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Siemens UEC4050ED - 50A 3P Bus Plug (18kA AIC, 480V)

Siemens
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Siemens UEC4050ED is a bus plug circuit breaker designed for protecting three-phase industrial busway systems from overload and short-circuit faults. It features a 50A current rating and a 480V AC voltage rating, with a robust construction weighing 35 lb and utilizing 4 AWG wire connections for secure installation. This unit complies with industry standards and is engineered for use with ED-frame compatible busway, offering an interrupting capacity of 18kA at 480V AC. Its typical applications include power distribution in manufacturing facilities, data centers, and other commercial environments requiring reliable feeder protection.

Key Features & Specifications
  • Type: XL-U Family, UEC Type, Bus Plug Circuit Breaker
  • Voltage Rating: 480V AC
  • Current Rating: 50A
  • Phase: 3
  • AIC Rating: 18kA @ 480V AC
  • Compatible Frames: ED
  • Wire Size: 4 AWG
  • Weight: 35 lb


Product Identification
  • Manufacturer Part Number: UEC4050ED