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Siemens UEC4045ED2 - Breaker Type 45A 240V 3-Phase Bus Plug

Siemens
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Siemens UEC4045ED2 is a 45A breaker-type bus plug designed for low-voltage busway systems, providing overcurrent protection and a safe connection point for branch circuits. This 3-phase, 4-wire unit is rated for 240V AC with a 10kA interrupting capacity at 240V, and it is part of the XL-U family with an ED2 frame configuration. The plug-in mounting design incorporates a mechanical interlock to prevent installation or removal while energized, and it weighs 35 lb. It complies with UL 857 busway standards and includes integral grounding features for enhanced safety. Typical industrial applications include power distribution in manufacturing facilities, data centers, and commercial buildings requiring flexible, plug-in connectivity.

Key Features & Specifications
  • Type: Breaker Type
  • Manufacturer: Siemens
  • Family: XL-U
  • Type: UEC
  • Weight: 35 lb
  • Wire: 4-Wire
  • Voltage Rating: 240V AC
  • Compatible Frames: ED (ED2)
  • AIC rating: 10 kAIC @ 240V
  • Phase: 3-Phase
  • Current Rating: 45 Amps
  • Mounting Type: Plug-in Busway
  • Certifications: UL 857