SKY 500-4E-250-S-92/25G 250mm Axial Fan & Motor Assembly
The SKY 500-4E-250-S-92/25G is a 250mm single-phase axial fan and external-rotor motor assembly designed for commercial refrigeration, air-conditioning and ventilation equipment. Its four-pole motor delivers approximately 829 m³/h of airflow with a low 50W power input.
Features
SKY Refrigeration axial fan and motor assembly
Manufactured to SKY specifications
250mm five-blade axial impeller
230V AC, single-phase operation
Four-pole external-rotor motor
Maximum airflow of approximately 829 m³/h
Suction airflow—draws air over the motor toward the grille
Protective guard grille included
IP54-rated motor
Class F motor insulation
Terminal-box electrical connection
Suitable for horizontal or vertical mounting
Designed for refrigeration and HVAC applications
Specifications
| Specification | Details |
|---|
| Brand | SKY Refrigeration |
| SKY part number | 500-4E-250-S-92/25G |
| Fan model | YWF4E-250S-92/25-G |
| Fan type | AC axial fan and motor assembly |
| Fan diameter | 250mm |
| Number of blades | 5 |
| Airflow configuration | Suction |
| Nominal voltage | 230V AC |
| Phase | Single phase |
| Frequency | 50Hz |
| Motor poles | 4 pole |
| Motor speed | 1,380 RPM |
| Maximum airflow | Approximately 829 m³/h |
| Airflow at 20 Pa | Approximately 700 m³/h |
| Power input | 50W |
| Rated current | 0.23A |
| Sound level | 55 dB(A) at 1 metre |
| Impeller material | SPCC sheet steel |
| Rotor material | Die-cast aluminium |
| Motor type | AC external-rotor motor |
| Ingress protection | IP54 |
| Insulation class | Class F |
| Electrical connection | Terminal box |
| Mounting position | Horizontal or vertical |
| Operating temperature | -30°C to +60°C |
| Storage temperature | -40°C to +80°C |
| Approximate weight | 2.3kg |
| Approvals | CE, CCC and UL |
| Guard grille | Included |
Typical Applications
Ideal for refrigeration condensers, evaporators, cool rooms, supermarket display cases, ice machines, chillers, condensing units, dehumidifiers, air-conditioning equipment and general ventilation systems.
View the official SKY Refrigeration product listing
View the manufacturer’s YWF4E-250S specifications
