SKU: 25752259087

R3G250-RK55-05 ebm-papst Centrifugal Fan 2.3A 48V 105W 6 Wires

Sale price$11107.35 Regular price$12341.50
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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

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 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:
  1. 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
SKU: 25752259087

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Verified Purchase
W Rogers
Boise, US
★★★★★ 5
Excellent Quality and Beautiful!
Color: Natural Pine - Satin Clear Coat Finish, Number Of Shelves: Pack of 2, Size: 16 inch
This is the second order I’ve made of these shelves (a different length and color for a different room). I’ve put up floating shelves before, and over time they listed although they never fell down. Everything about these shelves suggests they will last a long time. The shelves are beautiful, very well sanded and varnished, and the wood grain is lovely (same with the darker shelves). The installation is relatively simple with easy-to-understand instructions and the support that the shelf fits into is sturdy. Everything works as the directions say, and the shelves seem sturdy when installation is complete. The seller clearly takes pride in their product; even the packaging is very carefully and artfully done. A drill makes the job far easier than it would with just a screwdriver. One set of my shelves are placed one directly below another, so it took some time and my 2 foot level to make sure they are vertically even. If the shelves are offset from each other, as we did with the first installation, it’s easier and takes less time. I would recommend these to anyone.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
J
Verified Purchase
John P Williams
Carnegie, US
★★★★★ 5
Premium Quality Shelves That Look Amazing
Color: American Walnut - Satin Dark Tone, Number Of Shelves: Pack of 3, Size: 36 inch, Color: American Walnut - Satin Dark Tone, Number Of Shelves: Pack of 3, Size: 36 inch
For my Kitchen remodel, I’ve ordered several of these shelves, in different lengths, and I’ve been consistently impressed with the quality. I had never installed floating shelves before, but the process was surprisingly straightforward even when I customized my own corner setup. The shelves are beautiful, made from real wood with exquisite grain patterns, and they arrive very well sanded and varnished. The installation instructions are clear and easy to follow, and the mounting bracket is sturdy with an excellent precision fit. Once installed, the shelves feel extremely solid and secure. This company clearly takes pride in its products. Even the packaging is carefully and thoughtfully done. With some careful measuring, clamps, and a pocket hole jig, I was able to combine two different shelf sizes to create a custom corner shelf that turned out great. I highly recommend these shelves and will definitely continue purchasing them as I add more to my home.
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Reviewed in the United States on May 9, 2026
J
Verified Purchase
John Carmody
Belleville, US
★★★★★ 5
Premium Quality Floating Shelves That Exceeded Expectations
Color: Golden Oak - Light Woodgrain, Number Of Shelves: Pack of 2, Size: 30 inch, Color: Golden Oak - Light Woodgrain, Number Of Shelves: Pack of 2, Size: 30 inch
These floating shelves are absolutely excellent quality. Everything from the packaging to the final product was top notch. The shelves arrived extremely well protected, and you could immediately tell the company takes pride in their product. The finish and craftsmanship are beautiful, the hardware feels solid, and installation was straightforward. Once mounted, they looked even better than expected and feel very sturdy. The golden oak finish adds a clean, modern, high end look to the room. Highly recommend if you’re looking for floating shelves that actually look and feel premium.
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Reviewed in the United States on May 12, 2026
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Verified Purchase
Jimmy G.
Birmingham, US
★★★★★ 5
Clean Aesthetic, Limited Adjustment on Brackets
Color: Natural Pine - Satin Clear Coat Finish, Number Of Shelves: Pack of 2, Size: 16 inch
These shelves look really nice once installed—the natural wood finish gives a clean, high-end look that fits well with pretty much any space. Installation was straightforward and didn’t take much time, which I appreciated. My only downside is the bracket design. I wish it had some kind of micro-adjustment option after drilling, because if your holes aren’t perfectly aligned the first time, it can be a bit frustrating to get everything level. Overall though, still a solid product—sturdy, good quality, and definitely adds a nice aesthetic to the wall.
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Reviewed in the United States on April 23, 2026
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Verified Purchase
Nathan T
Massapequa, US
★★★★★ 5
Sturdy, excellent packaging, nice finish
Color: Walnut - Warm Brown Woodgrain, Number Of Shelves: Pack of 2, Size: 20 inch, Color: Walnut - Warm Brown Woodgrain, Number Of Shelves: Pack of 2, Size: 20 inch
I used these shelves for my espresso area and I love them. The unboxing experience was so nice, it caught me off guard! Everything felt very handcrafted and sturdy. The finish on the real wood was very nice. It came with everything I needed for installation, which was very convenient. Installation was super easy and everything fit together perfectly. I am very pleased with these shelves!
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Reviewed in the United States on May 11, 2026

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