In the IH proportional outlet version, the response is in proportion to the travel of the actuator during activation. Actuator sensitivity is programmable from 0.5V to 4.5V. This switch can withstand 10 million cycles. It is the gold standard choice for control valves and variable speed drives in industrial controls, heavy equipment and other applications where operators need excellent control over motion and speed. IH proportional has a 12mm bushing diameter, can be sealed to IP67, has low behind-panel depth and is available in a wide choice of colors.