{"product_id":"hyundai-electric-hbl403-circuit-breaker-400a-440vac-42ka","title":"HYUNDAI ELECTRIC HBL403 CIRCUIT BREAKER 400A 440VAC 42KA","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the HYUNDAI ELECTRIC HBL403 Circuit Breaker — a rugged, high-current protection device designed to deliver dependable electrical distribution across industrial, commercial, and demanding residential environments. Built by HYUNDAI ELECTRIC, this main breaker is engineered for reliability in panel upgrades, retrofit projects, and maintenance replacement work where downtime and faults can be costly. It’s a trusted component for electricians, panel builders, and MRO teams who need a proven solution for service work, small projects, or stocking spares.\u003c\/p\u003e \u003ch4\u003eKey specifications\u003c\/h4\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e HYUNDAI ELECTRIC HBL403\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 400A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 440VAC\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eShort-circuit current rating:\u003c\/strong\u003e 42kA\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSpaces \/ circuits:\u003c\/strong\u003e 403 CIRCUIT\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch4\u003eWhat this enables for you\u003c\/h4\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePanel upgrades and retrofit projects:\u003c\/strong\u003e A robust main protection device that integrates smoothly with existing switchgear, helping you modernize protection schemes without unnecessary downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance and spare readiness:\u003c\/strong\u003e A reliable, field-proven component that reduces lead times when replacements are needed, keeping critical services online.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBroad application fit:\u003c\/strong\u003e Suitable for industrial facilities, commercial buildings, and demanding residential deployments where dependable fault interruption matters.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe HBL403 is designed for professionals who demand consistency: a 400A rating paired with 440VAC compatibility and a 42kA interrupting capacity, delivering a solid safety margin against high fault currents and enabling swift response to protect wiring, equipment, and personnel.\u003c\/p\u003e \u003ch4\u003eWhy choose HYUNDAI ELECTRIC HBL403\u003c\/h4\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBrand reliability:\u003c\/strong\u003e HYUNDAI ELECTRIC is known for durable protection devices that perform in challenging environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear, actionable protection:\u003c\/strong\u003e Precise current handling and robust interruption capabilities reduce the risk of cascading faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEfficient maintenance workflow:\u003c\/strong\u003e Field-friendly design supports quick swaps and straightforward integration into existing panels.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical notes for installation and planning:\u003c\/strong\u003e Before swapping, verify your panel’s space and bus connection compatibility to ensure a smooth replacement. Refer to Hyundai Electric installation guidance for correct mounting and electrical connections, and keep this breaker on hand in your service fleet or spare inventory to minimize disruption during maintenance windows.\u003c\/p\u003e \u003cp\u003eEmbrace confident protection with the HYUNDAI ELECTRIC HBL403 Circuit Breaker — a dependable solution for high-current distribution that keeps systems running protectively and efficiently.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"HYUNDAI ELECTRIC","offers":[{"title":"Default Title","offer_id":46395795636386,"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-hbl403-circuit-breaker-400a-440vac-42ka-panel-693.webp?v=1788966647","url":"https:\/\/www.ampstate.com\/products\/hyundai-electric-hbl403-circuit-breaker-400a-440vac-42ka","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}