{"product_id":"abb-kt4250-3c","title":"ABB KT4250-3C 250A 3-Pole Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the ABB KT4250-3C 250A 3-Pole Circuit Breaker — a purpose-built protector for three-phase power systems where reliability isn’t optional. Identified by itsPart Number KT4250-3C, this ABB circuit breaker is engineered to guard large feeders, motors, and critical equipment in demanding environments.\u003c\/p\u003e \u003ch2\u003eThree-pole protection for balanced, safe power\u003c\/h2\u003e\n\u003cp\u003eThe 3-pole design safeguards all three phases (A, B, C) together, helping maintain voltage balance and reducing the risk of uneven loads. With a 250 A rating, it provides robust, immediate isolation when faults occur, helping to prevent damage to downstream gear and minimizing downtime.\u003c\/p\u003e \u003ch2\u003eWhy this ABB KT4250-3C stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eClear identification for easy service\u003c\/strong\u003e — the KT4250-3C part number simplifies inventory management and replacement decisions in busy maintenance environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current capability\u003c\/strong\u003e — a 250 A rating makes it a strong fit for heavy feeders, sizeable motors, and main distribution points within commercial or light industrial panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndustrial-ready resilience\u003c\/strong\u003e — built to perform in real-world settings where reliability and quick fault isolation are essential.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-phase compatibility\u003c\/strong\u003e — ideal for applications in manufacturing lines, HVAC systems, pumps, and conveyors that rely on balanced three-phase protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal use scenarios\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eProtecting three-phase feeders that power large motors in manufacturing, packaging, or material handling facilities.\u003c\/li\u003e \u003cli\u003eServing as a main or sub-feed circuit breaker in distribution panels that require solid, phase-safe protection for heavy loads.\u003c\/li\u003e \u003cli\u003eGuarding critical equipment in commercial buildings with three-phase electrical systems, such as large air handling units or water pumps.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical installation and maintenance tips\u003c\/h2\u003e\n\u003cp\u003eFor best results, ensure compatibility with your panel and mechanical fit before installation. Follow the manufacturer’s wiring guidelines and use proper torque on terminations as part of routine maintenance. Regular inspections to verify clean, tight connections help sustain reliable operation and extend service life.\u003c\/p\u003e \u003ch2\u003eWhat you gain with ABB\u003c\/h2\u003e\n\u003cp\u003eChoosing the ABB KT4250-3C 250A 3-Pole Circuit Breaker means partnering with a trusted name in electrical protection. It combines straightforward identification with solid, dependable performance for three-phase systems, making it a practical choice when you need predictable protection, easy part sourcing, and a clear path to service continuity.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":46423214129314,"sku":"KT4250-3C","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/abb-kt4250-3c-250a-3-pole-circuit-breaker-381.webp?v=1789283930","url":"https:\/\/www.ampstate.com\/products\/abb-kt4250-3c","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}