The Siemens Building Technology NCO-186-0090 RA Duct High Limit Hygrostat is a reliable and accurate humidity controller designed for use in HVAC systems. It measures relative humidity levels and provides an output signal to adjust the system's operation accordingly. This ensures optimal humidity levels within the desired range. The NCO-186-0090 operates on a 24 VAC/VDC power supply and features a 55/95% RH differential. It has a compact design and easy-to-install mounting bracket, making it suitable for various duct sizes and applications.

Specifications:

Manufacturer: Siemens Building Technology
Manufacturer Part Number: 186-0090
Product Type: Hi Limit Reverse Action Duct Hygrostat
Voltage Rating: 24 VAC
Ambient Humidity: 55 to 95% Relative Humidity
Dimensions: 8.05" x 10.2" x 9.9"
Weight: 6.0 lb.