P20 pressure controls series are mainly used for AC equipment for control functions on LP and HP side and are provided with a 90 cm capillary.               P48 pressure controls are especially designed for control of water and steam applications. The robust die-cast aluminium enclosure wiih IP54 prolection class ensures a good performance in almost all environmental conditions. The controls are provided with SPDT contacts.                     P100 are small direct mount electric pressure switches. All these switches have been designed to meet stringent market requirements and will function carefree for a long period.                           P77 & P78 are respectively single and dual pressure switches built into the same robust splash proof aluminium enclosure as the P48 and have as a standard IP54 protection class These controls are suitable for all presently available non-corrosive refrigerants. NH3 rnodell and DIN approved LP and HP models are available.