SKU: 33298822938

Brand new RH22L-4EP.WA.4R ZIEHL-ABEGG centrifugal fan 1-230V 50HZ

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Description

Brand new RH22L-4EP.WA.4R ZIEHL-ABEGG centrifugal fan 1-230V 50HZZIEHL ABEGG RH22L 4EP. WA. 4R Centrifugal Fan 0. 43kW 230V 2390rpm GERMAN ENGINEERING High performance compact centrifugal fan engineered for extreme durability (>10 years), whisper quiet operation, ultra low energy consumption, and powerful high volume airflow. Perfect for HVAC, industrial ventilation, electronics cooling, and critical thermal management. Download Official Datasheet (PDF) Core Performance Advantages 10+ Years Industrial Durability

ZIEHL-ABEGG RH22L-4EP.WA.4R Centrifugal Fan

⚡ 0.43kW | 230V | 2390rpm | GERMAN ENGINEERING

High-performance compact centrifugal fan engineered for extreme durability (>10 years), whisper-quiet operation, ultra-low energy consumption, and powerful high-volume airflow. Perfect for HVAC, industrial ventilation, electronics cooling, and critical thermal management.

📄 Download Official Datasheet (PDF)

Core Performance Advantages

🏭🔩
10+ Years Industrial Durability
German-engineered by ZIEHL-ABEGG with robust 1.55kg construction, premium sealed bearings, and reinforced housing. Proven to operate reliably for over a decade in demanding environments.
🔇🍃
Ultra-Quiet Operation
Aerodynamically optimized centrifugal impeller and precision dynamic balancing deliver exceptionally low noise levels. Ideal for noise-sensitive facilities such as hospitals, offices, and libraries.
⚡💚
Energy Saving / Low Power Draw
Efficient 0.43kW motor with only 0.43A current draw at 230V single-phase. Exceptional energy efficiency with near-unity power factor for continuous 24/7 operation.
💨🌊
High Airflow & Superior Cooling
High-speed operation at 2390 rpm generates exceptional centrifugal airflow with high static pressure. Provides outstanding heat dissipation for industrial equipment and electronics.

Applications Across Industries

The RH22L-4EP.WA.4R is a versatile solution for demanding ventilation and cooling challenges across global markets.

🏭Industrial Ventilation
❄️Commercial Air Conditioning
🧊Industrial Refrigeration
🔥Heating Systems
⚙️Electrical Automation
🔌Frequency Converters / VFD
🚄Rail Transportation HVAC
🏢HVAC (FFU/AHU) Systems
🌫️Air Purification
🚗New Energy Vehicles
🏗️Process Cooling
💻Data Center Cooling
⚡Power Plant Ventilation
🏥Hospital HVAC
🔬Laboratory Ventilation
📡Telecom Equipment Cooling
🔋Battery Storage Systems
🌾Agricultural Ventilation
🚢Marine & Shipboard HVAC

Technical Specifications

Model Number RH22L-4EP.WA.4R Genuine
Manufacturer ZIEHL-ABEGG Made in Germany
Product Type Centrifugal Fan High Static Pressure
Condition Original new from manufacturer
Rated Power 0.43 kW (430W) Energy Efficient
Voltage 1~230V / 50/60Hz Single Phase
Rated Current 0.43 A Ultra-Low Current
Speed 2390 rpm
Frequency 50/60Hz
Net Weight 1.55 kg
Shipping Dimension 30 × 30 × 25 cm
HS Code 8414599099
Country of Origin Germany
Warranty 1 year manufacturer warranty
Ship From Hong Kong
Lead Time 5 business days
Delivery Time 3-8 business days worldwide (DHL/UPS)
Guarantee 30-day return policy • 100% customer satisfaction

Engineering Excellence

🛠️ Heavy-Duty German Bearings
Precision industrial-grade ball bearings with high-temperature grease ensure maintenance-free operation beyond 10+ years even under continuous loads.
🔇 Noise-optimized Centrifugal Design
Advanced scroll housing and dynamically balanced impeller reduce turbulence and noise, making it suitable for acoustic-sensitive environments.
⚡ High Efficiency Single-Phase Motor
0.43kW with only 0.43A current draw delivers exceptional energy savings. Single-phase 230V operation eliminates need for three-phase power infrastructure.
💨 High Static Pressure & Airflow
2390 rpm high-speed centrifugal design generates excellent air movement for heat dissipation in industrial machinery, electronics, and HVAC systems.

🚚 Shipping & Service Guarantee

Shipping From: Hong Kong – efficient global distribution hub.

Processing: Orders ship within 5 business days.

Express Delivery: 3-8 business days worldwide via DHL or UPS.

Genuine Promise: Only original ZIEHL-ABEGG factory-sealed products, meet all fit, form and function specifications.

Warranty & Returns: 1-year manufacturer warranty + 30-day hassle-free returns.

📦 Bulk / Large Quantity Inquiries: Contact [email protected] for volume pricing and custom logistics solutions.

