{"product_id":"general-electric-thjk636300-circuit-breaker","title":"General Electric | THJK636300 | Circuit Breaker | 300A | 3-Pole | 600V | Bolt-On","description":"\u003cdiv\u003e\n\u003ch2\u003eGeneral Electric THJK636300 Circuit Breaker — 3-Pole, 600V, 300A, Bolt-On\u003c\/h2\u003e\n\u003cp\u003eThe GE THJK636300 is a rugged three‑pole circuit breaker designed for demanding 3‑phase power systems. Built for maintenance, retrofit, and replacement tasks, this bolt‑on unit provides reliable overcurrent protection in industrial panels that run at up to 600 volts and handle up to 300 amps per circuit.\u003c\/p\u003e \u003ch3\u003eCore specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 300A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3‑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 reference:\u003c\/strong\u003e General Electric THJK636300\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cp\u003eDesigned for three‑phase systems, this GE breaker protects all three conductors simultaneously, helping prevent downstream equipment damage from overloads. The bolt‑on design ensures a solid, vibration‑tolerant attachment in heavy‑duty panels, making service and replacements quicker and more secure in environments with frequent maintenance or panel upgrades.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofit projects where a compatible GE replacement is required to match existing panel configurations\u003c\/li\u003e \u003cli\u003eMaintenance and service outages in manufacturing lines, compressors, conveyors, and other three‑phase equipment\u003c\/li\u003e \u003cli\u003eSpare part in industrial control rooms and switchgear cabinets to minimize downtime during upgrades\u003c\/li\u003e \u003cli\u003eNew installations in compatible GE‑style panels that specify a 3‑pole, 600V, 300A bolt‑on breaker\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation \u0026amp; compatibility notes\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, verify fit and ratings against your panel’s specification. The THJK636300 part number is the most reliable reference for compatibility, ensuring correct mounting geometry and electrical fit for your 3‑phase, 600V systems.\u003c\/p\u003e \u003ch3\u003ePractical guidance for best results\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eInspect the mounting surface and hardware to ensure a clean, undamaged interface for bolt‑on installation\u003c\/li\u003e \u003cli\u003eFollow your panel manufacturer’s guidelines for torque specifications on the mounting bolts\u003c\/li\u003e \u003cli\u003eUse this unit specifically where a 3‑pole configuration is required to protect all three phases equally\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re performing a targeted retrofit, stocking standard spare parts for scheduled maintenance, or upgrading a legacy installation, the General Electric THJK636300 Circuit Breaker delivers dependable 3‑phase protection with a straightforward bolt‑on installation that aligns with 600V electrical systems and 300A circuits.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":46427499790498,"sku":"THJK636300","price":23205.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/general-electric-thjk636300-circuit-breaker-300a-3-pole-600v-bolt-614.webp?v=1789732254","url":"https:\/\/www.ampstate.com\/products\/general-electric-thjk636300-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}