{"product_id":"general-electrics-thkma30800-800a-3-pole-bolt-on-circuit-breaker","title":"General Electrics THKMA30800 - 800 A, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the General Electrics THKMA30800, a rugged 800 A, 3-pole bolt-on molded case circuit breaker designed to safeguard your panelboards and load centers with steadfast overcurrent and short-circuit protection. From AmpState, this device blends heavy-duty performance with precise protection for demanding electrical environments.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-on mounting for a secure, vibration-resistant bus connection\u003c\/strong\u003e—engineered to stay put in installations where equipment and conditions can introduce movement or vibration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection against both overloads and instantaneous faults across varying loads and duties.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration\u003c\/strong\u003e delivers reliable three-phase protection, making it ideal for commercial distribution and light industrial applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-ready compatibility\u003c\/strong\u003e designed to pairing with matching GE load centers and panelboards, ensuring correct fit, alignment, and trip characteristics.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e800 A amperage rating\u003c\/strong\u003e supports main feeder or branch-circuit protection for larger panels and higher-current installations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat problems does it solve?\u003c\/h3\u003e\n\u003cp\u003eIn complex electrical systems, high-current equipment, motors, and three-phase loads demand robust protection that won’t trip unnecessarily and will respond quickly to faults. The THKMA30800 delivers that balance: a precise thermal-magnetic trip keeps circuits safe, while the bolt-on design reduces the risk of loose connections and arc faults in harsh or dynamic environments.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eCommercial panelboards and light industrial distribution where three-phase feeders require durable, high-current protection.\u003c\/li\u003e \u003cli\u003eHVAC and motor control centers that demand reliable protection for large motors and startup surges.\u003c\/li\u003e \u003cli\u003eRenovations or upgrades of existing GE-based electrical rooms where OEM compatibility and consistent trip behavior are essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility recommendations\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify panelboard compatibility with bolt-on molded case breakers and confirm mounting space for a three-pole device.\u003c\/li\u003e \u003cli\u003eFollow standard safety practices: power down, verify absence of voltage, and torque connections according to the manufacturer’s specifications.\u003c\/li\u003e \u003cli\u003ePair with the appropriate GE load centers or panelboards to ensure seamless fit, correct bus alignment, and predictable protection performance.\u003c\/li\u003e \u003cli\u003eConsider the 800 A rating in relation to your feeder sizes and downstream protection requirements to optimize coordination and minimize nuisance trips.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re assembling a new, three-phase distribution setup or upgrading an aging panel, the General Electrics THKMA30800 offers dependable, high-current protection with a bolt-on interface that stands up to vibration and real-world use. Trust AmpState to deliver authentic GE parts that align with your system’s needs and keep your electrical distribution running smoothly.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349730545826,"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_013a7894-8996-4823-8b7d-a1eb0604eb62.png?v=1764155410","url":"https:\/\/www.ampstate.com\/products\/general-electrics-thkma30800-800a-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}