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Lead Time: Usually ship in 5 days, Ship international
Base in Hongkong, Ship from HongKong
Delivery time around 5-8 days by UPS
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Professional 1.25/1.95kW centrifugal fan featuring dual-speed 1370/1580 RPM operation with dual-voltage 230/460V compatibility. German-engineered by ZIEHL-ABEGG with 21kg robust construction for exceptional durability exceeding 10+ years, ultra-quiet performance, superior energy efficiency with intelligent dual-current 5.5/2.7A draw, and powerful centrifugal airflow for superior heat dissipation in demanding industrial applications . Article No: 127769.
German-engineered ZIEHL-ABEGG construction with 21kg robust industrial design ensures reliable, long-term operation exceeding 10+ years. Premium materials, high-quality ball bearings, and precision manufacturing guarantee exceptional lifespan in demanding environments with minimal maintenance requirements . ZIEHL-ABEGG has over 100 years of engineering expertise, and their fans are designed for high durability and reliability in continuous operation .
Dual-speed 1370/1580 RPM operation with advanced centrifugal fan design delivers exceptionally quiet performance across both speed settings. Precision engineering, vibration-damping technology, and aerodynamic impeller optimization minimize noise, making it suitable for noise-sensitive industrial environments while maintaining powerful airflow .
Dual-power rating (1.25/1.95kW) with intelligent dual-current consumption (5.5/2.7A) provides exceptional energy flexibility and efficiency. This innovative design allows optimal operation at different power levels, significantly reducing energy consumption while maintaining excellent performance for continuous operation .
Dual-speed 1370/1580 RPM operation combined with optimized centrifugal impeller design generates powerful directional airflow with excellent volume capacity and static pressure up to 7,500 m³/h . Superior air movement capabilities provide remarkable heat dissipation, making it perfect for applications requiring flexible airflow adjustment .
The ZIEHL-ABEGG RH50M-4DK.6K.1R is engineered for versatile applications across multiple industries requiring reliable, energy-efficient centrifugal airflow solutions .
Innovative dual-speed design provides exceptional operational flexibility for varying application requirements. The 1370 RPM setting at 50Hz offers quiet, energy-efficient operation for normal conditions, while the 1580 RPM setting at 60Hz delivers enhanced airflow when increased performance is needed . This allows for optimal energy usage and extended equipment life .
Intelligent dual-current design provides outstanding energy efficiency with only 5.5A draw at 230V and just 2.7A at 460V. This automatically optimizes power consumption based on supply voltage, minimizing operational costs and reducing electrical infrastructure requirements for industrial applications .
Advanced three-phase motor with dual-voltage capability (230V/460V) provides smooth, efficient power delivery compatible with various industrial power systems worldwide. Perfect for installations with different voltage requirements without modification .
21kg robust construction with 52×52×30cm compact dimensions provides excellent stability and durability while maintaining a manageable footprint for easy installation. German engineering ensures reliable performance in demanding applications with 10+ year lifespan and minimal maintenance requirements .

| Model Number | RH50M-4DK.6K.1R |
| Article Number | 127769 |
| Manufacturer | ZIEHL-ABEGG GERMANY |
| Product Type | Centrifugal Fan DUAL-SPEED |
| Condition | Original new from manufacturer |
| Rated Power | 1.25 / 1.95 kW DUAL POWER |
| Rated Voltage | 3-230/460V DUAL VOLTAGE |
| Frequency | 50/60 Hz |
| Rated Current | 5.5 / 2.7 A DUAL CURRENT |
| Speed | 1370 / 1580 rpm DUAL-SPEED |
| Max Airflow | Up to 7,500 m³/h HIGH FLOW |
| Net Weight | 21 kg MEDIUM DUTY |
| Shipping Dimension | 52 × 52 × 30 cm |
| Country of Origin | Germany |
| HS Code | 8414599099 |
| Warranty | 1 Year Manufacturer Warranty |
Shipping From: Dispatched from Hong Kong for efficient global distribution.
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.
Warranty: Backed by a full 1-year manufacturer's warranty from ZIEHL-ABEGG.
Product Guarantee: We sell only genuine ZIEHL-ABEGG products guaranteed to meet all factory specifications for fit, form, and function .
Customer Satisfaction: Enjoy a 30-day return policy and our commitment to 100% customer satisfaction.
For Large Quantity Inquiries: Please contact our sales team at sales@axialfanz.com for volume pricing and custom quotations.
A: The dual-speed operation provides exceptional flexibility for different application requirements and power systems. At 50Hz, the 1370 RPM/1.25kW setting offers quiet, energy-efficient operation with 5.5A current draw for normal conditions. At 60Hz, the 1580 RPM/1.95kW setting delivers enhanced airflow when increased performance is needed with 2.7A draw. This allows for optimal energy usage and extended equipment life .
A: The dual-voltage capability (230V/460V) means this fan can be installed in facilities with different power systems worldwide without requiring modifications. It works with both 230V and 460V three-phase systems commonly found across North America, Asia, and other regions, simplifying procurement and reducing installation costs .
A: The RH50M-4DK.6K.1R offers the perfect balance of power, efficiency, and size for medium-scale applications. With 1.25-1.95kW power range and 21kg weight, it's substantial enough for demanding industrial use yet compact enough for easy installation in commercial HVAC, data centers, and manufacturing facilities where space is at a premium .
A: The RH50M-4DK.6K.1R is widely used in industrial ventilation, commercial HVAC systems, refrigeration units, data center cooling, and process cooling applications . Its 7,500 m³/h airflow capacity and dual-voltage capability make it ideal for applications requiring reliable air movement across different power systems .
Contact our technical specialists for application-specific recommendations, performance data, or volume pricing for your industrial ventilation and cooling requirements.
Request Technical Support Request Volume Pricing"Excellent dual-voltage fan! Works perfectly on our 460V system with only 2.7A. Dual-speed 1370/1580rpm is great for our HVAC needs. Solid 21kg German quality. Article 127769 highly recommended!"
— Thomas Wagner, Industrial Engineer
Global Manufacturing Solutions • Reviewed on: April 12, 2026
Gurantee genuine products from manufacturer
One Year Warranty
AXIALFAN One Year Warranty protects your purchase from Failure during normal use Up to one Year from the date of your purchase.
One Year Coverage from the date of Purchase - Included in the items Price 100% Coverage for Parts and Labor - No deductibles - Included in the items price Items repairs or the full price is refunded to you if we are unable to fix or repair One Year Warranty covers ALL items listed on our website Buyer pay shipping fees at your side when return products, seller pay replacement products' shipping fees.How can I get AXIALFAN One Year Warranty?
AXIALFAN One Year Warranty is included in the items price, you do not need to buy extra protection plan or additional warranties.
How do I purchase a AXIALFAN One Year Warranty?
When you complete the purchase from our website your warranty will be included with the purchase.
How long does coverage last?
Coverage is one year from the date of your purchase
When does coverage start?
Your coverage begins on the date of purchase. If the item you receive is not as it was described, you can return it for a full refund during the first 30 days from payment.
How much is covered?
For replacement payments: You are covered up to the maximum value you paid for the item. Once that amount has been paid out, your warranty is considered fulfilled.
For repairs: You're covered for multiple repairs, up to the maximum value of your item. Once the cost of repairs meets the full purchase price of the item, your warranty is considered fulfilled.
Software: Software issues are not covered.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

