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7.5 W power supply units

Key features

  • high reliability confirmed by twenty years of operation as part of the onboard equipment of Russian Railways locomotives 
  • interchangeability with similar AC/DC converters of non-Russian origin
  • built-in capacitors
  • high efficiency — at least 70%
  • mean time between failures — at least 20,000 hours
  • guaranteed life — 3 years
  • average service life — at least 15 years
  • guaranteed period of storage — 1 year

Operation conditions 

  • operating temperature range: -40 to +60 °С
  • vibration: 5—150 Hz, 10 m/s² (1 g)
  • high temperature/humidity — 98% 

Modifications

DesignationInput voltage range, VOutput voltage, VLoad current, max., A
MP-7.5-220/5 85—242 5.00 ±0.05 1.50
MP-7.5-220/24 85—242 24.00 ±0.24 0.30
ParameterValue
Output power 7.5 W
Rated input voltage ~220 V
Output voltage ripple factor at 100 kHz frequency, not more than 2 %
Insulation resistance, not less than  50 MΩ
Input-output insulation strength 1500 V
Input-enclosure insulation strength 1500 V
Dimensions, up to 70х98х19 mm
Weight, up to 170 g

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