AC Centrifugal Fan

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Rated Voltage(V)

Size(mm)

Max.Air Flow(m³/h)

1800 19300 4020 3200 1500 3680 10900 9800 11800 1750 1900 20700 5500 7300 28000 5600 4400 5700 13200 23000 5000 3900 7000 14300 18400 9400 11000 17500 1790 5980 6450 9250 800 10600 3300 2950 6400 8800 22500 6800 11600 17900 3400 6300 6500 13600 24500 12100 7700 2505 2800 4200 12800 2600 26974 11100 9050 3700 29800 12300 6530 2750 18705 4100 4150 1798 1700 1535 25800 1176 4700 1508 5143 943 2400 2700 2200 4300 5200 4500 5100 8600 9900 8700 11900 15000 17200 14800 16600 23900 17100 21300 20100 31600 33700 35800 38400 28800 32900 39700 41500 43400 46200 49600 54100 58600 67100 74400 54600 43900 49200

Max.Pressure(Pa)

1250 560 480 650 425 530 250 1400 700 460 450 690 600 500 475 750 1100 1800 1000 1500 1150 1600 900 920 1125 930 1700 550 800 850 1350 1200 720 260 775 910 950 1075 1575 925 825 175 2550 1380 505 390 740 760 755 112 349 510 1120 1427 1060 417 1592 222 688 719 181 1775 1825 1375 1750 1850 1225 1950 525 625 1525 575 1325 1625 1275 1650 675 975 875 1175 1675 2075

Input Power(W)

1000 150 110 710 160 2000 290 490 410 200 240 510 2400 210 420 750 300 460 4200 3400 5000 3100 3900 1900 3600 1050 1650 1300 1700 660 790 3000 2100 1800 11000 250 280 450 2500 2600 1500 5500 970 770 680 92 700 1100 830 1150 860 570 3200 4600 900 760 1750 640 1350 550 4000 1550 690 820 610 590 2200 5900 513 542 1715 12085 249 639 292 621 146 202 1421 7500 15000 18500 22000 30000 37000 48000 55000 75000

Speed(rpm)

2800 2700 3650 2680 2600 2950 1550 2740 2450 1340 1640 1350 1310 1510 1520 1450 1570 1690 1360 1590 1500 860 2060 900 920 1070 820 2200 1370 1320 1300 1440 1330 2820 2880 1540 1760 1470 1680 2860 2870 3500 3010 3080 910 2530 2570 2440 2430 1560 1210 2190 1880 2810 1460 1380 1580 1250 2730 1260 1020 1060 1220 1620 930 880 1050 1010 3120 960 1140 3040 1190 2020 1770 770 1110 2090 1040 1030 2970 1280 1200 3170 1290 2590 1230 3270-3380 2420 2320 2790 2760 1240 2019 2990 2230 3220 4500 5200 2210 4050 5020 4710 3520 4370 4670 3260 3680 4090 4190 2330 2980 3330 2170 2690 3340 2270 1730 1980 1840 1160 690

Noise(db)

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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)

