{"product_id":"general-electric-thjk436400-circuit-breaker","title":"General Electric | THJK436400 | Circuit Breaker | 400A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the General Electric THJK436400 circuit breaker—a purpose-built protection device for demanding electrical systems. With a 400A rating, 3-pole configuration for true three-phase protection, and a 600V operating envelope, this unit is crafted for maintenance, retrofit, and replacement projects where exact specifications matter. Built to endure the rigors of commercial and industrial panel environments, it delivers reliable interruption protection when it’s most needed.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e THJK436400\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal uses:\u003c\/strong\u003e maintenance, retrofit, and replacement where matching specs are required\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this GE circuit breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eThree-pole design delivers balanced protection for three-phase circuits, reducing the risk of uneven loading and equipment damage.\u003c\/li\u003e \u003cli\u003e400A capability handles substantial feeder and motor loads common in commercial and industrial applications.\u003c\/li\u003e \u003cli\u003e600V rating aligns with standard industrial distribution systems, helping you maintain safe and reliable operation across your electrical infrastructure.\u003c\/li\u003e \u003cli\u003eThe THJK436400 part number serves as the best compatibility reference, simplifying inventory management and replacement accuracy.\u003c\/li\u003e \u003cli\u003eSpecifically suited for scenarios that require precise matching of amperage, poles, and voltage—ensuring seamless retrofits and reliable replacements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse cases and practical considerations\u003c\/h3\u003e\n\u003cp\u003eIdeal for upgrading aging protection in service panels, replacing worn-out breakers in 3-phase systems, or provisioning a spare that matches exact GE specifications. This unit fits in applications where a 400A, 3-pole, 600V circuit breaker is the appropriate safeguard for power distribution and motor-control circuits. When planning a retrofit or a replacement, aligning with the THJK436400 specifications helps minimize downtime and compatibility surprises.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Confirm fit and ratings before ordering. The part number THJK436400 is the best reference for compatibility with your equipment.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":46424422482082,"sku":"THJK436400","price":4022.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/general-electric-thjk436400-circuit-breaker-400a-3-pole-600v-624.webp?v=1789356618","url":"https:\/\/www.ampstate.com\/products\/general-electric-thjk436400-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}