{"product_id":"general-electric-thkm3900-circuit-breaker","title":"General Electric | THKM3900 | Circuit Breaker | 900A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the General Electric THKM3900 Circuit Breaker — a heavy-duty protection device designed for demanding industrial applications. With a 900A rating, 3-pole configuration, and a 600V operating limit, it’s built to safeguard power distribution with reliability you can depend on during maintenance, retrofit, and replacement projects.\u003c\/p\u003e \u003cp\u003eThis breaker is purpose-built for situations where exact specifications matter. The THKM3900 is the best reference for compatibility, so always verify the fit and ratings before ordering. This ensures a seamless swap into existing GE panels or systems that call for a 900A, 3-pole, 600V solution.\u003c\/p\u003e \u003ch3\u003eCore specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 900A\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 THKM3900\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e maintenance, retrofit, and replacement in compatible GE electrical panels\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat makes this GE breaker stand out\u003c\/h3\u003e\n\u003cp\u003eDesigned for robust performance in high-current circuits, the THKM3900 delivers dependable protection for main feeders and large equipment. Its three-pole arrangement provides comprehensive phase protection, helping to prevent cascading faults in demanding environments—from manufacturing floors to distribution centers.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed 900A, 3-pole, 600V breaker in industrial control panels\u003c\/li\u003e \u003cli\u003eRetrofits where existing gear requires the THKM3900 specification for continued reliability\u003c\/li\u003e \u003cli\u003eMaintenance outages that demand a precise, compatible component to minimize downtime\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility \u0026amp; installation tips\u003c\/h3\u003e\n\u003cp\u003eTo ensure a worry-free installation, use the part number THKM3900 as the primary reference for compatibility. Always confirm fit and ratings against your panel’s documentation before ordering. Engage a qualified electrician for proper installation, and follow all panel manufacturer guidelines for torque, wiring, and safety procedures.\u003c\/p\u003e \u003ch3\u003ePractical considerations\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAssess whether your circuit loads align with a 900A, 3-pole, 600V breaker to avoid unnecessary upgrades\u003c\/li\u003e \u003cli\u003eDocument the upgrade in your facility’s electrical records, noting the exact part number for future maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":46427206811810,"sku":"THKM3900","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/general-electric-thkm3900-circuit-breaker-900a-3-pole-600v-383.webp?v=1789684394","url":"https:\/\/www.ampstate.com\/products\/general-electric-thkm3900-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}