HGX44e/475-4 S Bock semi-hermetic reciprocating compressor. Capacity 41,3 m3/h, 380-420 V/50 Hz, possibility of regulation 30-70 Hz (depending on operating envelope), suction 35 mm, discharge 28 mm, maximum current 23 A, oil fill BOCKlub E55, 2.7L. Included with this item (code 097G1705) are the mount parts, INT69G, oil heater and Delta PII.