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55-B20C - Circuit Breaker 20A 240V AC

United Fuses
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55-B20C is a circuit breaker designed for overcurrent protection in industrial electrical systems. It is rated for 20 amps at 240 volts AC, providing reliable interruption of fault currents. The unit weighs 5.19 lb and features a compact construction suitable for panel mounting. This breaker complies with UL 489 standards for safety and performance. Typical applications include motor control centers, distribution panels, and branch circuit protection in manufacturing facilities.

Key Features & Specifications
  • Type: Circuit breaker, thermal-magnetic trip
  • Voltage Rating: 240 V AC
  • Current Rating: 20 A
  • Weight: 5.19 lb
  • Standards: UL 489
  • Applications: Industrial motor control, distribution panels, branch circuits
  • Poles: 1
  • Phase: 1
  • Amperage: 20 A
  • Breaker Type: Thermal-magnetic
  • Frame Size: 100 A frame
  • Trip Type: Fixed thermal, fixed magnetic
  • Connection: Line and load terminals
  • Mounting: Panel mount
  • Frequency Rating: 60 Hz
  • Circuit Breaker Mounting Style: Bolt-on
  • Terminal Connection: Screw-type
  • Certification: UL listed
  • Installation Type: Fixed
  • Item QTY: 1
  • Current Rating: 20 A
  • Operating Temperature Maximum Celsius: 40 °C


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