Minmax Power's DC-DC Converters for Railway Applications

By Rob GrayMay 23, 2017

Minmax Power, a global power supply company specializing in encapsulated DC/DC and AC/DC converters for railway, information technology, medical, instrumentation, and industrial applications, offers a range of superior DC-DC converters with power ranging from 10 to 75W.

The MINMAX Railway DC-DC Converter family is specially designed to meet the rugged requirements of critical railway applications in traction inverter, backup power system, train operation monitor, gate controller and other railway systems. The converters are rigorously tested in various environments to comply with the railway approval EN50155 (IEC60571) with a railway input voltage range of 24V, 48V, 72V, and 110VDC.

The MINMAX DC-DC converter product line features a tight output voltage regulation of 5V, 12V, 15V, and 24 VDC with an advanced circuit topology that leverages striking performance efficiency up to 92%. The railway approved converters with a power range of 10-75W meet the cooling and transient requirements in accordance with railway applications while conforming to EN61373 vibration and thermal shock test, railway EMC standard EN50121-3-2, and IEC/EN 60068-2 dry and damp heat test. 

Key features of Minmax Power's DC-DC Converters for Railway Applications

The DC-DC converter product line for railway applications comes with integrated features, which include:

  • Industrial Standard 2" X 1" package
  • Operating ambient temperature range -40℃ to +95℃
  • High efficiency up to 92%             
  • Base plate temperature up to 105℃
  • I/O isolation up to 3000VAC with reinforced insulation
  • No minimum load requirement
  • Metal case with isolated base plate
  • Remote ON/OFF control
  • Output voltage trim, output sensing

Protection features of MINMAX Railway DC-DC Converter family

The MINMAX railway DC-DC converter family meets the EN45545-2 fire protection ratings to ensure the safety of the system in harsh and ruggedized environments inherent in railway applications. In addition, the DC-DC converters include extended temperature ranges along with other protection features like –

  • Improved shock and vibration protection
  • Under voltage protection
  • Over voltage protection
  • Short-circuit protection
  • Overload protection

Licenses and approvals of MINMAX DC-DC Converters for Railway Applications

MINMAX has obtained the following approvals especially for their DC-DC converters in railway applications:

  • UL/cUL/IEC/EN 60950-1 safety approval
  • Vibration and thermal shock test meets EN61373
  • Cooling, dry and damp heat test meets IEC/EN 60068-2-1, 2, 30
  • Railway EMC standard EN50121-3-2
  • Railway Approval meets EN50155 (IEC60571)
  • Fire protection test meets EN45545-2

Please visit MINMAX for more information on the Railway DC-DC Converter family, or contact the WPGA Power Specialists for inqueries related to these MINMAX product and purchase options.