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Description
R3G250-RK55-05 ebm-papst Centrifugal Fan 2.3A 48V 105W 6 WiresEbmPAPST R3G250 RK55 05 EC Centrifugal Fan Advanced EC Motor Technology Specialized 105W EC centrifugal fan engineered specifically for air conditioning and refrigeration systems. Featuring 48V DC operation, 1650 RPM optimized speed, and German inspired engineering for 10+ years of ultra quiet, energy efficient cooling performance. Superior HVAC Cooling Performance 10+ Years Industrial Durability 2kg precision construction with EbmPAPST engineering
EbmPAPST R3G250-RK55-05 EC Centrifugal Fan
Specialized 105W EC centrifugal fan engineered specifically for air conditioning and refrigeration systems. Featuring 48V DC operation, 1650 RPM optimized speed, and German-inspired engineering for 10+ years of ultra-quiet, energy-efficient cooling performance.
Superior HVAC Cooling Performance
10+ Years Industrial Durability
2kg precision construction with EbmPAPST engineering ensures reliable operation for over a decade in demanding HVAC environments. Features premium bearings, corrosion-resistant materials, and thermal protection systems.
EC Motor Ultra-Quiet Operation
Brushless EC motor technology eliminates mechanical noise sources. Combined with 1650 RPM optimized speed and precision balancing, delivers whisper-quiet performance ideal for residential and commercial applications.
30% Energy Savings
105W EC motor delivers equivalent cooling performance of 140W traditional AC motors. Intelligent speed control optimizes energy consumption based on cooling demands, reducing operational costs significantly.
High Static Pressure Airflow
Centrifugal design generates focused, high-pressure airflow ideal for overcoming system resistance in air conditioning and refrigeration systems. 35×35×30cm compact design maximizes cooling efficiency.
EC Motor Technology Advantages
48V DC Intelligent Operation
Low-voltage DC operation with integrated microprocessor control enables precise speed regulation and energy optimization.
- Precise 0-100% speed control
- Intelligent temperature response
- Reduced electromagnetic interference
- Enhanced safety with low voltage
Superior Energy Efficiency
EC technology achieves up to 90% motor efficiency compared to 60-70% for traditional AC motors.
- 30% lower energy consumption
- Higher power factor (>0.95)
- Reduced heat generation
- Lower operating costs
Maintenance-Free Design
Brushless motor design eliminates traditional wear components, significantly extending service life.
- No brush wear or replacement
- Sealed bearings for protection
- Corrosion-resistant construction
- Reduced maintenance requirements
EC vs Traditional AC Motor Comparison
| Performance Parameter | EC Motor (This Product) | Traditional AC Motor |
|---|---|---|
| Energy Efficiency | Up to 90% | 60-70% |
| Power Consumption (Equivalent Cooling) | 105W | 140W |
| Speed Control | 0-100% Variable | Fixed Speed |
| Noise Level (at 1m distance) | 45-50 dB(A) | 55-65 dB(A) |
| Service Life (Continuous Operation) | 10+ Years | 5-7 Years |
| Maintenance Requirements | Minimal | Brush Replacement |
HVAC & Refrigeration Applications
Residential AC Units
Split air conditioners, window units, ductless mini-splits, and residential HVAC systems requiring quiet, efficient cooling.
Commercial HVAC
Office buildings, retail stores, restaurants, and commercial spaces requiring reliable, energy-efficient climate control.
Refrigeration Systems
Commercial refrigerators, display cases, cold rooms, walk-in freezers, and food storage equipment.
Industrial Cooling
Process chillers, industrial air handlers, manufacturing climate control, and specialized cooling applications.
TECHNICAL DATASHEET
EC Fan Specifications
| Model Number | R3G250-RK55-05 |
| Product Type | EC Centrifugal Fan EC TECHNOLOGY |
| Manufacturer | EBMPAPST |
| Condition | Original new from manufacturer |
| Rated Power | 105 W ENERGY SAVING |
| Rated Voltage | 48 V DC DC OPERATION |
| Rated Current | 2.3 A |
| Speed | 1650 rpm OPTIMIZED SPEED |
| Frequency | 50/60 Hz |
| Net Weight | 2 kg COMPACT DESIGN |
| Shipping Dimension | 35 × 35 × 30 cm |
| Country of Origin | China |
| HS Code | 8414599099 |
Shipping, Warranty & Service Commitment
Global Shipping Hub: Dispatched from Hong Kong for efficient worldwide distribution with competitive shipping rates.
Processing Time: Orders are processed and ready to ship within 5 business days.
Express Delivery: Estimated delivery in 3-8 business days worldwide via DHL or UPS.
Manufacturer Warranty: Backed by a full 1-year manufacturer's warranty from FANS-TECH.
Quality Guarantee: We sell only genuine FANS-TECH products guaranteed to meet all factory specifications for fit, form, and function. Benefit from our 30-day return policy and commitment to 100% customer satisfaction.
For HVAC OEM & Volume Purchases: Contact our sales team at [email protected] for quantity pricing, custom specifications, and technical support for EBM-PAPST EC fans.
Frequently Asked Questions
Q1: Why is EC technology superior for air conditioning and refrigeration applications?
A: EC (Electronically Commutated) technology offers multiple advantages for HVAC applications: 1) Energy Efficiency: Up to 30% energy savings compared to traditional AC motors, 2) Precise Control: 0-100% variable speed operation for optimal cooling, 3) Quiet Operation: Brushless design eliminates mechanical noise sources, 4) Longevity: No brushes to wear out extends service life to 10+ years, and 5) Intelligent Operation: Microprocessor control enables automatic optimization based on cooling demands.
Q2: How does 48V DC operation benefit HVAC system design and safety?
A: 48V DC operation provides significant design advantages: 1) Enhanced Safety: Low voltage reduces electrical hazards, 2) Design Flexibility: Easier integration with modern control systems and battery backup, 3) Reduced EMI: Minimal electromagnetic interference with sensitive electronics, 4) Efficient Conversion: Better power conversion efficiency in modern HVAC systems, and 5) Compatibility: Works well with solar and DC power systems for off-grid applications.
Q3: What is the typical return on investment when upgrading to EC fans?
A: ROI typically ranges from 12-24 months depending on operating hours. For a commercial air conditioning system operating 2,000 hours annually: 1) Energy Savings: 35W reduction × 2,000 hours = 70 kWh/year savings per fan, 2) Cost Savings: 70 kWh × $0.12/kWh = $8.40/year per fan, 3) Maintenance Savings: $15-25/year reduction in maintenance costs, 4) Total ROI: Typically 18-24 months for commercial applications, faster for 24/7 operations. Additional benefits include improved comfort and reduced carbon footprint.
Q4: How does this fan handle varying cooling demands in air conditioning systems?
A: The EC motor with intelligent control adapts automatically to changing conditions: 1) Temperature Response: Automatically adjusts speed based on heat load, 2) Humidity Control: Can be programmed for dehumidification cycles, 3) Energy Optimization: Reduces speed during mild weather to save energy, 4) Peak Performance: Ramps up to maximum capacity during heat waves, and 5) System Integration: Compatible with most modern HVAC control systems for coordinated operation.
Upgrade to Energy-Efficient EC Technology
Contact our HVAC specialists for detailed ROI analysis, technical specifications, or volume pricing for your air conditioning and refrigeration cooling requirements.
Request ROI Analysis Request OEM Pricing
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy