FREE SHIPPING TO THE 48 STATESControl Concepts, Inc. manufactures UL approved electro mechanical, electronic and proximity zero speed switches. These devices are shaft or pulse driven and can indicate or control the rotary motion of the equipment they are attached to. Our zero speed switches are widely used as interlocks on conveyor systems of all types (see below examples). When driven from a critical shaft, a zero speed switch can be electronically connected to:Actuate a signal or alarm deviceBreak a circuit to a motorMake a circuit to start auxiliary equipmentMake or break a circuit to other electrical devicesSignal a control station PLCCircuits make or break upon deviation from the normal operating speed of the critical shaft, such as:Stoppage due to mechanical failureSlowing down due to overloadSpeed change due to normal machine cyclingOver speeding or reverse rotationBe sure to add me to your favorites list!Check out my other items!Sign up for PayPal; the fast, easy, and secure way to pay online. Powered by eCRATER . List your items fast and easy and manage your active items.