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AC Centrifugal Fan

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Mfr Part # Rated Voltage(V) Size(mm) Max.Air Flow(m³/h) Max.Pressure(Pa) Input Power(W) Speed(rpm) Noise(db)
RH25M-2DK.3B.1L 138684 | ZIEHL-ABEGG 400VAC AC Centrifugal Fan for HVAC and ventilation

For air-conditioning systems, RH25M-2DK.3B.1L 138684 combines 400 VAC operation with a centrifugal fan configuration. Its representative supplied feature is a 250 mm size specified in the upload data. Selection focus: power budget during final model confirmation. Check the exact variant before ordering.

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ER56C-4DN.F7.1R 130571/0Z41 | ZIEHL-ABEGG 400VAC 4227W AC Centrifugal Fan for renewable energy

ER56C-4DN.F7.1R 130571/0Z41 is a 400 VAC centrifugal fan for data centers, air-conditioning systems, packaging machinery. Its main supplied feature is energy-efficient aerodynamic design highlighted in the supplied series data. It also lists a 560 mm size specified in the upload data. Review operating point for final model confirmation.

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RH56A-4DK.7M.AR 121687 | ZIEHL-ABEGG 400VAC AC Centrifugal Fan for industrial equipment cooling

RH56A-4DK.7M.AR 121687 is a 400 VAC centrifugal fan for industrial ventilation and equipment cooling. Its main supplied feature is low-noise aerodynamic design documented for the series. It also lists a 560 mm size specified in the upload data. Review wiring plan for final model confirmation.

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RH31M-2DK.31.1R 133081 | ZIEHL-ABEGG 400VAC AC Centrifugal Fan for HVAC and ventilation

RH31M-2DK.31.1R 133081 supports air-conditioning systems as a centrifugal fan, with 400 VAC listed in the supplied data. Its representative supplied feature is a 310 mm size specified in the upload data. Selection focus: acoustic limit during final model confirmation. Check the exact variant before ordering.

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RG35P-4DK.7M.1L | ZIEHL-ABEGG 230VAC 1050W 350mm AC Centrifugal Fan for motor cooling

RG35P-4DK.7M.1L is a 230 VAC centrifugal fan for packaging machinery. Its main supplied feature is a compact construction intended to simplify equipment integration. It also lists a 350 mm size specified in the upload data. Review electrical supply for final model confirmation. Check the exact variant before ordering.

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RG28S-4DK.4F.AL | ZIEHL-ABEGG 400VAC AC Centrifugal Fan for HVAC and ventilation systems

The supplied record positions RG28S-4DK.4F.AL as a centrifugal fan for packaging machinery at 400 VAC. Its representative supplied feature is a forward-curved blade arrangement. Key data also includes a 280 mm size specified in the upload data. Selection focus: controller compatibility during application engineering.

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RH35M-2DK.6K.3R 207738 | ZIEHL-ABEGG 400VAC AC Centrifugal Fan for HVAC and ventilation

For industrial buyers serving air-conditioning systems, RH35M-2DK.6K.3R 207738 is specified as a 400 VAC centrifugal fan. Its representative supplied feature is a 800 mm size specified in the upload data. Selection focus: installation clearance during application engineering. Check the exact variant before ordering.

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GR50M-6DK.4I.1R 129968 | ZIEHL-ABEGG 400VAC AC Centrifugal Fan for HVAC and ventilation

The supplied record positions GR50M-6DK.4I.1R 129968 as a centrifugal fan for air-conditioning systems at 400 VAC. Its representative supplied feature is a backward-curved impeller configuration. Key data also includes a 400 mm size specified in the upload data. Selection focus: replacement fit during application engineering.

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RD31S-4DW.6Q.AL 121303 | ZIEHL-ABEGG 3~230/400VAC 3900W AC Centrifugal Fan for HVAC and ventilation

RD31S-4DW.6Q.AL 121303 is a 3~230/400 VAC centrifugal fan for packaging machinery. Its main supplied feature is a 310 mm size specified in the upload data. It also lists 9200 m³/h maximum airflow stated for this model. Review acoustic limit for application engineering. Check the exact variant before ordering.

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RH40V-4DK.4I.VR 115595 | ZIEHL-ABEGG 3~400/460VAC 465W AC Centrifugal Fan for industrial automation

RH40V-4DK.4I.VR 115595 is a 3~400/460 VAC centrifugal fan for packaging machinery. Its main supplied feature is a compact construction intended to simplify equipment integration. It also lists a 400 mm size specified in the upload data. Review control method for application engineering.

