Aviation

MD93 Series

Digital Clock / USB Charger

Accurate time-keeping is essential for any pilot and in-flight USB charging power is a necessity. The MD93 Series Digital Clock/USB Charger features intuitive operation with five modes: Local Time, UTC/Zulu Time, Flight Timer, Countdown Timer and Stopwatch. The Dual USB Charging Port charges any standard or high-power device with a USB interface. Available with 2.1 or 3.0 amps per port, the MD93 Series protects itself and the charging device from short circuit, power surges and over-current potential. View all USB Charging Ports Buy Now

Features

Output Power: 2.1 amps or 3.0 amps per USB port
Input Voltage: 10 – 32 VDC
Output Voltage: 5 VDC ± 0.25 per USB port
Modes: Local Time, UTC/Zulu Time, Flight Timer, Countdown Timer and Stopwatch
Simultaneously charge smartphones, iPads, tablets and EFBs at full power
Six-digit, seven-segment LED clock
More than 10-year internal battery maintains time and flight timer memory when not powered by the aircraft
Compact 2-inch size fits standard panel cutout
Short circuit, power surge and over-current protection
Designed and built in Wichita, Kansas, USA
Two-year limited warranty
FAA TSO Certified

Specifications
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Specifications

Model Number	MD93	MD93H
Part Number	6420093-1	6420093-2
Input Voltage	10 – 32 VDC
Input Current	29 W max; 2.1 amps at 14 VDC 1.0 amps at 28 VDC	36 W max; 2.6 amps at 14 VDC 1.3 amps at 28 VDC
Output Voltage	5 VDC ± 0.25 per USB port
Output Current	2.1 amps per USB port	3.0 amps per USB port
Clock Accuracy	±0.5 seconds in 24 hours
Weight	0.3 lbs
Dimensions	2.39" W x 2.39" H x 1.15" D max
Temperature	-40ºC to 70ºC (-40ºF to 158ºF)
Altitude	55,000 feet
Charging Port Type	USB Standard-A
Mating Connector Kit	MCI P/N 9018178
Mounting	Rear-panel mounted, (4) #6 screws
Case	Anodized aluminum black
Certification	FAA TSO certified to C71 EASA ETSO certified to C71 RTCA DO-160G qualified