{"product_id":"abb-s203u-k30","title":"ABB S203U-K30 30A 3-Pole 240 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eABB's S203U-K30 30A 3-Pole 240V Circuit Breaker is engineered to protect three-phase electrical systems in commercial and light-industrial environments. Built for reliable performance, this breaker interrupts overloads and short circuits, helping keep motors, pumps, conveyors, and HVAC equipment safe and operations going smoothly.\u003c\/p\u003e \u003cp\u003eDesigned for three-phase distribution, the 30 A rating provides precise protection for circuits delivering balanced power to equipment. The 240 V voltage rating ensures compatibility with standard three-phase power distribution in many facilities, and the Part Number S203U-K30 guarantees an exact fit within ABB-based panels and enclosures.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 30 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e S203U-K30\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e ABB\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this ABB breaker stands out for professionals:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAligned with three-phase systems: The 3-pole configuration ensures all three phases trip together, reducing the risk of imbalanced loads and electrical arc during a fault.\u003c\/li\u003e \u003cli\u003eIndustry-grade reliability: Backed by ABB’s reputation for durable power distribution components, designed for consistent performance in demanding environments.\u003c\/li\u003e \u003cli\u003eClear compatibility: Specifically matches ABB panels and distribution setups that require the S203U-K30 family, simplifying installation and maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use cases include motor control circuits on manufacturing lines, three-phase HVAC and pumping systems, and other equipment where balanced three-phase protection is critical. Whether you’re upgrading an existing panel or wiring a new installation, this breaker delivers straightforward, dependable protection for up to 30 amps per branch.\u003c\/p\u003e \u003cp\u003ePractical setup tips:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eConfirm panel compatibility with a 3-pole 240V configuration before installation.\u003c\/li\u003e \u003cli\u003eSize conductors to handle 30 A continuous loads and follow local electrical codes for short-circuit and overcurrent protection clearances.\u003c\/li\u003e \u003cli\u003eLabel circuits clearly to reflect three-phase protection and the S203U-K30 authorization for future maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor electrical professionals who value precise, manufacturer-backed protection in three-phase systems, the ABB S203U-K30 30A 3-Pole 240V Circuit Breaker offers targeted protection, reliable performance, and seamless integration within ABB-powered distributions.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":46423145971874,"sku":"S203U-K30","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/abb-s203u-k30-30a-3-pole-240-v-circuit-breaker-222.webp?v=1789275167","url":"https:\/\/www.ampstate.com\/products\/abb-s203u-k30","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}