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RH50V-4DK.6K.1R 113367 | ZIEHL-ABEGG 3~230/400VAC 1800W AC Centrifugal Fan for industrial automation

RH50V-4DK.6K.1R 113367 is a 3~230/400 VAC centrifugal fan for packaging machinery. Its main supplied feature is a compact construction intended to simplify equipment integration. It also lists a 500 mm size specified in the upload data. Review air direction for spares planning. Check the exact variant before ordering.

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RH25M-2DK.3B.1R 137139 | ZIEHL-ABEGG 3~230/400VAC 410W AC Centrifugal Fan for HVAC and ventilation

RH25M-2DK.3B.1R 137139 is a 3~230/400 VAC centrifugal fan for air-conditioning systems. Its main supplied feature is 1800 m³/h maximum airflow stated for this model. It also lists a 250 mm size specified in the upload data. Review installation clearance for spares planning. Check the exact variant before ordering.

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RH40V-4EK.4F.1R 113306E | ZIEHL-ABEGG 230VAC AC Centrifugal Fan for industrial automation

Selected for packaging machinery, RH40V-4EK.4F.1R 113306E uses a centrifugal fan arrangement with 230 VAC. Its representative supplied feature is a 400 mm size specified in the upload data. Selection focus: wiring plan during spares planning. Use the complete model code and supplied parameters when confirming the final installation.

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RE45P-4DK.7Q.1R 127659 | ZIEHL-ABEGG 400VAC 450mm AC Centrifugal Fan for motor cooling

Within packaging machinery, RE45P-4DK.7Q.1R 127659 operates as a 400 VAC centrifugal fan. Its representative supplied feature is a 450 mm size specified in the upload data. Selection focus: system resistance during ductwork design. Use the complete model code and supplied parameters when confirming the final installation.

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RH35C-2DK.6N.1R 131126 | ZIEHL-ABEGG 400VAC AC Centrifugal Fan for renewable energy systems

RH35C-2DK.6N.1R 131126 is a 400 VAC centrifugal fan for data centers, air-conditioning systems, packaging machinery. Its main supplied feature is ECblue motor and integrated-control technology referenced for this model. It also lists a 350 mm size specified in the upload data. Review duct connection for ductwork design.

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RH45V-4DK.6F.VR 115601 | ZIEHL-ABEGG 400VAC 893W AC Centrifugal Fan for industrial automation

RH45V-4DK.6F.VR 115601 is a 400 VAC centrifugal fan for packaging machinery. Its main supplied feature is 893 W input power for the listed electrical version. It also lists a 450 mm size specified in the upload data. Review electrical supply for ductwork design. Check the exact variant before ordering.

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RH50V-4DK.6N.VR 171244 | ZIEHL-ABEGG 400VAC AC Centrifugal Fan for industrial automation

A 400 VAC electrical rating defines RH50V-4DK.6N.VR 171244, a centrifugal fan for packaging machinery. Its representative supplied feature is a backward-curved impeller configuration. Key data also includes a 500 mm size specified in the upload data. Selection focus: housing geometry during cabinet planning.

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RE35P-6DK.6K.1R 204520 | ZIEHL-ABEGG 400VAC 350mm AC Centrifugal Fan for motor cooling

RE35P-6DK.6K.1R 204520 is a 400 VAC centrifugal fan intended for packaging machinery. Its representative supplied feature is a forward-curved blade arrangement. Key data also includes a 350 mm size specified in the upload data. Selection focus: maintenance access during cabinet planning.

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ER31C-2DN.D7.1R 130601/0Z41 | ZIEHL-ABEGG 400VAC 2525W AC Centrifugal Fan for renewable energy

ER31C-2DN.D7.1R 130601/0Z41 is a 400 VAC centrifugal fan for data centers, air-conditioning systems, packaging machinery. Its main supplied feature is energy-efficient aerodynamic design highlighted in the supplied series data. It also lists a 310 mm size specified in the upload data. Review power budget for cabinet planning.

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RH25M-2DK.3B.1R 209222 | ZIEHL-ABEGG 3~230/400VAC 410W AC Centrifugal Fan for HVAC and ventilation

RH25M-2DK.3B.1R 209222 is a 3~230/400 VAC centrifugal fan for air-conditioning systems. Its main supplied feature is 1800 m³/h maximum airflow stated for this model. It also lists a 250 mm size specified in the upload data. Review system resistance for cabinet planning. Check the exact variant before ordering.

