Siemens SSD81.5U S/R, 3-Position Electronic Valve Actuator Floating, 24V

Siemens SSD81.5U 3 Position Electronic Valve Actuator is a versatile 3 Position Electronic Valve Actuator for use in precise control of HVAC systems. This actuator operates on a 24V power supply and is suitable for frequencies of 50/60 Hz, and is reliable over a wide temperature range of -25°F to 130°F. With floating control signal, the SSD 81.5U is the perfect valve controller for applications requiring accurate and fast control. It provides 3 position capability to adjust precisely from fully open to closed intermediate positions to provide optimal flow regulation. The actuator is housed in a NEMA 2 / IP5 rated enclosure for protection against dust and moisture, and for long lifetime operation in various environments.