The Sensor Switch Normally Open-20' from BOSHART INDUSTRIES INC is engineered for precise control in various automation applications. This 20-foot sensor switch is designed to activate when the circuit is closed, making it ideal for use in lighting and HVAC systems. Its robust construction ensures long-lasting performance, while the normally open configuration allows for easy integration into existing systems. This sensor is compatible with a range of devices, providing versatility in installation. With a focus on reliability and efficiency, this sensor switch is a valuable addition to any automated setup.