{"product_id":"ite-hj2b400-circuit-breaker","title":"ITE | HJ2B400 | Circuit Breaker | 400A | 2-Pole | 600V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eThe ITE HJ2B400 Circuit Breaker is a rugged, bolt-on protection device engineered for demanding industrial environments. Rated at 400A and 600V, this 2-pole unit is designed for maintenance, retrofit, and replacement projects where exact specifications matter. With the part number HJ2B400 serving as the best reference for compatibility, it integrates smoothly into legacy panels that rely on ITE equipment.\u003c\/p\u003e \u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-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\n\u003c\/ul\u003e \u003ch3\u003eWhy this ITE HJ2B400 stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting:\u003c\/strong\u003e Provides a solid, vibration-resistant installation that stays put in challenging environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDual-pole protection:\u003c\/strong\u003e With two conductors simultaneously isolated, it offers reliable shutdown for both lines in a circuit, enhancing safety and control.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear compatibility reference:\u003c\/strong\u003e The HJ2B400 part number is the most reliable indicator for matching legacy ITE panels and replacements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current capability:\u003c\/strong\u003e 400A rating makes it suitable for feeders and larger branch circuits common in industrial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile voltage rating:\u003c\/strong\u003e 600V coverage supports a wide range of industrial applications and distribution schemes.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications and use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance work on existing ITE panel boards that originally used HJ2B400 breakers\u003c\/li\u003e \u003cli\u003eRetrofit projects where upgrading or repairing large feeders and mains is required\u003c\/li\u003e \u003cli\u003eReplacement in legacy equipment and OEM systems that specify a 400A, 2-pole, 600V bolt-on breaker\u003c\/li\u003e \u003cli\u003eIndustrial facilities such as manufacturing floors, utility rooms, and equipment enclosures needing robust overcurrent protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eFitment, safety, and practical guidance\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, verify that the match and ratings align with your panel labeling and service requirements. The \u003cstrong\u003eHJ2B400\u003c\/strong\u003e is the primary compatibility reference for this unit, so cross-check your panel schedule or manufacturer documentation to confirm a precise fit. For any installation, follow standard electrical safety practices and rely on a qualified electrician to ensure proper torque, secure mounting, and correct circuit protection coordination.\u003c\/p\u003e \u003ch3\u003eCare, handling, and best practices\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eStore spares in a clean, dry environment to prevent corrosion and contamination.\u003c\/li\u003e \u003cli\u003eHandle with insulated tools and appropriate PPE during installation or replacement.\u003c\/li\u003e \u003cli\u003eInspect for signs of wear or damage during routine maintenance and replace if any integrity concerns are found.\u003c\/li\u003e \u003cli\u003eKeep a note of the replacement part number and panel compatibility in your maintenance log for future service needs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"ITE","offers":[{"title":"Default Title","offer_id":46427536392354,"sku":"HJ2B400","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\/ite-hj2b400-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}