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TC240 Series

DC-to-DC Converter

The TC240 Series DC-to-DC Converter produces 240 watts of power from the aircraft’s 28 VDC input. Featuring variable output voltage, the converter delivers a range of 5-18 VDC to power electronic equipment throughout the aircraft, including a variety of in-seat, cabin and cockpit power applications. View all Voltage Converters Buy Now
TC240 Series DC-to-DC Converter thumb
TC240 Series DC-to-DC Converter Top thumb
TC240 Series DC-to-DC Converter Front thumb
TC240 Series DC-to-DC Converter Side thumb


  • Supplies 240 watts of DC power
  • Adjustable 5 – 18 VDC output
  • Lightweight — 0.70 lbs
  • Input transient, overload and short circuit protection, temperature monitoring, reverse polarity
  • 95% efficiency
  • Remote On/Off (optional)
  • No cooling required
  • Can be mounted in the floor, cabin wall or outside the pressure vessel
  • Designed and built in Wichita, Kansas, USA
  • Two-year limited warranty
  • FAA TSO Certified


  Product Comparison
Model Number TC240   True Blue Power TC120
Part Numbers 6430240-1
6430240-2 (remote on/off included)
6430120-2 (remote on/off included)
Input Voltage 22 – 32 VDC 22 – 32 VDC
Input Current 10.0 A Nominal 5.0 A Nominal
Output Voltage 5 – 18 VDC adjustable 5 – 18 VDC adjustable
Output Power 240 watts 120 watts
Regulation 1% load, 2% temperature 1% load, 2% temperature
Weight 0.70 lbs (0.32 kg) 0.65 lbs (0.29 kg)
Altitude 55,000 ft 55,000 ft
Temperature -67°F to +158°F (-55°C to +70°C) -67°F to +158°F (-55°C to +70°C)
Mating Connector

MCI P/N 9018654 (included)

MCI P/N 9018655 (included)
6430120-1, -2
MCI P/N 9018651 (included)
Case Anodized aluminum, blue Anodized aluminum, blue
Certification FAA TSO C71 certified
RTCA DO-160G qualified
FAA TSO C71 certified
RTCA DO-160G qualified


Related Products

TC120 Series DC-to-DC Converter
TC120 Series
120 watt DC-to-DC Converter
TC230 Series DC-to-DC Converter
TC230 Series
230 watt DC-to-DC Converter

Voltage Converter Comparison Chart