RH35M-2DK.6K.3R 172148 \| ZIEHL-ABEGG 400VAC AC Centrifugal Fan for renewable energy systems Specified at 400 VAC, RH35M-2DK.6K.3R 172148 is a centrifugal fan developed around inverter cooling, packaging machinery, production machinery. Its representative supplied feature is a 350 mm size specified in the upload data. Selection focus: motor interface during application engineering.	400	350	-	-	-	-	-
RH35M-2DK.6F.2R 172147 \| ZIEHL-ABEGG 400VAC AC Centrifugal Fan for renewable energy systems RH35M-2DK.6F.2R 172147 is a 400 VAC centrifugal fan for inverter cooling, packaging machinery, production 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 pressure requirement for application engineering.	400	350	-	-	-	-	-
RD35S-4DW.6T.BL 209852 \| ZIEHL-ABEGG 400VAC 5900W AC Centrifugal Fan for HVAC and ventilation RD35S-4DW.6T.BL 209852 is a 400 VAC centrifugal fan for controlled indoor ventilation, telecom equipment, 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 housing geometry for spares planning.	400	350	10600	800	5900	1220	-
RH31C-2DK.31.1R 134628 \| ZIEHL-ABEGG 400VAC 1050W AC Centrifugal Fan for renewable energy RH31C-2DK.31.1R 134628 is a 400 VAC centrifugal fan for data centers, wind-power equipment. Its main supplied feature is 82 dB noise data recorded for this model. It also lists a 310 mm size specified in the upload data. Review air direction for spares planning. Check the exact variant before ordering.	400	310	4020	1120	1050	2680	82
RD28S-4DW.4R.2L 105354A \| ZIEHL-ABEGG 3~400/690VAC 1350W AC Centrifugal Fan for HVAC and ventilation RD28S-4DW.4R.2L 105354A is a 3~400/690 VAC centrifugal fan for controlled indoor ventilation, telecom equipment, packaging machinery. Its main supplied feature is 1350 W input power for the listed electrical version. It also lists a 280 mm size specified in the upload data. Review equipment interface for spares planning.	3~400/690	280	-	-	1350	1290	-
RH25M-2DK.3B.1R 109365 \| ZIEHL-ABEGG 3~230/400VAC 290W AC Centrifugal Fan for renewable energy RH25M-2DK.3B.1R 109365 is a 3~230/400 VAC centrifugal fan for inverter cooling, packaging machinery, production machinery. Its main supplied feature is a 250 mm size specified in the upload data. It also lists 1800 m³/h maximum airflow stated for this model. Review ventilation duty for spares planning.	3~230/400	250	1800	510	290	2730	-
RH45G-4DK.4I.1R 153295 \| ZIEHL-ABEGG 400VAC AC Centrifugal Fan for HVAC and ventilation Specified at 400 VAC, RH45G-4DK.4I.1R 153295 is a centrifugal fan developed around heat pumps, air-conditioning systems. Its representative supplied feature is a 450 mm size specified in the upload data. Selection focus: power budget during spares planning. Use the complete model code and supplied parameters when confirming the final installation.	400	450	-	-	-	-	-
RH31M-4EK.2C.2R 130823 \| ZIEHL-ABEGG 230VAC AC Centrifugal Fan for renewable energy systems RH31M-4EK.2C.2R 130823 is a 230 VAC centrifugal fan for inverter cooling, packaging machinery, production machinery. Its main supplied feature is a backward-curved impeller configuration. It also lists a 310 mm size specified in the upload data. Review operating point for spares planning.	230	310	-	-	-	-	-
GR35M-2EK.6N.3R 133225 \| ZIEHL-ABEGG 1~230VAC 1800W AC Centrifugal Fan for renewable energy GR35M-2EK.6N.3R 133225 is a 1~230 VAC centrifugal fan for inverter cooling, packaging machinery, production machinery. Its main supplied feature is 2870 rpm rated speed in the supplied parameter row. It also lists a 350 mm size specified in the upload data. Review cooling margin for spares planning.	1~230	350	3300	1200	1800	2870	-
RG28S-4DK.4F.AR 129864 \| ZIEHL-ABEGG 400VAC AC Centrifugal Fan for HVAC and ventilation RG28S-4DK.4F.AR 129864 is a 400 VAC centrifugal fan for ventilation and exhaust, packaging machinery, production machinery. Its main supplied feature is a forward-curved blade arrangement. It also lists a 280 mm size specified in the upload data. Review mounting envelope for spares planning.	400	280	-	-	-	-	-
