Fingertech Mini Power Switch

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  • Regular price $7.99

Are you looking for a switch for your robotics project?  This switch has been battle tested and proven over years of combat.  


  • Made of high temp nylon, copper terminals, and aluminum screw
  • 19.1mm x 12.7mm x 6.35mm (0.75" x 0.5"x 0.25")
  • Weight ~2.5 grams


Mounting the switch:

Switch can be mounted using 2mm or 2-56 screws or alternatively the holes can be tapped with either 3mm or 4-40 threads.

Hole spacing is 7.62mm or 0.3" apart.

Note:  It is recommended to connect the battery to the top terminal i.e. the one that is closest to the screw head.  The screw head has a constant connection with the bottom terminal.  Connecting the battery to the top terminal ensures that the screw terminal is not live when the robot is powered off.

To connect the two copper terminals, use a 3/32" hex wrench to tighten the screw (clockwise).  

* It does not take a lot of force to make a good connection - just finger-tight.
(The nylon is undersized to keep the screw from backing out due to vibrations.)
One full rotation counterclockwise disconnects power.

Current Ratings (using 16-gauge wire):
Rated Current: 40A
Burst: 100A for 10 seconds
*Keep in mind that the size of the wire and type of wire insulation is the main limiting factor.  More heat is generated in smaller wires and in poor connections.  We have tested the switch with 10ga wire and were able to run 95A for 3 minutes.

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