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ABB S271K-0.5A - Miniature Circuit Breaker 0.5A 1-Pole

ABB
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ABB S271K-0.5A is a miniature circuit breaker designed for precise overcurrent protection in low-current industrial and commercial applications. It operates at a rated voltage of 230/400V AC with a rated current of 0.5A and offers a high interrupting capacity of 14kA at 240VAC. The device features a single pole configuration, a compact design for DIN rail mounting, and a protection rating of IP20, with connection capacity for 2 x 1.5 mm² conductors and a maximum tightening torque of 0.4 Nm. It complies with industry standards for electrical distribution and operates across a frequency range of 50/60 Hz and an operating voltage range of 12V to 480V AC. Typical applications include protection of control circuits, instrumentation, and low-power loads in panel boards and automation systems.

Key Features & Specifications
  • Type: Miniature Circuit Breaker
  • Rated Current: 0.5A
  • Poles: 1
  • Mounting Type: DIN Rail
  • Interrupting Capacity: 14kA @ 240VAC
  • Series: S271
  • Trip Unit: K
  • Rated Voltage: 230/400V AC
  • Frequency: 50/60 Hz
  • Connection Capacity: 2 x 1.5 mm²
  • Max. Tightening Torque: 0.4 Nm
  • Protection Rating: IP20
  • Operating Voltage Range: 12V to 480V AC
  • Manufacturer: ABB
  • Item Subcategory: Trip Units & Programmers
  • Weight: 0.17 lb