- Two Element speed switch
- Verify mode
- Wide speed sensing range from 500 to 9500 hertz
- High current output for solenoid control
- Epoxy encapsulated module for excellent field reliability
- Wide temperature range -40C to + 85C
download the pdf here

All speed switches can be as full featured as the SS40 or have a smaller feature set. When using the unit remember that the lower speed should always be on the crank disconnect setting and output contact and the higher speed should be on the over speed setting and output contact
download the pdf here