K3G250-RR02-I2 ebm-papst K3G250-RR02-I2 EC Centrifugal Fan | 1405m³/h | 230VAC | IP55 | Backward Curved
High-efficiency Radial EC centrifugal fan from ebm-papst with 1405m³/h airflow at 4250 RPM. Features 230VAC power, IP55 protection, and backward curved blades for superior static pressure performance.
Key Features:
✅ Energy Efficient EC Motor Technology – Up to 30% energy savings vs. AC motors
✅ High Static Pressure Performance – Backward curved design for demanding duct systems
✅ Robust IP55 Protected Construction – Steel housing with plastic impeller for corrosion resistance
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High-Performance 230V EC Radial Blower for Industrial & HVAC Applications
The ebm-papst K3G250-RR02-I2 represents premium backward curved centrifugal fan technology, combining advanced electronically commutated (EC) motor design with robust radial fan performance. With compact 400×400×194.6mm dimensions, this 230VAC fan delivers an impressive 1405m³/h (827 CFM) airflow at 4250 RPM – making it ideal for HVAC systems, industrial process cooling, air handling units, and ventilation systems that demand high static pressure capabilities.
Part of the RadiCal K3G250 Series, this model features intelligent motor control and durable construction that ensures reliable operation in harsh environments with IP55 protection against dust and water jets.
Comprehensive Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer Part No. | K3G250-RR02-I2 |
| Series | RadiCal K3G250 |
| Fan Type | EC Backward Curved Centrifugal |
| Dimensions (L×W×H) | 400×400×194.6 mm |
| Motor Type | Single-Phase EC |
| Voltage/Frequency | 230VAC, 50/60 Hz |
| Power Consumption | 750 W |
| Current Draw | 3.3 A |
| Speed | 4250 RPM |
| Airflow Capacity | 1405 m³/h (827 CFM) |
| Motor Model | M3G084-DF |
| Bearing Type | Ball Bearing |
| Impeller Material | Plastic |
| Housing Material | Steel |
| Weight | 8.7 kg |
| Ingress Protection | IP55 (Dust & Water Jet Protected) |
| Operating Temperature | -45°C to +60°C |
| Insulation Class | F |
| Cable Length | 0.6 m |
| Certifications | CE, RoHS Compliant |
Key Product Advantages
1. Advanced Backward Curved Fan Design
✔ Optimal Static Pressure Generation – Ideal for ducted systems with resistance
✔ Non-Overloading Performance – Stable airflow at varying pressure conditions
✔ Energy-Efficient Air Movement – 30%+ savings vs. traditional AC centrifugal fans
2. Smart EC Motor Technology
✔ Precise Speed Control – Adjustable via:
• 0-10V DC input
• PWM signal
• External potentiometer
✔ Soft Start Functionality – Reduces mechanical stress at startup
✔ Thermal Protection – Automatic shutdown in overheating conditions
3. Heavy-Duty Industrial Construction
✔ Steel Housing – Powder-coated for corrosion resistance
✔ High-Grade Plastic Impeller – Lightweight yet durable for high RPM operation
✔ IP55 Protection – Guards against dust ingress and water splashes
✔ Ball Bearings – Maintenance-free long-life operation
4. Intelligent Monitoring & Control
✔ Status Feedback Outputs – Motor speed and fault signals
✔ External Control Options – Integration with BMS or PLC systems
Applications
HVAC & Air Handling
• Commercial rooftop units
• Cleanroom ventilation
• Energy recovery ventilators
Industrial Process Cooling
• Machine tool cooling
• Industrial oven exhaust
• Paint booth ventilation
Specialized Ventilation
• Laboratory fume extraction
• Dehumidification systems
• Electronics cabinet cooling
Installation & Mounting
✔ Horizontal or vertical orientation
✔ Flanged duct connections for easy integration
✔ Vibration-damping mounting options
Why Choose ebm-papst RadiCal Series?
🔹 German-engineered precision with global support
🔹 5-year warranty on motor components
🔹 Proven reliability in harsh industrial environments
Ordering Information
Model Variations:
- K3G250-RR02-I2 (230V, Europe/Asia markets)
- K3G250-RR02-I3 (277V, North American applications)
Packaging Options:
• Single-unit retail box
• Bulk packaging for OEM orders
Accessories Available:
• Duct adaptor kits
• Control interface modules
• External speed potentiometers
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