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ABB S203-D10 - Miniature Circuit Breaker 10A 3-Pole

ABB
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ABB S203-D10 is a 3-pole miniature circuit breaker from the S 200 Series, designed for overcurrent protection in industrial and commercial electrical systems. This thermal-magnetic molded case unit provides LI (Long-Time and Instantaneous) protection functions, rated for 10A at 480V with a 6kA interrupting capacity and a D curve trip characteristic. The device measures 69 mm in depth, 88 mm in height, and 52.5 mm in width, weighing 1.04 lb, and features a feed-thru connection with screw clamp terminals for DIN rail mounting. It is certified to EN, IEC, and UL standards, including UL 1077 compliance, with an IP20 protection rating and a rated insulation voltage of 440 V. Typical applications include branch circuit protection in panelboards, motor control centers, and distribution systems requiring reliable, current-limiting performance.

Key Features & Specifications
  • Manufacturer: ABB
  • Family: S 200 Series
  • Type: S203-D
  • Item Subcategory: Molded Case
  • Poles: 3
  • Current Rating: 10 A
  • Voltage Rating: 480 V
  • Breaking Capacity: 6 kA at 230 VAC
  • AIC Rating: 6kA@480V
  • Phase: 3
  • Protection: Thermal Magnetic
  • Trip Unit: Thermal-magnetic (D curve)
  • Functions: LI - Long-Time and Instantaneous
  • Connection: Feed-Thru
  • Mounting Type: DIN rail mount
  • Terminal Type: Screw clamp terminals
  • Protection Rating: IP20
  • Certification: EN IEC UL
  • Certifications: UL 1077 compliant
  • Dimensions: Depth / Length 69 mm X Height 88 mm X Width 52.5 mm
  • Weight: 1.04 lb


Product Identification
  • UPC: 01677953090
  • GTIN: 04016779530903