RH28M-2DK.3I.1R 134434 \| ZIEHL-ABEGG 3~230/400VAC 570W AC Centrifugal Fan for renewable energy RH28M-2DK.3I.1R 134434 is a 3~230/400 VAC centrifugal fan for inverter cooling, packaging machinery, production machinery. Its main supplied feature is 570 W input power for the listed electrical version. It also lists a 280 mm size specified in the upload data. Review procurement specification for ductwork design.	3~230/400	280	2505	755	570	2860	-
RD31S-4DW.6Q.AL 110235 \| ZIEHL-ABEGG 400VAC AC Centrifugal Fan for HVAC and ventilation Within controlled indoor ventilation, telecom equipment, packaging machinery, RD31S-4DW.6Q.AL 110235 operates as a 400 VAC centrifugal fan. Its representative supplied feature is a 310 mm size specified in the upload data. Selection focus: housing geometry during ductwork design. Check the exact variant before ordering.	400	310	-	-	-	-	-
RH56E-4DK.6N.1R 130897 \| ZIEHL-ABEGG 400VAC 2500W AC Centrifugal Fan for HVAC and ventilation RH56E-4DK.6N.1R 130897 is a 400 VAC centrifugal fan for heat pumps, air-conditioning systems. Its main supplied feature is 920 Pa maximum pressure stated for this model. It also lists a 560 mm size specified in the upload data. Review controller compatibility for ductwork design. Check the exact variant before ordering.	400	560	12800	920	2500	1320	81
RH28M-2DK.3F.2R 155575 \| ZIEHL-ABEGG 400VAC 513W AC Centrifugal Fan for renewable energy RH28M-2DK.3F.2R 155575 is a 400 VAC centrifugal fan for inverter cooling, packaging machinery, production machinery. Its main supplied feature is 513 W input power for the listed electrical version. It also lists a 280 mm size specified in the upload data. Review air direction for ductwork design.	400	280	-	-	513	-	-
GR28M-2DK.3F.2R 129865 \| ZIEHL-ABEGG 400VAC AC Centrifugal Fan for renewable energy systems GR28M-2DK.3F.2R 129865 is a 400 VAC centrifugal fan for inverter cooling, packaging machinery, production machinery. Its main supplied feature is a compact construction intended to simplify equipment integration. It also lists a 280 mm size specified in the upload data. Review maintenance access for ductwork design.	400	280	-	-	-	-	-
RН28M-2DK.3F.2R 130020 \| ZIEHL-ABEGG 400VAC 790W AC Centrifugal Fan for renewable energy RН28M-2DK.3F.2R 130020 is a 400 VAC centrifugal fan for inverter cooling, packaging machinery, production machinery. Its main supplied feature is 3120 rpm rated speed in the supplied parameter row. It also lists a 280 mm size specified in the upload data. Review operating point for ductwork design.	400	280	-	-	790	3120	-
RH35M-2DK.5L.3R 126193 \| ZIEHL-ABEGG 3~230/400VAC 1650W AC Centrifugal Fan for renewable energy RH35M-2DK.5L.3R 126193 is a 3~230/400 VAC centrifugal fan for inverter cooling, packaging machinery, production machinery. Its main supplied feature is a backward-curved impeller configuration. It also lists a 350 mm size specified in the upload data. Review wiring plan for ductwork design.	3~230/400	350	4200	1380	1650	2810	-
RH50M-VDK.5F.1R 210734 \| ZIEHL-ABEGG 400VAC AC Centrifugal Fan for renewable energy systems A 400 VAC electrical rating defines RH50M-VDK.5F.1R 210734, a centrifugal fan for inverter cooling, packaging machinery, production 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: replacement fit during ductwork design.	400	500	-	-	-	-	-
RE20P-2DT.3F.5R 126795 \| ZIEHL-ABEGG 3~400VAC 750W AC Centrifugal Fan for industrial equipment cooling RE20P-2DT.3F.5R 126795 is a 3~400 VAC centrifugal fan for packaging machinery, production machinery, cleanroom workstations. Its main supplied feature is 750 W input power for the listed electrical version. It also lists a 200 mm size specified in the upload data. Review duct connection for ductwork design.	3~400	200	-	-	750	2590	-
RF18P-2DK.1B.1R 205779E \| ZIEHL-ABEGG 400VAC AC Centrifugal Fan for HVAC and ventilation For equipment cooling, air-conditioning systems, RF18P-2DK.1B.1R 205779E combines 400 VAC operation with a centrifugal fan configuration. Its representative supplied feature is a direct-drive arrangement with no separate transmission. Selection focus: cooling margin during ductwork design.	400	-	-	-	-	-	-

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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.

AC Centrifugal Fan