MP 55A is used in refrigerating systems with R717. MP 55A can also be used in systems with HCFC and non-flammable HFC refrigerants.Features:Wide regualting rangeCan be used for deep freeze, refrigeration and air conditioning plant.Can be used for HCFC and non-flammable HFC refrigerantsElectrical connection at the front of the unitSuitable for both alternating and direct current (AC and DC)Screwed cable entru for cables from 6-14 mm diameterSmall contact differential