Duratrax Micro Fail-Safe Unit

Tower Stock# LXHLV3  •  Manufacturer Stock# DTXM4000
Duratrax Micro Fail-Safe Unit (large view)
Notes from our tech department:
This is the Micro Duratrax Failsafe Unit.


Prevents runaway nitro or gasoline powered vehicles
Operates with both 4.8 and 6V batteries
Protects against low receiver battery power below 3.8V and loss of
radio frequency
Universal male and female plugs are compatible with Futaba, JR,
Hitec and Airtronics Z radio systems, see COMMENTS below


One Duratrax Failsafe Unit with universal male and female plugs


Use of NiCD or NiMH batteries, do NOT use ALKALINES
Connecting between receiver and throttle servo


Length: 0.92" (23.5mm)
Width: 0.67" (17mm)
Thickness: 0.23" (5.8mm)
Weight: 0.18oz (5g) approximate
Length of Wires: 2.75" (70mm) approximate


Be certain radio system uses center red positive receiver/servo
1. Turn on your transmitter and power to your receiver.
2. From your transmitter throttle, set the amount of brake you
would like applied to the throttle/brake servo when Failsafe
is activated from loss of signal or battery power.
3. While holding this throttle position from your transmitter,
push and hold the "set" button on the Failsafe for 2 seconds
until the red LED is illuminated. The Failsafe position is
the same for both battery and signal Failsafe.
*******This is only for AM and FM and Futaba 2.4 GHz (tested) systems.******

Updated JBM 1-12-06
updated jpg 6/24/10
jxs 10/18/04
Update EEW 9/25/06
updated jpg 3/7/07

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