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$239.40 ea

9 Days Lead Time

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  • Jameco Part no.: 2309727
  • Manufacturer: MEAN WELL
  • Manufacturer no.: RSD-500D-12
  • NCNR (Non-Cancelable, Non Returnable)
  • HTS code: 8504406012
  • Web Exclusive
# of units Price
1+ $239.40
5+ $218.00
25+ $196.55

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DC-DC Converter Enclosed Reliable Railway Type 12V 35A 420W 67.2Vin to 154Vin


  • Compliant to EN50155 and EN45545-2 railway standard
  • 1U low profile: 41 mm
  • 2:1 wide input range
  • Fanless design, half encapsulated, cooling by free air convection
  • -40 to +80°C wide operating temperature
  • DC output adjustable
  • Protections: Short circuit, overload, over voltage, over temperature, input reverse polarity, input under voltage
  • 4 KV DC I/O isolation (reinforced isolation)
  • Operating altitude up to 5000 meters
  • LED indicator for power ON
  • 3 year warranty


  • Output Voltage: 12 VDC
  • Rated Current: 35 A
  • Rated Power: 420 W
  • Input Voltage: 67.2 VDC to 154 VDC
  • Efficiency: 93%
  • Connections: Screw terminal input and output
  • Size (LxWxH): 9.33" x 3.94" x 1.61 " (237 x 100 x 41 mm)
  • Agency Approvals: UL, CUL, CB, CE, EN, EAC


  • Bus, tram, metro or railway systems
  • Industrial control systems
  • Semi-conductor fabrication equipment
  • Factory automation
  • Electro-mechanical
  • Wireless networks
  • Telecom or datacom systems
  • High vibration, highly dusty, extremely low or high temperature harsh environments

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Specification Value
Number of Outputs1
Output Voltage12 VDC
Additional Output Voltages (VDC)n/a
Output Current35 A
Input Voltage Range67.2 VDC to 154 VDC
Maximum Input Current5 A
Output Connector TypeScrew Terminal Block
PackageRailway Enclosed
Size (L" x W" x H")9.33 x 3.94 x 1.61
Agency ApprovalsUL, CUL, CB, CE, EN, EAC
Power Rating420 W
Product TypeRailway Singe Output DC to DC Converter
Input Voltage110 VDC
Minimum Operating Temperature-40°C
Maximum Operating Temperature80°C
Length9.33 in.
Width3.94 in.
Height1.61 in.

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