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Bel Power Solutions eMobility 2nd Gen Liquid-Cooled DC-DC Converters

Bel Power Solutions eMobility 2nd Gen Liquid-Cooled DC-DC Converters create DC voltages in electric and hybrid vehicles suitable for powering low-voltage accessories. Features include high efficiency, high reliability, low output voltage noise, and excellent dynamic response to input/load changes. Specifications include an input voltage range of 240VDC to 450VDC for the 350DNG40 series and 450VDC to 900VDC for the 700DNG40. Bel Power Solutions eMobility Converters have various built-in protections, including output voltage, overcurrent, overtemperature, and input and output reverse polarity.

Features

  • Parallelable up to 8 units
  • Full galvanic isolation between input and output
  • Liquid cooled
  • CAN bus serial interface
  • Optional UDS functionality, CAN FD, and Cyber security
  • Protections
    • Adjustable output voltage
    • Overcurrent
    • Overtemperature
    • Input and output reverse polarity protection

Applications

  • Construction equipment
  • Mining applications (underground)
  • Ground support equipment
  • On- and off-highway vehicles
  • Marine equipment

Specifications

  • Up to 95% efficiency
  • Up to 4kW output power
  • IP67 and IP6k9k IP ratings
  • 15µF to 30µF input capacitance range
  • -40°C to +65°C or +85°C operating temperature range
  • 100V/ms inrush current
  • Input Voltage Range
    • 240VDC to 450VDC - 350DNG40
    • 450VDC to 900VDC - 700DNG40

Dimensions

Mechanical Drawing - Bel Power Solutions eMobility 2nd Gen Liquid-Cooled DC-DC Converters

Datasheets

Published: 2025-08-14 | Updated: 2025-08-18