{"product_id":"square-d-kcl241251021-circuit-breaker","title":"Square D | KCL241251021 | Circuit Breaker | 125A | 3-Pole | 480V","description":"\u003cdiv\u003e\n\u003cp\u003eDesigned for industrial power distribution, the Square D KCL241251021 Circuit Breaker delivers precise protection in 480V, three-phase systems. With a 125A rating and three poles, this unit is tailored for maintenance, retrofit, and replacement projects where exact specs matter.\u003c\/p\u003e \u003ch3\u003eWhy choose the KCL241251021?\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e125 Ampacity provides reliable protection for mid‑size feeders in 480V, three‑phase panels.\u003c\/li\u003e \u003cli\u003eThree poles deliver true three‑phase circuit protection, essential for balanced load handling and safe shutdown.\u003c\/li\u003e \u003cli\u003ePart number accuracy matters: KCL241251021 is the best reference for compatibility across Square D enclosures that support the KCL family.\u003c\/li\u003e \u003cli\u003eOptimized for retrofit and replacement work, reducing panel modifications and downtime.\u003c\/li\u003e \u003cli\u003eRugged, industrial-grade construction designed to withstand demanding electrical environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cp\u003eAmperage: 125A • Poles: 3‑Pole • Voltage: 480V\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and service on existing 480V three‑phase distribution systems.\u003c\/li\u003e \u003cli\u003eRetrofits where a precise 125A, 3‑pole, 480V specification is required to match existing protection schemes.\u003c\/li\u003e \u003cli\u003eReplacement in legacy Square D installations that specify the KCL series for panel compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical installation and compatibility tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eBefore ordering, confirm fit and ratings against your panel labeling; the part number is the most reliable reference for compatibility.\u003c\/li\u003e \u003cli\u003eKeep a spare KCL241251021 on hand for planned maintenance to minimize downtime.\u003c\/li\u003e \u003cli\u003eWhen integrating into an enclosure, ensure the mounting and bus connection configuration matches the KCL series requirements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoosing a breaker with precise specifications helps prevent nuisance trips and ensures coordinated protection with upstream devices. The Square D KCL241251021 125A 3‑Pole 480V circuit breaker is a dependable choice for professionals maintaining or upgrading industrial power distribution networks.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426361495714,"sku":"KCL241251021","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/square-d-kcl241251021-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}