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ABB SU203M-K20 - Molded Case Breaker 20A 3-Pole

ABB
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ABB SU203M-K20 is a 3-pole molded case circuit breaker from the SU200M Series, designed for branch circuit protection in commercial and industrial environments. It is rated for 20A with a voltage capacity of 277/480Y VAC and 48/96 VDC, providing a 10kA interrupting capacity through a fixed thermal-magnetic trip unit featuring a K curve. The unit weighs 0.85 lb, mounts on a DIN rail, and includes clear contact position indication for operational status. It is certified to UL 489, CSA, and IEC/EN 60947-2 standards for both AC and DC applications. This breaker is suitable for protecting electrical systems in industrial control panels, distribution boards, and similar power distribution setups.

Key Features & Specifications
  • Manufacturer: ABB
  • Item Subcategory: Molded Case
  • Family: SU200M Series
  • Weight: 0.85 lb
  • Poles: 3
  • Amperage: 20A
  • Voltage: 277/480Y VAC, 48/96 VDC
  • Mounting Type: DIN Rail
  • Interrupt Rating: 10kA
  • Series/Frame: SU200M
  • Trip Unit: Fixed Thermal-Magnetic, K Curve
  • Certifications: UL 489, CSA, IEC/EN 60947-2
  • Protection Method: Electromechanical (thermal/magnetic)
  • Contact Position Indication: Yes
  • Current Limiting: Yes


Product Identification
  • UPC: 016779930394