TEQ 300WIR Series, 300 Watt, DC/DC Railway Converter

TEQ 300WIR Series
ART.NR TEQ 300WIR Series

The TEQ 300WIR Series is a family of isolated high performance DC/DC converter modules with ultra wide 4:1 input voltage ranges which come in a rugged, sealed metal case.

These converters are suitable for a wide range of applications, but the product is designed particularly also for industrial applications where often no PCB mounting is possible, but the module has to be mounted on a chassis. A very high efficiency and the overall heatsink construction allows an operating temperature up to +55°C with natural convection cooling without power derating and up to +80°C with power derating. Further features include output voltage trimming, Remote On/Off and under voltage lockout. The ultra-wide input voltage range makes these converters also an interesting solution for battery operated systems.


  • High power block with excellent thermal convection
  • Operating temperature -40°C to +80°C
  • Increased shock & vibration resistance
  • Ultra wide 4:1 input voltage range
  • EN 50155 approval for railway applications
  • Excellent efficiency up to 92%
  • Constant current output characteristic for battery load applications
  • Power sharing (up to 3 pcs in parallel)
  • Input filters meet EN 55022, class A
  • Under voltage lock-out circuit

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