Bitzer HSK5353-35 Semi-Hermetic Screw Compressor

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Technical Specifications

• Model: HSK5353-35

• Refrigerant: R404A (also compatible with R134a, R507A, R407A/F, R448A, R449A, R1234yf, R1234ze, R515B)

• Cooling Capacity: 49.6 kW (at -10°C evaporating / 45°C condensing)

• Power Input: 28.5 kW

• COP (Efficiency): 1.74

• Displacement:

  • 50Hz: 100 m³/h

  • 60Hz: 121 m³/h

• Voltage: 380–415V / 3 Phase / 50Hz

• Motor Power: Up to 37.3 kW

• Max Operating Current: 58.0 A

• Starting Current (Rotor Locked): 153.0 A (D) / 266.0 A (DD)

• Weight: Approx. 178 kg

• Suction Connection: 54 mm – 2 1/8”

• Discharge Connection: 42 mm – 1 5/8”

• Sound Pressure Level @ 1m: 74 dB(A)

• Capacity Control: 100–85–60% (standard)

• Integrated Features:

  • Discharge gas temperature sensor

  • Start unloading

  • Oil flow control

  • Motor protection

  • Suction shut-off valve

• Optional Upgrades:

  • Discharge shut-off valve

  • ECO connection

  • Sound measurement kit

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Key Features

✅ German Engineering – Manufactured to the highest standards for long-lasting performance in tough industrial environments.

✅ High Efficiency – Optimized for full- and part-load operation, delivering consistent cooling while minimizing energy use.

✅ Advanced Monitoring – Compatible with the Bitzer IQ Module for intelligent diagnostics and system control.

✅ Versatile Refrigerant Use – Fully compatible with modern refrigerants, including low-GWP options.

✅ Stepless Capacity Control – Smooth modulation from 100% down to 60% load for flexible and energy-saving operation.

✅ Robust Design – Engineered for continuous operation with IP54 motor protection (optional IP66 upgrades).

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Applications

• Industrial air-conditioning systems

• Food processing and cold storage facilities

• Large commercial refrigeration systems

• Process cooling in manufacturing

• Marine and offshore refrigeration systems

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German Engineering – Built to Last

The Bitzer HSK5353-35 combines the durability and performance you expect from Bitzer Germany, making it the trusted choice for demanding cold chain environments.

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Shipping & Availability

✅ Standard Voltage: 380–415V / 3 Phase / 50Hz

✅ Global Shipping: Export-grade packaging ensures safe worldwide delivery.

✅ Lead Time: Standard 50Hz electrical version is usually in stock. For special electrical configurations (60Hz or other voltages), please allow an additional 2–3 weeks.