PB Series

The PB Series, AC to DC Front End Power Supply is ideal for AC to DC bulk power and DC to DC power distribution. Available in Single and Three Phase AC Input versions, the PB Series offers active three phase Power Factor Correction, N+1Current Sharing and optional -55C operation, in a low profile, conduction cooled case.PB Series power products are used Airborne, Shipboard and Ground Mobile platforms and many have National Stock Numbers (NSN’s) assigned. Consult factory for details.

  • Up to 600W (Parallel up to 3KW)
  • 24V,28V,48V, 155V and 270VDC Outputs
  • Single and Three Phase AC Inputs
  • Active PFC > 0.99 for AC Operation
  • N+1 Current Sharing
  • Low Profile Case
  • Mil-Std-461 Integral EMI Filter(Optional)
  • Mil-Std-704 and 1399 Transients(Optional)
  • Mil-Std-810 Environments
  • Mil-S-901 Shock and Mil-Std-167 Vibration
Product Datasheet

Summary Specifications

  • AC Input Voltage Ranges115VAC, Single Phase, 50/60Hz, 400Hz 115VAC L-N/200VAC L-L , 3 Phase, 50/60/400Hz
  • DC Input Voltage Range270VDC
  • Output Voltage(s)24VDC, 28VDC, 48VDC, 75VDC, 155VDC, 270VDC Other outputs available – Consult Factory
  • Output PowerUp to 600W (Parallel to 3KW )
  • OptionsMil-Std-461 EMI Filter, On/off Control, Thermal Shutdown, BIT/Fault Summary, Inrush Control, Hold-up Time, Mil-Std-704 and 1399 Transient Protection, Redundant Operation, Low Noise Filters
  • Case Sizes availableSingle Phase – 2.0”H x 4.63W”W x 10.5”L Three Phase – 2.0”H x 6.0”W x 8”L(10.5” w/EMI Filter) 270VDC - 2.0”H x 6.0”W x 8.0”L
  • I/O OptionsScrew Terminals (38999 Series or D-Sub Connector optional – Case size will increase – Consult Factory)
  • Operating EnvironmentsMil-Std-810F ( See Data Sheet )
  • Operating Temperature-40C to +85C, baseplate (Conduction Cooled) -55C to +85C (Optional)

Proven Off The Shelf Technology

  • Low Program Risk
  • Quick Delivery
  • Low Cost of Ownership