Buy Now

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.



DC-to-AC Inverter

The TI500 DC-to-AC inverter produces 115 volts at 60 Hz for 500 watts of “wall outlet” power from an aircraft’s 28 VDC input. Lighter and 30% smaller than competing inverters, the TI500 has the same connector and footprint of legacy designs, plus overload and short-circuit protection up to 150% of the rated load. View all Inverters Buy Now


  • Supplies 500 watts of power to multiple cabin accessories, such as laptops, cell phones and MP3 players
  • Lightweight — 3.9 lbs
  • 85 – 90% efficiency
  • Input transient, overload and short-circuit protection — up to 150% of rated load without damage
  • Remote On/Off
  • Designed and built in Wichita, Kansas, USA
  • Two-year limited warranty
  • FAA TSO certified


Model Number TI500
Part Number MD50
Input Voltage 20 – 36 VDC
Input Current 20A at 28 VDC input
Output Voltage 115 VAC ± 3%
Output Power 500 VA
Output Frequency 60 Hz ± 0.1%
Output Waveform Single phase, true sine wave, < 3% total harmonic distortion
Weight 3.9 lbs
Altitude 55,000 ft
Humidity Tested to greater than 95% for 10 days, temperature cycle of 75°F to 160°F
Temperature –65°F to +160°F (-55°C to +71°C)
Integral Cooling Dual, electronically-controlled brushless fans
Mating Connector MS3106A-18-9S (MCI P/N 9016905-1,-2)
Case Anodized aluminum extrusion, blue
Certification FAA TSO-C73 certified
RTCA DO-160F qualified


Fliers and Brochures
TI500 Product Flier
Electrical Power Systems Brochure
Inverter Comparison Brochure

Installation Manual
IM 9017039

Technical Drawing

Related Products

Front mount, Standard square cover plate
TI250 Series
DC-to-AC Inverter
250 Watt, 115/26 VAC
Front mount, Standard square cover plate
TI1200 Series
DC-to-AC Inverter
1,200 Watt, 115/230 VAC
Front mount, Standard square cover plate
TI2000 Series
DC-to-AC Inverter
2,000 Watt, 115/230 VAC

Inverter Comparison Chart