About the Speed Switch

The SS 4000 series of Rotech shaft mounted Speed switches are manufactured in an extremely tough
and durable 30% glass fibre reinforced polypropylene housing suitable for the most demanding of
environments.

Installation is simple & easy, with just one threaded hole required in the end of the shaft being
monitored or fitted using the unique ‘Mag‐con’ magnetic connector.

A wide range of number of pulses per revolution are available together with switched transistor and
relay outputs. AC and DC supply voltages available.

Speed control trip set point in RPM adjustable over chosen speed range via internal control fitted
under unit cover.