"General Electrics TKMA836450 - 450 A, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe General Electric TKMA836450 — a 450A, 3-pole bolt-on molded case circuit breaker — is designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built for steady, long-term performance, this unit helps keep commercial and residential electrical systems safe and reliable.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy this breaker stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e: A rigid, vibration‑resistant bus connection minimizes movement and loosening over time, even in energized environments or installations with equipment vibration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: Combines a stable thermal element with a fast magnetic trip to provide repeatable protection for both overloads and rapid short-circuit events, reducing nuisance tripping while maintaining safety margins.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM panel compatibility\u003c\/strong\u003e: Designed to pair with matching GE OEM load centers and panelboards, ensuring coordinated trip characteristics and reliable performance within GE-ecosystem panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e: Ideal for residential, commercial, and light industrial distribution where a high-current 3‑pole device is needed to protect three-phase circuits and feeders.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMain feeder protection in GE panelboards and load centers serving three-phase equipment and large feeders.\u003c\/li\u003e \u003cli\u003eSubfeed or disconnect protection for commercial electrical distribution closets and service rooms.\u003c\/li\u003e \u003cli\u003eRetrofits or upgrades in installations requiring a 450A, 3-pole bolt-on solution with dependable thermal-magnetic protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhat you get with the TKMA836450\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e General Electric\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e TKMA836450\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 450A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\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 \u003cp\u003eWhether you’re outfitting a new distribution panel or upgrading an existing GE-backed installation, the TKMA836450 delivers robust 3‑phase protection with the reliability you expect from General Electric. For professionals who demand precise fit, predictable trips, and long‑lasting performance in panelboards and load centers, this 450A bolt-on breaker is a practical, trustworthy choice—available through AmpState.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349736116386,"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_40cd543b-0eac-4b7e-9e70-7ee003e57641.png?v=1764155523","url":"https:\/\/www.ampstate.com\/products\/general-electrics-tkma836450-450a-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}