{"product_id":"hkw3400f","title":"Cutler Hammer HKW3400F - 400A, 3-Pole, Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eCutler Hammer HKW3400F\u003c\/strong\u003e is a rugged 400A, 3-pole circuit breaker engineered for demanding power delivery environments. Designed to slot into panelboards, switchboards, and control panels, this unit provides dependable overcurrent protection while supporting the needs of high-current, three-phase systems.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey capabilities that matter in the real world\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e400A current rating\u003c\/strong\u003e— suitable for high-load feeders and large motor circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration\u003c\/strong\u003e— ideal for three-phase power, delivering synchronized protection across all phases and helping prevent unprotected phase faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile mounting for distribution and control\u003c\/strong\u003e— compatible with panelboards, switchboards, and motor control centers, enabling flexible integration in new builds or upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable overcurrent protection\u003c\/strong\u003e— engineered for consistent performance in industrial, commercial, and OEM applications where downtime and damage must be minimized.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal for\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eIndustrial facilities with heavy motors and high-current feeders\u003c\/li\u003e \u003cli\u003eCommercial power distribution rooms needing robust, scalable protection\u003c\/li\u003e \u003cli\u003eOEM equipment where dependable, three-phase protection is a core requirement\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eUse cases and practical scenarios\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIn motor control centers and large distribution panels, the HKW3400F provides the decisive interruption needed to protect wiring, motors, and drives during overloads or fault conditions. Its 3-pole design ensures all phases trip together, reducing the risk of phase imbalances that can stress equipment and extend downtime.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy this matters compared to other solutions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eChoosing a 3-pole, 400A Cutler Hammer breaker means aligning with a trusted family of protection devices known for consistency in demanding environments. The HKW3400F’s configuration is purpose-built for three-phase systems, delivering coordinated protection across all lines while accommodating the high-current demands of industrial and OEM installations. This combination translates to fewer nuisance trips during normal operation and tighter, safer control of fault currents when faults occur.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical installation notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEnsure proper compatibility with your panelboard, switchboard, or motor control center and follow all applicable electrical codes and manufacturer guidelines. Verify that your system is configured for a 3-pole device and consider cooling and enclosure placement to maintain reliable operation in environments with substantial current and motor loads.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Cutler Hammer","offers":[{"title":"Default","offer_id":46390768894114,"sku":"HKW3400F","price":14.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_098b4543-ef40-4ec4-ab82-6e91f356f01b.png?v=1765379640","url":"https:\/\/www.ampstate.com\/products\/hkw3400f","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}