Product details
Product Description
The YWF-4E-500-S-137/35-G is a high-performance external rotor axial fan designed for HVAC/R and ventilation systems. Equipped with a 4-pole single-phase motor, it delivers strong airflow with stable and energy-efficient operation.
Built with a durable motor structure and precision-balanced impeller, this fan ensures reliable performance and long service life. It is widely used in condensing units, cold rooms, evaporators, and air-cooled systems.
With IP54 protection, Class F insulation, and a wide operating temperature range, it is suitable for both indoor and outdoor environments.
Key Features
- External rotor motor design
- 4-pole motor for high airflow performance
- Single-phase operation (220–240V)
- Durable metal impeller
- Wide operating temperature range (-30°C to +60°C)
- IP54 protection (dust & splash resistant)
- Ball bearing motor for long lifespan
- Suitable for suction or blowing configurations
Technical Specifications
| Parameter | Value |
|---|---|
| Model | YWF-4E-500-S-137/35-G |
| Fan Type | Axial Fan (External Rotor) |
| Diameter | 500 mm |
| Voltage | 220–240V |
| Phase | Single Phase |
| Frequency | 50 Hz |
| Power | 380–420 W |
| Current | ~1.75 – 1.95 A |
| Speed | 1300 – 1320 RPM |
| Air Flow | 6420 – 6720 m³/h |
| Noise Level | ~72 dB |
| Protection Class | IP54 |
| Insulation Class | Class F |
| Capacitor | 10 µF / 450V |
| Ambient Temp | -30°C to +60°C |
| Weight | ~9 kg |
📌 Airflow ~6720 m³/h and 1320 RPM confirmed from datasheet references.
Applications
- Condensing units
- Cold rooms & freezer rooms
- Evaporators
- Air-cooled chillers
- Ventilation systems
- Refrigeration equipment
FAQs
Q1: Is this fan suitable for single-phase power supply?
Yes, it is designed for 220–240V single-phase operation.
Q2: What type of motor does it use?
It uses a 4-pole single-phase external rotor motor for strong airflow.
Q3: Does this model include a safety grill?
Yes, the “G” variant includes a protective grill.
Q4: Can it run continuously?
Yes, it is designed for continuous-duty operation.
Q5: What is the airflow capacity?
It delivers approximately 6400–6700 m³/h airflow, suitable for medium-capacity cooling systems.
