BITZER – 4FES-3Y-40S – REFRIGERATION COMPRESSOR

The Bitzer 4FES-3Y-40S refrigeration compressor (Bitzer Ecoline 4FES-3Y) is a high-efficiency semi-hermetic 4-cylinder reciprocating compressor engineered for commercial cold storage, food preservation, industrial chilling, and HVAC refrigeration systems. Designed by Bitzer, this heavy-duty Ecoline series refrigeration compressor delivers low-vibration operation, optimized internal gas flow, and high thermodynamic performance across low and medium-temperature cooling applications. Key technical specifications include a displacement capacity of 18.05 m³/h at 1450 RPM (50Hz) and 21.78 m³/h at 1750 RPM (60Hz), robust 4-cylinder design, maximum pressure ratings up to 19 bar (LP) / 32 bar (HP), IP66 enclosure protection, integrated SE-B1 motor protection module, and universal compatibility with R134a, R404A, R507A, and eco-friendly HFO refrigerants using BSE32 synthetic ester oil. Utilizing the Bitzer 4FES-3Y-40S compressor ensures superior volumetric efficiency, low energy consumption, minimal acoustic output, and long-term continuous-duty operational reliability.