HGX66e/1540-4 Bock semi-hermetic reciprocating compressor. Capacity 133,8 m3/h, 380-420 V/50 Hz, possibility of regulation 30-70 Hz (depending on operating envelope), suction 54 mm, discharge 42 mm, maximum current 62,1 A, oil fill BOCKlub E55, 4,4L. Included with this item (code 097G1753 are the mount parts, INT69G, oil heater and Delta PII.