Bitzer 4NE-20Y Semi-Hermetic Reciprocating Compressor

🔧 Technical Specifications

• Model: 4NE-20Y-40P
• Cooling Capacity (R404A @ -10°C / 45°C): 28.6 kW
• Power Input: 12.20 kW
• COP (Efficiency): 2.34
• Displacement (50Hz): 56.25 m³/h
• Displacement (60Hz): 67.89 m³/h
• Cylinders / Bore / Stroke: 4 × 70 mm × 42 mm
• Weight: 159 kg
• Voltage Range: 380–420V / 3 Phase / 50Hz
• Max Operating Current: 33.2 A
• Starting Current (Rotor Locked): 97.0 A (Y) / 158.0 A (YY)
• Max Power Input: 19.0 kW
• Suction Connection: 42 mm – 1 5/8”
• Discharge Connection: 28 mm – 1 1/8”
• Discharge Temperature: 90.3°C
• Sound Pressure Level: 70.3 dB(A) at -10°C / 45°C

🛢 Oil & Refrigerant Compatibility

• Standard Oil Charge: 2.60 dm³ – BSE32
• Compatible Refrigerants:

• R404A, R507A, R407A/F → BSE32
• R134a >70°C → BSE55
• R22 → B5.2
• R1234yf → BSE32 / BSE55
• R1234ze → BSE55 / BSE85K
• R454C, R455A → BSE32
• R515B → BSE55 / BSE85K

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💡 Why Choose the 4NE-20Y

✔️ Robust construction and long-lasting performance

✔️ Trusted German engineering with IP66 motor protection

✔️ Suitable for harsh operating conditions in cold storage and logistics

✔️ Compatible with eco-friendly refrigerants

✔️ Designed for energy-efficient, high-load environments

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📦 Compatible Accessories

• Receiver: Bitzer F552T

• Volume: 54.0 L
• Max R404A charge: 51.9 kg

• IQ Module: CM-RC-02

• Supports Bluetooth, Modbus, and real-time data logging
• Enclosure class: IP66

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🚚 Shipping & Availability

• ✅ Ready for 380–420V / 50Hz operation
• ⚙️ 60Hz versions available (3–4 week lead time)
• 🌍 Export packaging and worldwide shipping available