FSF micro-flow switch is mainly applied to measure and control the flow of the liquid in the pipe, such as water, alcohol, etc.

It is a flow switch with paddles, is designed to protect water cutout in water & heat pump unit.

FSF micro-flow switch have SPST switch to ensure it can work fast for the instantaneous protection. The product is designed with a special plastic cover with high condense, low influence by heat & cold.