{"product_id":"general-electric-thjk426400ll-circuit-breaker","title":"General Electric | THJK426400LL | Circuit Breaker | 400A | 2-Pole | 600V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eGeneral Electric THJK426400LL circuit breaker is a 400A, 2-pole, 600V bolt-on unit designed for reliable protection in demanding electrical panels. Built for maintenance, retrofit, and replacement projects where exact specifications matter, this GE breaker ensures compatibility with systems that require a bolt-on mounting and robust 2-pole protection.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specs at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e THJK426400LL\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this GE circuit breaker stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eExact spec match for GE panels requiring a bolt-on, 2-pole device, making it ideal for retrofit projects where the panel's current protection and wiring configuration must stay consistent with the existing system.\u003c\/li\u003e \u003cli\u003eDesigned for commercial and industrial environments where a 600V distribution circuit needs solid, reliable protection without compromising on installation simplicity.\u003c\/li\u003e \u003cli\u003eUsing the part number THJK426400LL as the primary compatibility reference helps ensure you’re selecting the right component for your GE equipment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eConcrete use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and replacement on GE electrical panels that specify bolt-on 2-pole breakers\u003c\/li\u003e \u003cli\u003eRetrofit of older installations transitioning to higher current or updated protection schemes within 600V systems\u003c\/li\u003e \u003cli\u003eUpgrading or repairing large-load circuits in commercial\/industrial setups that demand 400A protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eInstallation and compatibility tips\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eBefore ordering, confirm fit and ratings by cross-referencing the panel model and the THJK426400LL part number.\u003c\/li\u003e \u003cli\u003eKeep in mind bolt-on mounting requires the appropriate panel opening and mounting pattern compatible with GE bolt-on breakers.\u003c\/li\u003e \u003cli\u003eConsider performing electrical work with the power fully isolated and by qualified personnel to ensure safe, compliant installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":46427500511394,"sku":"THJK426400LL","price":5705.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/general-electric-thjk426400ll-circuit-breaker-400a-2-pole-600v-bolt-761.webp?v=1789732423","url":"https:\/\/www.ampstate.com\/products\/general-electric-thjk426400ll-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}