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ABB S203-K50 - Molded Case 50A 480V 3-Pole Breaker

ABB
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The ABB S203-K50 is a 3-pole molded case circuit breaker designed for thermal-magnetic overcurrent protection in industrial power distribution systems. It is rated for 480V AC, 50A continuous current, and provides LI (long-time and instantaneous) protection functions with a 6kA interrupting capacity at 480V. The unit measures 69 mm deep, 88 mm high, and 52.5 mm wide, weighs 2 lb, and features a feed-thru connection configuration. It complies with EN, IEC, and UL standards, making it suitable for 3-phase applications requiring reliable short-circuit and overload protection.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal magnetic, LI protection
  • Voltage Rating: 480V AC
  • Current Rating: 50A
  • Dimensions: Depth 69 mm x Height 88 mm x Width 52.5 mm
  • Standards: EN, IEC, UL
  • Applications: 3-phase industrial power distribution, motor protection
  • Poles: 3
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • AIC rating: 6kA@480V
  • Phase: 3
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 2 lb


Product Identification
  • UPC: 01677955118
  • GTIN: 04016779551182