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201-220
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About AC Centrifugal Fan

AC centrifugal fans (also called AC centrifugal blowers) use AC induction motors to drive impellers that accelerate air radially outward, creating significantly higher static pressures than axial fans can achieve. This makes them essential for applications requiring air to be pushed through ductwork, filters, or heat exchangers with substantial pressure drop. AC centrifugal fans come in two primary configurations: forward-curved impellers for high airflow at moderate pressure, and backward-curved impellers for higher efficiency and pressure capability. They are used extensively in HVAC air handling units with long duct runs, industrial dust collection systems, fume extraction, combustion air supply for boilers and furnaces, and air curtain systems. Important selection parameters include fan curve matching to system resistance, motor power rating, impeller diameter, and construction material (galvanized steel, stainless steel, or plastic). Hengrui supplies AC centrifugal fans from all major global brands including ebm-papst, ZIEHL-ABEGG, Rosenberg, Nicotra Gebhardt and SODECA, with full product specification sheets and engineering support.

How to Select the Right AC Centrifugal Fan

Choosing the right AC Centrifugal Fan starts with the operating point rather than the model name. Define the airflow you actually need in CFM or m³/h and the static pressure the fan must overcome, then look for units whose performance curves pass through that point with a safety margin instead of sitting at the edge of the curve.

Pay attention to the electrical details early. DC fans typically run on 12/24/48 V and integrate easily with control boards, while AC fans suit 115/230 V fixed-speed installations. If the airflow must change with load, choose EC technology with PWM or analog control and, where monitoring matters, a tachometer output so the controller can detect fan failure.

Environment and compliance come next. Match the IP rating to dust and moisture exposure, prefer ball bearings wherever the fan runs hot, vertically or around the clock, and confirm certifications — UL, CE, RoHS — against your destination market. Setting the acoustic limit in dBA early prevents late-stage redesign when the first unit proves too loud.

Finally, compare candidates on total delivery risk, not only on price: confirm stock for the quantity you need, check the lead time for the next batch, and ask for datasheets and dimension drawings before committing. Our team cross-checks curves, dimensions and electrical data for you before quotation There are currently 437 items in this category ready to compare.

Typical Applications and Use Cases for AC Centrifugal Fan

AC Centrifugal Fan appear in almost every sector where heat or stale air must be moved reliably. Typical environments include server rooms and data centers, refrigeration condensers and cold-store evaporators, HVAC air handling units, telecom cabinets, medical and laboratory equipment, welding and CNC machine enclosures, and renewable-energy power cabinets. In each of these settings the fan is a critical component: its failure stops production, damages stored goods or forces expensive emergency downtime.

One recurring scenario comes from control cabinet retrofits: the original fan is obsolete, the mounting hole pattern cannot change, and downtime is measured in hours. We match the old unit against current series by frame size, airflow and noise, propose the closest drop-in alternative, and ship with a datasheet that lets the electrician connect it without redesign.

For cold storage operators the pain is simple: a failed evaporator or condenser fan must be replaced now, not after a six-week import cycle. Matching blade diameter, speed and protection class against stocked equivalents lets us restore cooling capacity within days, which is why replacement supply has become a core part of this category for us.

Whether the project involves new equipment or the replacement of installed ZIEHL-ABEGG units, the workflow is the same: send us the operating point and constraints, and we return a validated selection with datasheets, curves and a clear lead time.

Frequently Asked Questions About Buying AC Centrifugal Fan

Do you have AC Centrifugal Fan in stock and how fast can you deliver?

Common series and mainstream voltage versions are normally in stock and can ship within a few working days; specialized or customized variants are produced to order and typically require additional production time. Send us the exact model or the required parameters and we will confirm stock, unit price and the earliest shipment date in one reply Currently 437 products in this category are listed online.

Can you replace my existing AC Centrifugal Fan from another supplier or a discontinued model?

Yes. Replacement supply is one of our core services: we cross-reference the mounting dimensions, voltage, speed and performance curve of your installed unit and propose the closest current-series equivalent. Where the frame or connector differs slightly, we state the difference clearly before you order, so the replacement installs without surprises.

Can I order a single piece or request a sample before a bulk purchase?

Single-piece orders and samples are welcome — many customers validate one unit in their system before committing to volume. There is no minimum order quantity for standard stock models, and the sample price is deducted from the bulk order in most repeat purchases. Tell us the quantity you plan to use and we will quote both scenarios.

Bag

Bag packaging indicates that a specified quantity of product is packaged by the manufacturer in a bag, sealed pouch, or similar container and sold as a unit without repackaging. It is also used to describe kits/assortments where components are packaged in separate bags according to part number or parametric value, rather than in a compartmentalized box or similar rigid container.