The MEAN WELL RSD-30 series of 30 W enclosed type DC-DC converters is approved to EN50155/IE60571 for railway applications and available in three models, all with a 4:1 input but differing ranges (9~36 V / 18~72 V / 40 ~160 V). Compatible with industry standard input voltages between 12 and 110 V, the RSD-30 has selectable outputs between 3.3 and 24 V. Capable of functioning at temperatures between -40°C and +70°C, its features include low ripple and noise, strong EMC characteristics, 4KVDC I/P-OP. low enclosure profile and an interior with semi-potted silicone.

Bel Power Solutions MELCHER rugged 3U cassettes


Features   Applications
  • Compliance to EN50155 and EN45545-2 railway standard
  • Ultra compact and 1U low profile (25mm)
  • 4:1 wide input range
  • No minimum load required
  • Protections: Short circuit / Overload / Overvoltage / Input reverse polarity
  • 4000VDC I/O isolation (reinforced isolation)


  • Half encapsulated , cooling by free air convection
  • -40~+70  wide working temperature °C
  • Built-in constant current limiting circuit
  • LED indicator for power on
  • 3 years warranty
  • Bus tram,metro or railway system
  • Wireless networks
  • Telecom or datacom systems
  • High vibration, extreme dust, extremely low or high temperature harsh environments
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