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Siemens BP421G - Fusible Bus Plug 30A 240V (BD Series)

Siemens
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Siemens BP421G is a fusible bus plug designed for 3-phase, 4-wire busway systems, providing overcurrent protection through its fusible design. It is rated for 30 amps at 240 volts with a 200kA interrupting capacity at 240V, ensuring robust fault current interruption. This BD Series unit weighs 35 lb and features a bolt-on mounting with ground and guide stabs for secure alignment and grounding, along with a mechanical interlock that prevents removal while energized. It is compatible with class R, H, and K fuses and is intended for use with Siemens XL-X type aluminum bus duct systems. Typical applications include industrial power distribution where reliable, fusible protection is required in a compact, three-phase bus plug.

Key Features & Specifications
  • Type: BP
  • Family: BD Series
  • Item Subcategory: Fusible
  • Current Rating: 30 Amps
  • Voltage Rating: 240 Volts
  • Phase: 3-Phase
  • Wire: 4-Wire
  • Fuse Class: R, H, K
  • AIC Rating: 200kA at 240V
  • Weight: 35 lb
  • Mounting: Bolt-on to busway housing
  • Mechanical interlock prevents removal under load
  • Ground and guide stabs for safety and alignment