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ABB S272-K4 - Molded Case 4A 2-Pole Breaker

ABB
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ABB S272-K4 is a 2-pole molded case circuit breaker designed for overcurrent protection in low voltage electrical systems. This 4 Amp unit operates at 277/480VAC with a thermal-magnetic Type K trip curve, providing current limiting and fast breaking times of 2.5–3.5 ms. The breaker features a compact design with 17.8 mm width per pole, DIN rail mounting (35 mm EN 60715), and finger-safe multi-function terminals, weighing 5.19 lb. It complies with UL 1077, CSA 22.2, IEC standards, and CE certification, with an electrical life of 10,000 operations and mechanical life of 20,000 operations. Typical applications include industrial control panels, distribution boards, and general purpose circuit protection in commercial and light industrial environments.

Key Features & Specifications
  • Manufacturer: ABB
  • Item Subcategory: Molded Case
  • Amperage: 4 Amp
  • Poles: 2
  • Voltage Rating: 277/480VAC
  • Trip Unit: Thermal-magnetic, Type K characteristic
  • Mounting Type: DIN rail EN 60715 (35 mm)
  • Interrupt Rating: Current limiting, fast breaking (2.5–3.5 ms)
  • Certifications: UL 1077, CSA 22.2, IEC, CE
  • Terminal Type: Finger safe, multi-function
  • Dimensions (HxDxW): 83x68x17.8 mm per pole
  • Electrical Life: 10,000 operations
  • Mechanical Life: 20,000 operations
  • Weight: 5.19 lb


Product Identification
  • GTIN: 641752899377