×

Buy Now


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.

Continue

Aviation

TS420 Series

Emergency Power Supply

The TS420 Series Emergency Power Supply simultaneously provides one primary power output and three lighting power outputs. Pitot/Static ports or optional electrical input provides the ability to work in automatic mode without pilot intervention. View all Emergency Power Supplies Buy Now

Features

  • Provides 18 volts of rechargeable power for Mid-Continent products, lighting or critical avionics
  • Arms at the beginning of flight, recharges during flight, activates instantly upon power loss and turns off after flight
  • Powers LED or incandescent lighting at 5, 14 or 28 VDC
  • Remote, mini-annunciation switch controls test and manual operations
  • Field-replaceable battery modules
  • Utilizes sealed lead-acid cells for reliability and cold-weather performance
  • Quality Mil-Spec connectors included
  • Designed and built in Wichita, Kansas USA
  • Two-year limited warranty

Specifications

Model Number TS420 TS420-1
Part Number MD420 MD420-1
Capacity 1.0 Ah (0.05C) at 25°C 2.5 Ah (0.1C) at 25°C
Input Power 10 – 32 VDC, 0.25A nominal,
4.0A max (14 VDC) / 2.0A max (28 VDC)
Output Power 18 VDC nominal, 1.6 amps max
Weight 3.2 lbs 5.0 lbs
Dimensions 3.35” H x 6.75” L x 3.38” W 4.00” H x 7.90” L x 3.38” W
Maintenance Annual capacity check
Field-replaceable batteries
Mating Connectors 25-pin female D-Sub (MD25F20JVL0 or equivalent) — battery control unit
9-pin female D-Sub (MD9F20JVL0 or equivalent) — annunciator
Remote Test Switch Remote, mini-annunciation switch controls test and manual operations
Annunciator Lighting LED backlighting, automatic internal dimming
Battery Charging Automatic recharging when main power is present
Compatibility Provides 60 minutes or more of backup power to Mid-Continent’s Electric Attitude Indicator Model 4200 or 4300 and lighting power for two additional instruments (5, 14 or 28V)

Battery run time will vary depending on total power load and battery charge status
Certification FAA TSO-C4c certified
RTCA DO-160E qualified

Downloads

Product Flier
English

Installation Manual
IM 9016391

Technical Drawings
OL MD420
OL MD420-1

Service Bulletins
SB MD421-01