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Professional 3.9KW high-speed centrifugal fan with 4200 RPM operation and 3-380/480V dual-voltage compatibility, engineered for exceptional durability exceeding 10 years, ultra-quiet high-speed performance, energy-efficient high-power airflow, and superior cooling capacity for demanding industrial applications requiring maximum pressure development.
German-engineered ZIEHL-ABEGG construction with 13kg precision-balanced centrifugal design ensures reliable, long-term operation exceeding 10+ years in demanding high-speed applications. Premium industrial-grade materials, precision-balanced high-speed centrifugal impeller, heavy-duty motor components specifically designed for 4200 RPM operation, and reinforced scroll housing guarantee exceptional lifespan for continuous high-speed, high-pressure operation requiring maximum reliability in extreme industrial environments.
Advanced acoustic engineering provides exceptionally quiet performance for a 4200 RPM centrifugal fan, ideal for industrial processes, commercial applications, and environments where noise control is critical despite extreme speed requirements. Sophisticated centrifugal aerodynamics with optimized impeller and scroll design minimize turbulence and operational noise at high speeds. Precision balancing of the high-speed rotating assembly and advanced vibration damping ensure smooth, vibration-free operation even at maximum speed output.
3.9KW high-power rating with efficient 6.2/5.0A current draw provides optimal energy efficiency for dual-voltage 380/480V high-speed applications. Advanced motor design maximizes efficiency while delivering extreme airflow and pressure performance at 4200 RPM. Dual-voltage capability (380/480V) ensures compatibility with international industrial power systems, offering flexible installation options and optimal power utilization across different regional electrical standards.
High-speed centrifugal design at 4200 RPM generates exceptional pressure development with extreme airflow for the most demanding industrial applications. 55×55×45cm compact industrial design provides superior performance with excellent pressure characteristics, making it ideal for applications requiring maximum-pressure airflow against substantial system resistance in industrial ventilation, process applications, and systems where overcoming extreme duct pressure loss is essential.
The RH31C-ZID.DG.CR high-speed centrifugal fan is engineered for the most demanding industrial applications requiring reliable, efficient dual-voltage high-speed airflow solutions with extreme pressure capability, minimal noise, and exceptional performance in the most challenging industrial environments.
| Model Number | RH31C-ZID.DG.CR |
| Article Number | 184438 ORIGINAL PART |
| Manufacturer | ZIEHL-ABEGG GERMANY |
| Product Type | Centrifugal Fan HIGH-SPEED |
| Condition | Original new from manufacturer |
| Rated Power | 3.9 KW HIGH POWER |
| Rated Voltage | 3-380/480 V DUAL VOLTAGE |
| Frequency | 50/60 Hz |
| Rated Current | 6.2/5.0 A |
| Speed | 4200 rpm HIGH SPEED |
| Net Weight | 13 kg COMPACT DESIGN |
| Shipping Dimension | 55 × 55 × 45 cm INDUSTRIAL SIZE |
| Country of Origin | Germany |
| HS Code | 8414599099 |
| Warranty | 1 Year Manufacturer Warranty |



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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 for ZIEHL-ABEGG products.
A: The 13kg precision-engineered centrifugal construction specifically designed for 4200 RPM operation provides exceptional durability exceeding 10+ years of continuous high-speed operation in extreme industrial environments. ZIEHL-ABEGG's German engineering excellence includes industrial-grade ball bearings specifically rated for high-speed centrifugal applications (minimum 40,000 hours at 4200 RPM), thermally optimized high-power motor components designed for continuous high-speed operation, reinforced scroll housing with advanced materials to withstand extreme centrifugal forces, and premium-grade electrical insulation rated for 3.9KW high-speed operation. This high-speed centrifugal fan delivers reliable performance in the most demanding applications such as industrial process ventilation with extreme pressure requirements, high-density cooling systems, and applications where maximum airflow against substantial resistance is essential. The centrifugal impeller design with extreme precision dynamic balancing and reinforced blade geometry handles high-speed loads while minimizing mechanical stress on components.
A: The advanced acoustic engineering specifically designed for 4200 RPM operation provides exceptionally quiet performance for a high-speed centrifugal fan. The centrifugal design with aerodynamically optimized impeller blades and carefully engineered scroll housing produces smooth airflow with minimal turbulence, resulting in lower aerodynamic noise despite extreme pressure generation at high speed. Extreme precision dynamic balancing of the high-speed rotating assembly significantly reduces vibration and mechanical noise transmission. The 55×55×45cm industrial construction incorporates advanced noise-damping features in the scroll housing, optimized airflow paths that minimize turbulence at high velocities, and specialized vibration-isolating mounting systems. Advanced motor technology with optimized magnetic circuits and smooth high-speed operation reduces electromagnetic noise. These engineering features combine to make this high-speed fan exceptionally quiet for its extreme performance class.
A: The 3.9KW high-power rating with dual-voltage 3-380/480V capability and efficient 6.2/5.0A current draw offers exceptional energy efficiency and flexibility for high-speed centrifugal fan applications. The dual-voltage feature provides international compatibility, allowing the fan to operate efficiently on both European 380V and North American 480V industrial power systems without modification. The favorable current draw characteristics at both voltages indicate well-designed motor efficiency and optimal power factor characteristics across different electrical standards. The high-speed design (4200 RPM) provides extreme pressure capability while maintaining energy efficiency through advanced motor technology and optimized aerodynamics. This makes the fan ideal for international applications, facilities with multiple voltage standards, and systems where both extreme performance and energy efficiency are critical requirements.
A: The RH31C-ZID.DG.CR with 55×55×45cm compact industrial design, dual-voltage 3-380/480V capability, and extreme 4200 RPM speed provides unique advantages for the most demanding industrial applications. The 4200 RPM operation delivers extreme pressure capability unmatched by standard centrifugal fans, making it ideal for applications with substantial system resistance, long duct runs with high friction losses, and processes requiring maximum airflow against backpressure. The dual-voltage design provides true international compatibility, allowing seamless operation in facilities worldwide without electrical modifications. The compact 13kg design offers substantial power in a relatively small footprint, making it suitable for space-constrained industrial installations. For extreme industrial applications, it provides reliable performance where standard fans cannot meet pressure requirements. For international operations, it offers flexibility across different regional electrical standards without performance compromise.
Contact our technical specialists for application-specific recommendations, performance data, or volume pricing for your high-speed industrial ventilation requirements.
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Ships within 48 hours · Estimated delivery Jun 27 - Jul 2
US$40
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