{"product_id":"ite-cj3f400-circuit-breaker","title":"ITE | CJ3F400 | Circuit Breaker | 400A | 3-Pole | 600V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the ITE CJ3F400 circuit breaker—a rugged, bolt-on solution engineered for demanding 600V electrical systems. With a \u003cstrong\u003e400A\u003c\/strong\u003e rating and a \u003cstrong\u003e3-Pole\u003c\/strong\u003e design, this unit is built to protect high-current circuits while fitting seamlessly into compatible panels. When you need a precise, maintenance-ready replacement, the CJ3F400 delivers the right specifications in a compact, field-ready package.\u003c\/p\u003e \u003ch3\u003eCore specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e CJ3F400\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat makes the CJ3F400 stand out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eExact form factor and mounting pattern for straightforward \u003cem\u003ebolt-on\u003c\/em\u003e installation in compatible panels, minimizing modification time and downtime.\u003c\/li\u003e \u003cli\u003eSpecifically matched to 600V distribution schemes, providing reliable protection for multi-phase circuits without over- or under-sizing.\u003c\/li\u003e \u003cli\u003eDesigned for maintenance, retrofit, and replacement scenarios where precise spec alignment is essential to keep systems running smoothly.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofit projects where an existing panel requires a \u003cstrong\u003e400A, 3-Pole, 600V\u003c\/strong\u003e bolt-on breaker to restore or upgrade protection.\u003c\/li\u003e \u003cli\u003eMaintenance replacements in industrial control rooms, manufacturing lines, and critical power distributions that demand exact specifications.\u003c\/li\u003e \u003cli\u003eNew installations or panel upgrades that specify the CJ3F400 form factor and current rating to ensure compatibility and reliable performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility notes\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, verify fit and ratings to ensure seamless replacement. The \u003cstrong\u003eCJ3F400\u003c\/strong\u003e part number is the best reference for compatibility with your panel and bus system. If your maintenance or retrofit plan calls for a 600V, 400A, 3-pole bolt-on breaker, this unit is designed to meet those exact requirements with a straightforward, secure installation.\u003c\/p\u003e \u003ch3\u003ePractical tips for reliable performance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eKeep a spare \u003cstrong\u003eCJ3F400\u003c\/strong\u003e on hand for planned maintenance or unexpected panel downtime.\u003c\/li\u003e \u003cli\u003eEnsure the electrical gear is de-energized and de-pressurized before replacement to maintain safety and protect components.\u003c\/li\u003e \u003cli\u003eFollow manufacturer torque specifications for bolt-on mounting to guarantee a solid, vibration-resistant connection in fluctuating operating conditions.\u003c\/li\u003e \u003cli\u003eStore in a clean, dry environment to prevent corrosion or contamination that could affect performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor professionals executing panel retrofits, replacements, or maintenance, the ITE \u003cstrong\u003eCJ3F400\u003c\/strong\u003e bolt-on circuit breaker provides a precise, dependable solution crafted to meet exacting 600V, 400A, 3-pole requirements.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ITE","offers":[{"title":"Default Title","offer_id":46426680295586,"sku":"CJ3F400","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\/ite-cj3f400-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}