{"product_id":"s5n","title":"ABB S5N - 400A, 3-Pole, Molded Case Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eABB S5N - 400A, 3-Pole, Molded Case Circuit Breaker\u003c\/strong\u003e delivers dependable overcurrent protection for industrial power distribution. With a 400A rating and a true 3-pole design, this MCCB is engineered to handle three-phase loads with precision, enabling safe, controlled shutdown during faults in panelboards, switchboards, and control panels.\u003c\/p\u003e \u003ch2\u003eKey advantages that matter in the field\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e400A current rating\u003c\/strong\u003e supports high-demand circuits in industrial environments without compromising protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-Pole configuration\u003c\/strong\u003e provides balanced protection for three-phase systems, ensuring coordinated tripping across all phases.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMolded case construction\u003c\/strong\u003e offers a compact, modular footprint ideal for dense panel layouts and streamlined system integration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile installation\u003c\/strong\u003e suitable for panelboards, switchboards, and control panels in a wide range of settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable protection for distribution and motor-control applications\u003c\/strong\u003e—a trusted solution in industrial, commercial, and OEM environments where safety and uptime are critical.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWho benefits most\u003c\/h2\u003e\n\u003cp\u003eElectrical engineers, panel builders, OEM equipment manufacturers, and maintenance teams will find the ABB S5N MCCB indispensable when building or upgrading power distribution and motor-control centers. It’s ideal for applications that demand consistent short-circuit and overcurrent protection with straightforward integration into existing 3-phase systems.\u003c\/p\u003e \u003ch2\u003ePractical use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003ePrimary protection in distribution panels and switchgear for manufacturing lines and processing facilities.\u003c\/li\u003e \u003cli\u003eProtecting feeders and motor circuits within motor control centers (MCCs) and large control panels.\u003c\/li\u003e \u003cli\u003eReplacement or retrofit in commercial-grade switchboards where robust, long-life protection is required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePerformance and installation considerations\u003c\/h2\u003e\n\u003cp\u003eFor optimal operation, pair the ABB S5N with compatible upstream protection devices to achieve proper coordination and minimize nuisance trips. Its three-pole design makes it suitable for standard three-phase power systems, and it integrates with common panelboard and switchboard architectures used in industrial and OEM settings. Ensure installation is performed by qualified personnel following all applicable electrical standards and safety guidelines.\u003c\/p\u003e \u003ch2\u003eWhy choose this over generic breakers\u003c\/h2\u003e\n\u003cp\u003eThe ABB S5N brings a proven track record of reliability in demanding environments, backed by ABB’s engineering commitment to precision protection. Its molded case design delivers a compact, durable solution capable of withstanding the rigors of continuous operation in distribution panels and motor control centers, while maintaining clear, predictable trip behavior across three phases.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ABB","offers":[{"title":"Default","offer_id":46390620717218,"sku":"S5N","price":1138.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_b80de00f-d77b-4b39-a88d-1fff209805bf.png?v=1765378276","url":"https:\/\/www.ampstate.com\/products\/s5n","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}