{"product_id":"xm433400-circuit-breaker","title":"XM433400 | Circuit Breaker | 400A | 3-Pole | 480V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eThe XM433400 Circuit Breaker is a purpose-built 3-pole solution designed for industrial 480V three-phase systems. With a 400A current rating and bolt-on mounting, it delivers reliable protection and straightforward field installation for maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400A rating suitable for protecting medium-to-large industrial circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePole configuration:\u003c\/strong\u003e 3-pole design for balanced control across all phases.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 480V operation tailored for standard 3-phase industrial distribution.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-on mounting for secure, durable installation in compatible enclosures.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdentification:\u003c\/strong\u003e Part number XM433400 ensures precise compatibility with appropriate panels and accessories.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis breaker is ideal for scenarios where existing equipment requires exact matching specifications—whether you’re performing routine maintenance, retrofitting legacy systems, or replacing a failed unit. The bolt-on design simplifies retrofit work in panels that support this mounting method, helping you minimize downtime and maintain electrical safety and reliability.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eUse cases and practical applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance: Replace aging or faulty 3-pole 480V breakers to restore reliable protection in your distribution network.\u003c\/li\u003e \u003cli\u003eRetrofit: Upgrade or reconfigure existing panels to accommodate 480V, 400A three-phase circuits without extensive panel modifications.\u003c\/li\u003e \u003cli\u003eReplacement: Source a like-for-like part quickly using the XM433400 reference to preserve system compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eImportant compatibility notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways \u003cem\u003econfirm fit and ratings\u003c\/em\u003e before ordering. The part number XM433400 is the best reference for compatibility with your enclosure and existing system.\u003c\/li\u003e \u003cli\u003eEnsure your panel and wiring infrastructure are rated for 480V and can accommodate a 400A, 3-pole breaker.\u003c\/li\u003e \u003cli\u003eConsult a qualified electrician for proper installation, de-energization procedures, and adherence to local electrical codes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46425680904354,"sku":"XM433400","price":310.0,"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\/xm433400-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}