CTI 25M series, the 2.5-4.0A is a temperature controller that regulates temperature. It features a temperature range of -30°C to +150°C, a ±0.1° Set Point accuracy, 3-step PID, and dual manual-auto functions. This controller is suitable foraccurate maintenance of temperature in a wide variety of applications, including water cooling systems, industrial process flows, machine tools, and industrial refrigeration. It's designed for both residential as well as commercial premises. This temperature controller is suitable for both heating as well as cooling applications. It has many useful built-in features, such as over/under shoot protection, anti-condensation protection, and pre-charging protection. The Danfoss CTI 25M 2.5-4.0A can be configured easily via a 9-pin connector and the corresponding software package.