The OPB350W250Z is a highly advanced Tube Liquid Sensor from OPTEK TECHNOLOGY's OPB350 Series. This sensor is equipped with a reliable and sensitive phototransistor that ensures accurate and precise liquid detection. The sensor comes pre-wired for convenient and easy installation, making it an ideal choice for various liquid sensing applications. With a maximum current rating of 50 mA and a voltage requirement of 5 Vdc, this sensor offers excellent performance and reliability. Trust the OPB350W250Z to deliver outstanding liquid sensing capabilities in a simple and efficient package.