Refcomp SW3H-12500 125HP Screw Type Refrigeration Compressor for Condensing Unit
| Energy regulation: | 100%,75%,50%,25%(stepless 100%-25%) | Refrigerant: | R22, R407C, R404A, R507A, R134a, R410A |
| Voltage: | 400V/3/50Hz-460V/3/60Hz | Horse Power: | 125HP/89KW |
| Displacement 50/60Hz: | 341/409 M³/hr | Application: | HVAC,Cold Room,Condensing Unit,Air Conditioning |
| High Light: | Refcomp SW3H-12500 screw compressor,125HP refrigeration screw compressor,screw compressor for condensing unit |
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The Refcomp SW3H-12500 is a 125 HP screw type refrigeration compressor engineered for condensing unit applications. Built around RefComp's asymmetric screw rotor profile and a 5/6 rotor configuration, it delivers precise meshing, effective lubrication and smooth compression for demanding industrial refrigeration systems.
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Asymmetric Screw Rotor Design
Featuring RefComp's asymmetric screw rotor profile and 5/6 rotor configuration, the compressor provides precise meshing, effective lubrication and smooth compression. The optimized rotor geometry helps reduce vibration and gas pulsation, supporting efficient operation of the screw type refrigeration compressor.
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High-Precision Bearing Assembly
The multi-bearing configuration helps accommodate axial and radial loads while reducing mechanical wear and operating noise. High-precision bearings, wear-resistant materials and specialized lubrication contribute to stable operation and long-term mechanical reliability.
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Efficient Motor Cooling & Starting
The motor uses incoming suction gas to help dissipate heat from the windings, supporting effective cooling during operation. Partial-winding or star-delta starting helps reduce starting current, while the motor configuration accommodates different electrical supply requirements.
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Flexible Shut-Off Valve Positioning
The suction and discharge shut-off valves support 360° rotation, providing greater flexibility for refrigerant piping connections. This simplifies installation in different system layouts and makes inspection and maintenance more convenient.
| Model | SW3H-12500 |
|---|---|
| Standard Motor Power | 125HP / 89KW |
| Displacement (50/60Hz) | 341 / 409 m³/h |
| Weight | 545 KG |
| Capacity Regulation | 100%, 75%, 50%, 25% (stepless 100%–25%) |
| Standard Motor | Y/△-400/3/50Hz-460/3/60Hz |
| LRA Y/Δ | 318 / 953 A |
| Max Operating Current | 196 A |
The SW3H-12500 is a 125 HP screw compressor designed for high-temperature refrigeration applications. Selection should consider the required cooling capacity, refrigerant, evaporating and condensing temperatures, cooling medium and electrical supply to ensure proper system matching.
R404A is included among the refrigerants applicable to the RefComp SW series. An R404A screw compressor configuration can be considered for compatible commercial and industrial refrigeration applications.
The SW series supports partial-winding and star-delta starting arrangements. The appropriate method depends on the motor configuration, electrical supply and starting requirements of the refrigeration system. Confirm the starter and wiring arrangement before commissioning.
Check the suction and discharge piping layout, valve accessibility, electrical connections and maintenance clearance. The rotatable shut-off valves provide additional flexibility when integrating the screw type refrigeration compressor into different system configurations.
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