The TB pressure control series offer four types of SPDT pressure switches in a compact design, capable of making minor adjustments to factory settings. This allows for the calibration of machines that call for extremely precise settings and a narrow differential such as freezing and refrigeration applications like ice-cube makers or dispensers. It can be used for air conditioning also, and even for heat pump applications. Standard models, which are rated up to 20A at 250V AC, allow for a wider application in several different types of electrical requirements.