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ABB S203U-K20 - Molded Case Circuit Breaker 20A 240V 3-Pole

ABB
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ABB S203U-K20 is a 3-pole molded case circuit breaker from the S 200 U Series, designed for LI (Long-Time and Instantaneous) protection functions. It is rated for 20A current at 240V voltage, with a 10kA interrupting capacity at 240V, and operates on a 3-phase system. The unit weighs 0.8 lb, features a bolt-on connection, and utilizes thermal-magnetic protection with a K characteristic curve. It complies with UL 489, CSA 22.2 No. 5, and IEC 60947-2 standards, and is suitable for commercial and industrial applications requiring reliable overload and short circuit protection.

Key Features & Specifications
  • Manufacturer: ABB
  • Item Subcategory: Molded Case
  • Family: S 200 U Series
  • Weight: 0.8 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 240V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 10kA@240V
  • Phase: 3
  • Current Rating: 20A
  • Amperage: 20A
  • Voltage: 240 VAC
  • Number of Poles: 3
  • Mounting Type: Bolt-On / DIN Rail
  • Interrupt Rating: 10 kA at 240 VAC
  • Frame Type: S203
  • Trip Unit: Thermal-Magnetic, K Curve
  • Certifications: UL 489, CSA 22.2 No. 5, IEC 60947-2
  • Frequency: 50/60 Hz
  • Current Limiting Series