{"product_id":"westinghouse-ja3125w-circuit-breaker","title":"Westinghouse | JA3125W | Circuit Breaker | 125A | 3-Pole | 600V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Westinghouse JA3125W circuit breaker—a rugged, three-pole protection device engineered for serious electrical work. With a 125-amp rating and a 600V operating range, this bolt-on breaker is built to handle demanding loads in industrial, commercial, and large residential setups. It’s the reliable choice for maintenance, retrofit, and replacement projects where your panel requires matching specs and a secure, fast installation.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eAmperage:\u003c\/b\u003e 125 A\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePoles:\u003c\/b\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVoltage:\u003c\/b\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eMounting:\u003c\/b\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePart number:\u003c\/b\u003e JA3125W\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat sets this breaker apart\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eSecure bolt-on mounting\u003c\/b\u003e for a dependable, vibration-resistant connection that stays put in busy electrical rooms.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eExact compatibility\u003c\/b\u003e is guided by the part number—JA3125W—ensuring you’re selecting the right device for panel boards that require three-pole, 125A, 600V protection.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDesigned for high-demand circuits\u003c\/b\u003e to safeguard large loads and three-phase systems, helping prevent overheating and equipment damage.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofits in existing panels where a bolt-on, 3-pole breaker is specified.\u003c\/li\u003e \u003cli\u003eMaintenance replacements that demand precise amperage and voltage ratings to maintain system performance.\u003c\/li\u003e \u003cli\u003eNew installations within commercial or light-industrial environments that require reliable 125A, 600V power distribution and quick swap-out capability.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility tips\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, verify your panel’s compatibility by matching the part number JA3125W and the required ratings. While the JA3125W is the best reference for compatibility, always check the panel model, bus type, and mounting configuration to ensure a seamless fit and uninterrupted protection.\u003c\/p\u003e \u003ch3\u003eWhy this matters for your system\u003c\/h3\u003e\n\u003cp\u003eProtecting critical equipment and minimizing downtime hinge on choosing the right circuit breaker. The Westinghouse JA3125W delivers precise overcurrent protection for three-phase applications at 600V, with a robust bolt-on design that simplifies installation and reduces service interruptions. For facilities managers, electricians, and maintenance teams, it’s a straightforward, dependable upgrade or replacement that keeps electrical infrastructure safe and up to date.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46427260879010,"sku":"JA3125W","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/westinghouse-ja3125w-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}