{"product_id":"ge-thjk436400wl-400a-600v-3-pole-circuit-breaker","title":"GE THJK436400WL - 400 A, 600 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eGE THJK436400WL is a 400 A, 600 V, 3-pole molded case circuit breaker designed to safeguard panelboards and load centers with dependable branch circuit overcurrent and short-circuit protection. Distributed by AmpState, this unit is built to perform in demanding commercial and light industrial environments while keeping installation compact and organized.\u003c\/p\u003e \u003ch3\u003eWhy this 3-pole molded case breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eCompact molded-case design: Optimizes panel space and simplifies wiring in crowded panels, making it easier to bundle conductors and manage protection for multiple circuits.\u003c\/li\u003e \u003cli\u003eThermal-magnetic trip unit: Delivers stable, repeatable protection by combining a thermal overload element with an instantaneous magnetic trip for short circuits, reducing nuisance trips and improving system reliability.\u003c\/li\u003e \u003cli\u003eThree-phase protection: Perfect for balanced three-phase feeders and main breaks, ensuring coordinated protection across your entire 3‑phase distribution network.\u003c\/li\u003e \u003cli\u003eOEM‑level compatibility: Designed for seamless integration with GE OEM load centers and panelboards, supporting straightforward retrofits and future panel upgrades.\u003c\/li\u003e \u003cli\u003eHigh voltage capability: Rated up to 600 V, making it suitable for a range of commercial and light industrial distribution applications while aligning with typical NEC protection requirements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal uses and practical applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eCommercial buildings: Main feeders and subpanels in offices, retail spaces, and hospitality settings where reliable 3‑phase protection is critical.\u003c\/li\u003e \u003cli\u003eLight industrial environments: Protection for motors, conveyors, HVAC equipment, and other three‑phase loads that demand robust overcurrent and short-circuit safeguarding.\u003c\/li\u003e \u003cli\u003ePanel retrofits and upgrades: A compatible upgrade path for panels needing higher ampacity protection without changing the panel footprint.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation, compatibility, and best practices\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eConfirm panel compatibility: Use with GE OEM load centers and appropriate panelboards to ensure proper fit, electrical clearances, and listing compliance.\u003c\/li\u003e \u003cli\u003eFollow proper termination practices: Adhere to torque specifications and conductor sizing guidelines to assure reliable clamping and long-term service.\u003c\/li\u003e \u003cli\u003ePlan for three‑phase system protection: Ensure downstream devices and wiring are sized to match the 400 A rating and 600 V operation for safe, coordinated protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eGE THJK436400WL delivers dependable, space-efficient protection for three‑phase systems at 400 A and up to 600 V, combining a compact design with a thermal‑magnetic trip for reliable response. Ideal for commercial, light industrial, and select residential applications where panel space is at a premium and robust overcurrent protection is required.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349705150626,"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_2daf452a-96e9-403f-ac2b-ba7f244719c0.png?v=1764154464","url":"https:\/\/www.ampstate.com\/products\/ge-thjk436400wl-400a-600v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}