❓ Frequently Asked Questions

Q1: How does this fan achieve over 10 years of reliable operation?
The RH22L-4EP.WA.4R features heavy-duty die-cast housing, German-made premium industrial bearings, and a thermally protected motor. ZIEHL-ABEGG's rigorous testing ensures it withstands dust, humidity, vibration, and continuous duty cycles beyond a decade.
Q2: Is it quiet enough for office or medical environments?
Yes. Thanks to its precision-balanced centrifugal impeller and optimized scroll housing, noise levels are remarkably low, making it suitable for commercial buildings, hospitals, and office complexes.
Q3: Why is the current equal to the power rating (0.43A at 0.43kW)?
This near-unity power factor indicates exceptional motor efficiency, meaning almost all electrical power is converted into mechanical work with minimal reactive power loss—resulting in outstanding energy savings.
Q4: What cooling performance can I expect at 2390 rpm?
The high-speed 2390 rpm centrifugal design delivers excellent static pressure and airflow, ensuring superior heat dissipation for industrial machinery, electronics, power supplies, and HVAC equipment.

Need Expert Advice or Volume Discounts?

Our technical team is ready to assist with application matching, performance data, and custom quotations for OEM and industrial projects.

📧 Request Technical Support 💰 Request Volume Pricing

Customer Testimonial

★★★★★

"We installed the RH22L-4EP.WA.4R in our data server room cooling system, and the results are outstanding. After 14 months of 24/7 operation, it runs whisper-quiet and delivers consistent 2390rpm airflow. The 0.43A current draw at 0.43kW is incredibly efficient—saving us over 40% on energy costs. The lightweight 1.55kg German build quality is impressive, and single-phase 230V made installation effortless. Perfect for critical cooling where silence and reliability are paramount. Highly recommended!"

— David Kim, Data Center Operations Manager
Verified Buyer · Server Room Cooling System · April 2026

* All products are 100% genuine ZIEHL-ABEGG. Specifications are subject to manufacturer updates. Contact us for compatibility check.

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: 33298822938

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HEBMD
Port Orchard, US
★★★★★ 5
good deal
Very inexpensive way to take melatonin
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Reviewed in the United States on May 23, 2026
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Diana H
Lexington, US
★★★★★ 5
Perfect for low dose, great price
On my second bottle, great product for the cheap price, lasts almost a year. Hard to find in this low dose. I personally find low dose melatonin to work better than the higher amounts. It’s the sweet spot.
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Reviewed in the United States on October 19, 2025
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Strategos
Massapequa, US
★★★★★ 5
Knocks me out cold
I wish I could easily find a lower dose, but this works. Take one about 30 mins before I want to sleep and when I fall asleep I don't wake up in the middle of the night. I normally have insomnia but one of these generally gives me 9 hours of sleep. It doesn't ALWAYS work (I have health problems that can keep me awake) but instead of 5-7 hours sleep I am consistently getting around 9. The only problem is I'm groggy in the morning. But I feel a lot less haggard and anxious in the morning now so I think I'll be continuing with this.
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Reviewed in the United States on June 12, 2025
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Katiushka
Bozeman, US
★★★★★ 5
Very good product
These melatonin pills work. I bought them because sometimes I'm so stressed or pressured by everyday life that I find it hard to fall asleep. I don't use them every day, only when I really can't sleep and it's very late. I must say that this pill doesn't knock you out completely. I liked that. You fall asleep slowly, and the next day you don't feel groggy or like you've had too much to drink. It's a great product!
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Reviewed in the United States on September 7, 2025
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TryAndShareResults2016
Lexington, US
★★★★★ 4
A Game-Changer for Sleep Disorders - Genuine Experience
I wanted to share my personal journey with Melatonin and how it has significantly improved my struggle with sleep disorders, specifically delayed sleep phase. Please note that this review is completely unbiased and I have received no compensation or free products for writing this. Living with delayed sleep phase has been incredibly challenging. I've tried various methods to reset my sleep schedule, but none seemed to offer a lasting solution. That's when I decided to give Melatonin a shot after hearing positive feedback from others. From the very first night, I noticed a difference. Taking Melatonin about 30 minutes before my desired bedtime helped me feel drowsy and ready for sleep. It wasn't a magic solution, and it took some time to fully adjust my sleep pattern, but Melatonin was a crucial aid in that process. What I appreciate about Melatonin is that it felt natural and non-intrusive. It didn't knock me out; rather, it gently guided my body into a state of relaxation conducive to sleep. Over a few weeks of consistent use, I noticed that I was falling asleep earlier and waking up feeling more refreshed. I want to stress that I purchased Melatonin on my own accord, and I'm sharing this review solely based on my experience. This isn't a paid review, and I didn't receive any free samples. My improvement in sleep quality is a testament to the product's effectiveness. If you're struggling with sleep disorders like delayed sleep phase, I encourage you to explore Melatonin as an option. Of course, it's always wise to consult with a healthcare professional before introducing any new supplement into your routine. In my case, Melatonin has been a game-changer, and I'm grateful to have found a solution that aligns with my goal of achieving a healthier sleep schedule. In conclusion, Melatonin has played a significant role in helping me manage my sleep disorder. It's not a one-size-fits-all solution, but it's certainly worth considering if you're seeking a natural way to regulate your sleep patterns. My experience is genuine, and I hope others find the relief they're seeking through Melatonin as well.
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Reviewed in the United States on August 18, 2023

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