Backward Curved Impeller
The RH28M-2DK.3I.1R is configured as a single-inlet centrifugal impeller with backward-curved blades.
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ZIEHL-ABEGG
ZIEHL-ABEGG RH28M-2DK.3I.1R Centrifugal Fan 400V 50Hz 640W
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$547.19
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PRODUCT DOCUMENTATION
Product Information
Technical specifications, features, applications and purchasing information.
Technical Specifications
| Brand | ZIEHL-ABEGG |
| Model Number | RH28M-2DK.3I.1R |
| Product Category | Centrifugal Fan |
| Article Number | 172140 |
| Fan Design | Single Inlet Impeller with Backward Curved Blades |
| Motor Type | 3-Phase AC Motor |
| Rated Voltage at 50 Hz | 230/400 V ±10% Delta/Star |
| Input Power at 50 Hz | 640 W |
| Rated Current at 50 Hz | 2.10/1.20 A |
| Rated Speed at 50 Hz | 2820 rpm |
| Rated Voltage at 60 Hz | 230/400 V ±10% or 265/460 V ±10% Delta/Star |
| Input Power at 60 Hz | 980 W at 230/400 V; 1.05 kW at 265/460 V |
| Rated Speed at 60 Hz | 3230 rpm at 230/400 V; 3320 rpm at 265/460 V |
| Impeller Material | Aluminium |
| Electrical Connection | Supply Cable, 9 x 0.50 mm² x 105 cm |
| Motor Protection | Thermal Contact |
| Protection Rating | IP54 |
| Thermal Class | 155 |
| Bearing Type | Ball Bearing with Long-Time Lubrication |
| Weight | 9.10 kg |
Key Features
3-Phase AC Motor
The fan uses a three-phase AC motor with documented Delta/Star electrical connection configurations.
640W at 50Hz
At the documented 230/400 V and 50 Hz rated condition, the input power is 640 W and the rated speed is 2820 rpm.
Aluminium Impeller
The documented impeller material for the RH28M-2DK.3I.1R is aluminium.
IP54 Protection
The product specification identifies an IP54 degree of protection and thermal class 155.
Thermal Contact
The documented motor-protection configuration uses a thermal contact.
Applications
- Railway ventilation applications
- Industrial ventilation systems
- Air handling equipment
- Equipment air circulation
- Industrial machinery ventilation
- HVAC air movement systems
- Mechanical equipment cooling
- Centrifugal air movement applications
Purchase Information
We support online purchase of the ZIEHL-ABEGG RH28M-2DK.3I.1R Centrifugal Fan. If you need to make bulk purchases and inquire about other products, please contact our team to inform us of your purchase requirements. We will provide you with information such as quantity quotations, delivery dates, and transportation methods.
Frequently Asked Questions
What is ZIEHL-ABEGG RH28M-2DK.3I.1R?
ZIEHL-ABEGG RH28M-2DK.3I.1R is a three-phase AC centrifugal fan with a single-inlet backward-curved aluminium impeller.
What is the article number of RH28M-2DK.3I.1R?
The documented article number is 172140.
What voltage does RH28M-2DK.3I.1R use at 50 Hz?
The documented rated voltage is 230/400 V ±10% with Delta/Star connection at 50 Hz.
What is the input power at 50 Hz?
The documented input power is 640 W at the 230/400 V 50 Hz rated condition.
What is the rated speed at 50 Hz?
The documented rated speed is 2820 rpm.
What voltage ratings are specified at 60 Hz?
The documented 60 Hz rated configurations include 230/400 V ±10% and 265/460 V ±10% with Delta/Star connection.
What material is the RH28M-2DK.3I.1R impeller made from?
The documented impeller material is aluminium.
What protection rating does RH28M-2DK.3I.1R have?
The documented degree of protection is IP54.
What motor protection does RH28M-2DK.3I.1R use?
The product specification identifies a thermal contact for motor protection.
What bearing type is specified for RH28M-2DK.3I.1R?
The documented configuration uses ball bearings with long-time lubrication and a special bearing design.
What applications can RH28M-2DK.3I.1R be considered for?
The product documentation identifies railway use as a field of application. Other ventilation applications should be considered only after the electrical, airflow, mechanical and installation requirements have been checked.
What should be checked before ordering RH28M-2DK.3I.1R?
Check the complete model and article number, required voltage and frequency, Delta/Star connection, input power, current, speed, IP54 protection, installation position and mechanical requirements before ordering.
Need help confirming a model?
Send us your part number and technical requirements.
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