{"product_id":"hyundai-electric-hbs403-circuit-breaker-400a-440vac-35ka","title":"HYUNDAI ELECTRIC HBS403 CIRCUIT BREAKER 400A 440VAC 35KA","description":"\u003cdiv\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe HYUNDAI ELECTRIC HBS403 Circuit Breaker is a robust, high-capacity solution for reliable electrical distribution across industrial, commercial, and demanding residential installations. Engineered by HYUNDAI ELECTRIC, this unit is designed for panel upgrades, retrofit projects, and maintenance replacements where dependable protection and quick service are essential. With a 400 A rating, 440 VAC operating voltage, and a 35 kA interrupting capacity, it protects large loads and complex circuits with confidence.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 400 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 440 VAC\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShort-circuit current rating:\u003c\/strong\u003e 35 kA\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSpaces \/ circuits:\u003c\/strong\u003e 403 circuit positions\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho benefits from this breaker\u003c\/h3\u003e\n\u003cp\u003eIdeal for electricians, panel builders, and MRO teams who regularly perform panel upgrades, retrofits, or maintenance replacements. When downtime matters and dependable protection is non-negotiable, the HBS403 delivers consistent performance for service work, large-scale projects, and spare-part stocking strategies.\u003c\/p\u003e \u003ch3\u003eWhy it matters\u003c\/h3\u003e\n\u003cp\u003eIn demanding environments, protection against overcurrents at 440 VAC while handling substantial load demands is critical. The HBS403’s 35 kA interrupting capacity provides a robust barrier against fault conditions, helping minimize equipment damage and unplanned outages. Its 400 A rating supports sizeable feeder and main circuit protection without requiring multiple smaller devices.\u003c\/p\u003e \u003ch3\u003ePractical use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMain distribution panels in manufacturing plants upgraded from aging or undersized breakers\u003c\/li\u003e \u003cli\u003eRetrofit installations in large commercial buildings seeking consolidation of circuits into a single, high-capacity panel\u003c\/li\u003e \u003cli\u003eMaintenance replacement scenarios where quick availability and trusted performance are key\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility notes\u003c\/h3\u003e\n\u003cp\u003ePlan around your enclosure size, busbar configuration, and wiring practices. Confirm mounting compatibility with your Hyundai Electric ecosystem and ensure appropriate clearance, torque specifications, and safety protocols during installation. This breaker is designed to integrate into modern distribution schemes requiring robust protection and straightforward serviceability.\u003c\/p\u003e \u003ch3\u003eUnique value proposition\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eTrusted Hyundai Electric build quality backed by decades of distribution experience\u003c\/li\u003e \u003cli\u003eHigh-capacity 400 A protection with a strong 35 kA interrupting rating for demanding fault conditions\u003c\/li\u003e \u003cli\u003eExtensive 403-circuit space capability reduces the need for multiple panels in large projects\u003c\/li\u003e \u003cli\u003eTailored for upgrades, retrofits, and service replacements where reliability and fast availability matter most\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to proceed\u003c\/h3\u003e\n\u003cp\u003eChoose the HYUNDAI ELECTRIC HBS403 Circuit Breaker to fortify your distribution network with reliable protection and scalable circuit capacity. Perfect for stock-ready maintenance, panel builds, and retrofit work—delivering peace of mind for installers and operators alike.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"HYUNDAI ELECTRIC","offers":[{"title":"Default Title","offer_id":46395799339170,"sku":null,"price":2696.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/hyundai-electric-hbs403-circuit-breaker-400a-440vac-35ka-panel-187.webp?v=1788967657","url":"https:\/\/www.ampstate.com\/products\/hyundai-electric-hbs403-circuit-breaker-400a-440vac-35ka","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}