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Siemens UEC4050ED2 - Breaker Type 50A 240V (3-Phase 4-Wire)

Siemens
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Siemens UEC4050ED2 is a breaker-type bus plug designed for overcurrent protection in 3-phase, 4-wire power distribution systems. It is rated for 50A at 240VAC with a 10kA interrupting capacity at 240V, and it features a mechanical interlock that prevents installation or removal while the switch is in the ON position. The unit weighs 35 lb, supports 4-wire configurations, and is compatible with ED frames within the XL-U family, incorporating ground stabs for positive contact and guide stabs to prevent incorrect rotation. It complies with UL 857, UL 489, CSA C22.2 No. 27, and NEMA BU 1.1 standards, with an IP40 enclosure rating. This bus plug is suitable for plug-in mounting to BD busway in both horizontal and vertical industrial applications.

Key Features & Specifications
  • Type: Breaker Type (Circuit Breaker)
  • Manufacturer: Siemens
  • Family: XL-U
  • Type: UEC
  • Current Rating: 50 Amps
  • Voltage Rating: 240 VAC
  • Phase: 3-Phase, 4-Wire
  • Frame Size: ED2
  • AIC rating: 10kA@240V
  • Weight: 35 lb
  • Enclosure Rating: IP40
  • Mounting: Plug-In to BD Busway
  • Mechanical Interlock: Yes
  • Ground Stabs: Yes
  • Standards: UL 857, UL 489, CSA C22.2 No. 27, NEMA BU 1.1