Rcexcl Opto Kill Switch

Rcexcl Opto Kill Switch
Rcexcl Opto Kill Switch
Brand: RCexl
Product Code: rcexcloks
Availability: In Stock
Price: $15.00
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The Rcexl  Opto Kill Switch is hands down one of the most important items you can put on your gasser. You will have the ability to remotely shut off your electronic ignition right from your transmitter if something goes wrong.  This kill switch has a Fiber Optically Coupler to isolate your ignition system form your radio system which means no Interference between the two systems.

A few good reasons to install a kill switch

  1. Can be used to cut the motor while landing if you lose your throttle
  2. Will cut your motor if you lose rx power which could help in plane recovery.
  3. Can be set-up on applicable systems to shut motor off if system go into fail safe mode 
  4. Also a good item to have if your plane loses control and you want to kill the motor for safety reasons. 


  • Includes a remote mountable bright LED to indicate when the ignition is armed.
  •  Fiber Optic Coupled Input/output.
  •  Li-Po/Li-ion/A123/Ni-Mh/NiCad Input.
  • Up to 20 Volt 16 amp  output.
  • Low to 3 Volt 3 amp OUTPUT.
  •  Low Voltage Drop-Less than 150mv.
  • 100% Surface Mount Technology.
  • Heavy Gauge Wires, universal connectors.
  • Small and light weight-only 0.3 OZ!(8g).
  • Shut down the transmitter power or receiver to cut off automatically when kill engine.
  • This device plugs into a spare receiver channel.

Package including:
- 1x Rcexl Opto Gas Engine Kill Flameout Switch shut down



  • The number one issues we see with these kill switches are not the switches themselve but the endpoint adjustment in the transmitter. Some makes and models of transmitters have their endpoints to close and the switch will flicker on and off. Please make sure when installing the switch that you set your end points to each extreme on your transmitter for a hassel free experience.
  • People are starting to hook their kill switch directly between the battery and the receiver for weight savings. We prefer to have some sort of switch in between these two points. We have noticed that units set up in this manner sometimes have a shortened life span compaired to those that use a switch. There are many light weight switch set-up that you can utilize that will not add much weight.
  • Check your hook-up on ignitions with tach leads. We all know that something we get a little excited and try to get that last component on the plane to say its complete. So no matter how straight forward these switches are to put on sometimes people accidentally cross their wires during install. This can and will create issues with the operation of the motor.

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