Class A, Three wire, PT 100 Sensor for accurate measurement of temperature. Outer made of mild steel with powder coating. Built in long life, fully balanced, air cooled, Low noise, DUAL s tage � CASCADE r e fr i g e ra t i o n system�with hermetically sealed compressors. Filled with CFC Free refrigerant. Provided with SS trays � 2 - 4 nos (Only Vertical � No trays for VERTICAL Model) Heavy duty wheels with front locking, for easy movement. Power S u pply 230VAC, 50Hz, Si n g l e p h a s e .