The MD420 Emergency Power Supply System is designed to supply emergency power to the Mid-Continent Instrument 4200 and 4300 series attitude indicator when the aircraft main power buss has been de-energized. Additionally, the MD420 will supply emergency lighting power to two additional instruments such as an airspeed and altimeter. During normal aircraft operation, the MD420 will utilize the aircraft main power buss to recharge or maintain existing charge on the System.
FEATURES
• Designed to operate Mid-Continent Instruments standby attitude indicator for one hour after primary power loss
• Simultaneously provides power for lighting to attitude indicator, airspeed, and altimeter
• Automatic features include:
-Arms at beginning of flight
-Activates instantly upon power loss
-Recharges during flight
Turns off after flight
• Utilizes sealed lead-acid cells for reliability and cold weather performance
• Airspeed or optional electrical input provides automatic switching to emergency power without pilot intervention
• Powers LED or incandescent lighting at 5, 14 or 28 VDC (three instruments)
• Remote, mini-annunciation switch (with automatic dimming) controls test and manual operation
• Lightweight 3.2 lbs.
• Quality Mil-Spec connectors included
• Field replaceable batteries
• Designed and built in Wichita, Kansas, USA
• One year limited warranty |
Electrical - Power Supplies
