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Professional 0.44/1.15kW centrifugal fan featuring dual-speed 1050/1490 RPM operation with three-phase 400V compatibility. German-engineered by ZIEHL-ABEGG with 22kg robust construction for exceptional durability exceeding 10+ years, ultra-quiet performance, superior energy efficiency with dual-current 0.79/1.9A draw, and high-velocity centrifugal airflow for superior heat dissipation in medium-scale industrial applications . Article No: 139039.
German-engineered ZIEHL-ABEGG construction with 22kg 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 1050/1490 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 (0.44/1.15kW) with intelligent dual-current consumption (0.79/1.9A) 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 1050/1490 RPM operation combined with optimized centrifugal impeller design generates powerful directional airflow with excellent volume capacity and high static pressure. Superior air movement capabilities provide remarkable heat dissipation, making it perfect for industrial applications requiring significant cooling performance in ducted systems .
The ZIEHL-ABEGG RH45M-VDK.4I.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 1050 RPM setting at 50Hz offers ultra-quiet, energy-efficient operation for normal conditions, while the 1490 RPM setting at 60Hz delivers significantly enhanced airflow and static pressure when increased performance is needed .
Intelligent dual-current design provides outstanding energy efficiency with only 0.79A draw at 1050 RPM and 1.9A at 1490 RPM. This automatically optimizes power consumption based on operational requirements, minimizing costs and reducing electrical infrastructure needs for industrial applications .
Advanced three-phase 400V motor provides smooth, efficient power delivery with superior reliability for industrial applications. Three-phase technology offers better power factor, smoother torque delivery, and higher efficiency compared to single-phase alternatives, perfect for continuous operation in demanding environments .
22kg robust construction with 52×52×35cm dimensions provides excellent stability and durability. German engineering ensures reliable performance in demanding applications with 10+ year lifespan and minimal maintenance requirements .
| Model Number | RH45M-VDK.4I.1R |
| Article Number | 139039 |
| Manufacturer | ZIEHL-ABEGG GERMANY |
| Product Type | Centrifugal Fan DUAL-SPEED |
| Condition | Original new from manufacturer |
| Rated Power | 0.44 / 1.15 kW DUAL POWER |
| Rated Voltage | 3-400 V THREE PHASE |
| Frequency | 50/60 Hz |
| Rated Current | 0.79 / 1.9 A DUAL CURRENT |
| Speed | 1050 / 1490 rpm DUAL-SPEED |
| Net Weight | 22 kg MEDIUM DUTY |
| Shipping Dimension | 52 × 52 × 35 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 [email protected] for volume pricing and custom quotations.
A: The dual-speed operation provides exceptional flexibility for different application requirements and power systems. At 50Hz, the 1050 RPM/0.44kW setting offers ultra-quiet, energy-efficient operation with low 0.79A current draw for normal conditions. At 60Hz, the 1490 RPM/1.15kW setting delivers significantly enhanced airflow and static pressure when increased performance is needed. This allows for optimal energy usage and extended equipment life .
A: The 22kg robust construction incorporates premium materials, precision German manufacturing standards, high-quality industrial bearings, and reinforced components throughout. The centrifugal fan design features robust housing, a dynamically balanced impeller, and enhanced motor protection. Every part is optimized for long-term reliability in demanding continuous operation environments .
A: The RH45M-VDK.4I.1R offers the perfect balance of power, efficiency, and size for medium-scale applications. With 0.44-1.15kW power range and 22kg 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 powerful dual-speed operation combined with advanced centrifugal impeller design generates exceptional directional airflow with high volume capacity and excellent static pressure. This provides remarkable heat dissipation for industrial equipment, HVAC systems, and process cooling applications. The fan delivers consistent, powerful airflow even in ducted systems with significant resistance .
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 ZIEHL-ABEGG quality! Dual-speed 1050/1490rpm is perfect for our HVAC system. Solid 22kg German construction with only 0.79A at low speed. Great energy savings! Article 139039 highly recommended!"
— Hans Schmidt, HVAC Engineer
European Climate Solutions • Reviewed on: April 25, 2026
Ships within 48 hours · Estimated delivery Jun 23 - Jun 28
US$40
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