{"product_id":"abb-s6hd-4p-400a-circuit-breaker","title":"ABB | S6HD-4P-400A | Circuit Breaker | 400A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the ABB \u003cstrong\u003eS6HD-4P-400A\u003c\/strong\u003e Circuit Breaker — a precise, dependable protection device designed for three-phase electrical systems up to 600V. With a 400A rating spread across 3 poles, this unit is engineered to safeguard distribution panels, feeders, and industrial circuits from overloads and faults, keeping equipment and personnel safe while minimizing downtime.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 400 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 3-Pole (3P)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications\u003c\/strong\u003e: Ideal for maintenance, retrofit projects, and replacement where exact specs are required\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose this model? The S6HD-4P-400A is purpose-built for reliability in demanding environments. It provides robust overcurrent protection for three-phase circuits, ensuring quick isolation during faults and smooth coordination with upstream and downstream protection devices. It’s a practical choice for panel upgrades, service entrance rewiring, or refreshing aging protection hardware in commercial and light industrial settings.\u003c\/p\u003e \u003cp\u003eKey considerations for purchase and installation:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFit and ratings\u003c\/strong\u003e: Confirm compatibility with your panelboard and system requirements before ordering. This model is specified by the part number, so use \u003cem\u003eS6HD-4P-400A\u003c\/em\u003e as the primary reference for matching components.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConfiguration\u003c\/strong\u003e: Three-pole design suits standard 3-phase distribution without the need for additional adapters or accessories.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUse cases\u003c\/strong\u003e: Replacement of worn or obsolete breakers, retrofits to accommodate increased loads, or maintenance efficiency by stocking a direct-swap unit.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal for electrical technicians and facilities managers who value exact specifications, quick compatibility checks, and durable performance. If your project requires a 400A, 3-Pole, 600V circuit breaker with trusted ABB engineering, the S6HD-4P-400A is engineered to deliver consistent protection and operational peace of mind.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":46427397030050,"sku":"S6HD-4P-400A","price":4070.0,"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\/abb-s6hd-4p-400a-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}