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True Blue Power® products are sold to qualified avionics/instrument shops, FAA repair stations, fixed base operators (FBOs) and original equipment manufacturers (OEMs).

True Blue Power is a division of Mid-Continent Instrument Co., Inc. True Blue Power products can be purchased through Mid-Continent’s online shopping tool at www.mcico.com. Click continue to be directed to the mcico.com purchasing page.

If you are not a business, please contact your local avionics dealer and ask for a True Blue Power product.



TI250 Series

DC-to-AC Inverter

The highly efficient TI250 Series DC-to-AC Inverter produces 250 watts of power from an aircraft’s 28 VDC input. Engineered to run cooler and featuring a fanless design, the TI250 Series saves energy and reduces weight, making these inverters lighter and smaller than competing units. View all Inverters Buy Now


  • Supplies 250 watts of power
  • Compact design — lighter and smaller than competing inverters
  • Lightweight — 2.2 to 2.6 lbs
  • 87 – 90% efficient
  • Input transient, overload, short-circuit protection — up to 150% of rated load without damage
  • Ground fault interrupter (GFI) protection
  • Remote On/Off
  • Designed and built in Wichita, Kansas, USA
  • Two-year limited warranty


Model Number TI250 TI254 TI256
Part Number 6430250-1 6430250-2 6430250-3
Input Voltage 20 – 36 VDC
Input Current 10A at 28 VDC input
Output Voltage 115 VAC ± 3% 115 VAC ± 3% 115/26 VAC ± 3%
Output Power 250 VA
Output Frequency 60 Hz ± 0.1% 400 Hz ± 0.1% 400 Hz ± 0.1%
Output Waveform Single phase, true sine wave, < 3% total harmonic distortion
Power Conversion Method Current mode control
Weight 2.2 lbs 2.2 lbs 2.6 lbs
Altitude 55,000 ft
Humidity Tested to greater than 95% for 10 days, temperature cycle of 100°F to 150°F
Temperature –65°F to +160°F (-55°C to +70°C)
Mating Connector MS3106A-18-9S (MCI P/N 9016905-1,-2)
Case Anodized aluminum extrusion, blue
Certification FAA TSO-C73 certified
RTCA DO-160G qualified


Product Flier

Installation Manual
IM 9018067

Technical Drawing
OL 6430250

Inverter Comparison Chart

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