{"product_id":"abb-s203u-k15","title":"ABB S203U-K15 15A 3-Pole 240 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003ch2\u003eABB S203U-K15 15A 3-Pole 240 V Circuit Breaker\u003c\/h2\u003e\n\u003cp\u003eProtect your three‑phase electrical system with precision and reliability using the ABB S203U-K15. This 15‑amp circuit breaker is engineered to guard wiring and equipment in 3‑pole, 240 V electrical panels, delivering dependable overcurrent protection when it matters most. Built around ABB’s trusted engineering, it pairs straightforward performance with robust, real‑world durability.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 15 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-K15\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy a three-pole design matters\u003c\/h3\u003e\n\u003cp\u003eIn three‑phase systems, protecting all three conductors simultaneously reduces the risk of unbalanced faults that can damage motors, transformers, or drives. The S203U-K15 provides synchronized protection across all phases, helping prevent nuisance trips and minimizing downtime caused by phase-related faults.\u003c\/p\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eThree‑phase motor circuits in light industrial or commercial equipment\u003c\/li\u003e \u003cli\u003eHAC and compressor panels where reliable, consistent protection across all phases is essential\u003c\/li\u003e \u003cli\u003eDistribution panels operating at 240 V that require a compact, dependable trip device\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat makes it valuable\u003c\/h3\u003e\n\u003cp\u003eBeyond simple cut‑offs, the S203U-K15 helps maintain system integrity by promptly interrupting fault currents while preserving downstream equipment. Its ABB lineage signals quality, predictable trip characteristics, and a design that technicians can rely on during routine maintenance or after a fault event.\u003c\/p\u003e \u003ch3\u003eTips for integration and use\u003c\/h3\u003e\n\u003cp\u003eEnsure compatibility with your panel or enclosure’s bus and mounting style, and verify that the S203U-K15 matches the original device’s electrical characteristics. When replacing an existing breaker, confirm the part number and specifications align with your current 3‑phase, 240 V setup to maintain consistent protection across the system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":46423146102946,"sku":"S203U-K15","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/abb-s203u-k15","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}