{"product_id":"westinghouse-jb3125w-circuit-breaker","title":"Westinghouse | JB3125W | Circuit Breaker | 125A | 3-Pole | 600V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Westinghouse JB3125W circuit breaker — a 125A, 3-pole, 600V bolt-on protection device designed for maintenance, retrofit, and replacement projects where precise specifications matter. Built to handle demanding industrial and commercial environments, this breaker safeguards your equipment and keeps critical systems running smoothly.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 125 A\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 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e JB3125W\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this bolt-on circuit breaker matters\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure mounting\u003c\/strong\u003e — the bolt-on design provides a durable, vibration-resistant connection in compatible panels, helping maintain consistent protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear compatibility reference\u003c\/strong\u003e — the JB3125W part number is the most reliable guide when matching to existing gear, ensuring you get the right fit the first time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFocused on 3-phase protection\u003c\/strong\u003e — ideal for three-phase electrical systems that demand dependable, branch-circuit protection at 125 A.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofit projects where upgrading to 125A, 3-pole protection is needed in existing panels.\u003c\/li\u003e \u003cli\u003eReplacement for aging or failed breakers in 3-phase distribution systems.\u003c\/li\u003e \u003cli\u003eNew installations requiring robust 3-phase protection with a 600V rating.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation \u0026amp; compatibility notes\u003c\/h3\u003e\n\u003cp\u003eNotes: Confirm fit and ratings before ordering. The JB3125W part number is the best reference for compatibility, so verify this exact model against your panel catalog and service requirements before purchase.\u003c\/p\u003e \u003cp\u003eWith the Westinghouse lineage of dependable electrical components, the JB3125W delivers straightforward, reliable protection for your 3-phase loads, helping your facility stay productive and safe.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46426604339362,"sku":"JB3125W","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_16d3a2fb-5d93-424c-9206-5031ec4b178f.png?v=1765492977","url":"https:\/\/www.ampstate.com\/products\/westinghouse-jb3125w-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}