The GRI RoHS Tilt Switch fits a variety of applications where accurate detection of tampering is critical. The GRI 4561R was designed for use in a closed or open loop zone. The switch is incredibly durable and is hermetically sealed. Operation is based on the tilting of the sensor more than 10°. Using the wires as areference point, tilt the switch toward the wires and the circuit is closed. Tilting away from the wires opens thecircuit. The GRI 4561R Tilt Switch is very precise and accurately assures long reliable service in adverse environments.