AC Forward Curved Centrifugal Fans - AC Forward Blowers

AC Forward

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Rated Voltage(V)

Size(mm)

Max.Air Flow(m³/h)

885 160 80 100 570 350 390 440 240 42 54 280 270 1230 490 380 500 320 155 470 535 340 1335 645 260 520 300 540 475 590 755 1020 1145 1270 6620 410 495 185 255 630 1110 3010 1875 1375 585 615 1195 705 1300 1210 1395 1350 670 1660 1560 1090 1710 1070 1085 1115 290 405 435 865 955 945 850 925 1100 1140 1670 1650 1340 1425 1495 2435 2110 620 555 665 1030 1500 1620 895 1490 1015 1215 2760 460 1285 175 510 920 365 905 445 450 188 86 770 580 1910 245 3940 1835 4040 875 730 700

Max.Pressure(Pa)

Input Power(W)

80 85 50 19.5 30 65 13 20 48 67 150 25 38 32 90 27 52 43 70 53 110 140 220 47 115 350 1060 135 130 185 370 190 160 95 2180 390 225 145 42 75 360 200 305 430 105 180 240 400 170 310 210 340 4380 62 205 35 1320 380 980 335 420 385 365 100 195 245 300 460 165 57 345 60 34 58 28 260 250 375 98 270 125 24 55 61 93 88 102 155 280 82 117 246 231 44 33 285 455 215 107 112 265 51 330 92 22 255 1280 1270

Speed(rpm)

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)

D2E133-AM35-B4 \| ebm-papst AC Centrifugal Fan for Electronic Equipment, Heat Pumps D2E133-AM35-B4 is a 230 VAC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is 2300 rpm rated speed in the supplied parameter row. It also lists a 133 mm size specified in the upload data. Review cooling margin for replacement review.	230	133	580	200	165	2300	-
G2E146-BF01-35 \| ebm-papst AC Centrifugal Fan for Air Handling Units & Fan Arrays G2E146-BF01-35 is a 230 VAC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is 2150 rpm rated speed in the supplied parameter row. It also lists a 146 mm size specified in the upload data. Review airflow path for replacement review. Check the exact variant before ordering.	230	146	540	250	285	2150	-
D2E133-DM47-E6 \| ebm-papst AC Centrifugal Fan for Electronic Equipment D2E133-DM47-E6 is a 230 VAC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is 195 W input power for the listed electrical version. It also lists a 133 mm size specified in the upload data. Review mounting envelope for replacement review.	230	133	-	-	195	1650	-
D2E146-AP47-43 \| ebm-papst AC Centrifugal Fan for Air Handling Units & Fan Arrays D2E146-AP47-43 is a 230 VAC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is 330 W input power for the listed electrical version. It also lists a 146 mm size specified in the upload data. Review procurement specification for final model confirmation.	230	146	-	730	330	2550	730
D2E146-AP50-E1 \| ebm-papst AC Centrifugal Fan for Air Handling Units & Fan Arrays D2E146-AP50-E1 is a 230 VAC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is 700 m³/h maximum airflow stated for this model. It also lists a 146 mm size specified in the upload data. Review housing geometry for final model confirmation.	230	146	700	455	340	2700	-
D2E133-CF01-60 \| ebm-papst AC Centrifugal Fan for Air Handling Units & Fan Arrays D2E133-CF01-60 is a 230 VAC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is a 133 mm size specified in the upload data. It also lists 540 m³/h maximum airflow stated for this model. Review controller compatibility for final model confirmation.	230	133	540	430	205	1650	-
D2E133-DM27-D8 \| ebm-papst AC Centrifugal Fan for Air Handling Units & Fan Arrays D2E133-DM27-D8 is a 230 VAC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is a compact construction intended to simplify equipment integration. It also lists a 133 mm size specified in the upload data. Review air direction for final model confirmation.	230	133	730	440	220	1900	-
D2E133-DM64-I5 \| ebm-papst AC Centrifugal Fan for Air Handling Units & Fan Arrays D2E133-DM64-I5 is a 230 VAC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is 2500 rpm rated speed in the supplied parameter row. It also lists a 133 mm size specified in the upload data. Review performance curve for final model confirmation.	230	133	670	300	255	2500	-
D2E146-HT67-39 \| ebm-papst AC Centrifugal Fan for Air Handling Units & Fan Arrays D2E146-HT67-39 is a 230 VAC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is 400 W input power for the listed electrical version. It also lists a 146 mm size specified in the upload data. Review maintenance access for final model confirmation.	230	146	875	200	400	2100	-
D4D250-CA02-01 \| ebm-papst AC Centrifugal Fan for Air Handling Units & Fan Arrays D4D250-CA02-01 is a 400 VAC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is 1200 rpm rated speed in the supplied parameter row. It also lists a 250 mm size specified in the upload data. Review wiring plan for final model confirmation.	400	250	4040	380	1270	1200	76
D4E146-AA07-25 \| ebm-papst AC Centrifugal Fan for Air Handling Units & Fan Arrays D4E146-AA07-25 is a 230 VAC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is a compact construction intended to simplify equipment integration. It also lists a 146 mm size specified in the upload data. Review motor interface for final model confirmation.	230	146	770	160	115	1100	-
D4E160-EG06-05 \| ebm-papst AC Centrifugal Fan for Air Handling Units & Fan Arrays D4E160-EG06-05 is a 230 VAC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is 245 W input power for the listed electrical version. It also lists a 160 mm size specified in the upload data. Review airflow path for final model confirmation.	230	160	1230	250	245	1350	-
D4D180-CB01-02 \| ebm-papst AC Centrifugal Fan for Air Handling Units & Fan Arrays D4D180-CB01-02 is a 400 VAC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is 250 Pa maximum pressure stated for this model. It also lists a 180 mm size specified in the upload data. Review mounting envelope for final model confirmation.	400	180	1910	250	360	1030	-
D4D225-GH02-01 \| ebm-papst AC Centrifugal Fan for Air Handling Units & Fan Arrays D4D225-GH02-01 is a 400 VAC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is a 225 mm size specified in the upload data. It also lists 3940 m³/h maximum airflow stated for this model. Review housing geometry for application engineering.	400	225	3940	150	1280	1360	-
G2E085-AA01-01 \| ebm-papst AC Centrifugal Fan for Air Handling Units & Fan Arrays G2E085-AA01-01 is a 230 VAC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is 140 Pa maximum pressure stated for this model. It also lists a 85 mm size specified in the upload data. Review power budget for cabinet planning. Check the exact variant before ordering.	230	85	100	140	30	2800	-
D2E140-HR97-07 \| ebm-papst AC Centrifugal Fan for Air Handling Units & Fan Arrays D2E140-HR97-07 is a 230 VAC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is a compact construction intended to simplify equipment integration. It also lists a 140 mm size specified in the upload data. Review fan selection for cabinet planning.	230	140	-	-	130	1050	-
G2E133-DN77-01 \| ebm-papst AC Centrifugal Fan for Air Handling Units & Fan Arrays G2E133-DN77-01 is a 230 VAC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is 88 W input power for the listed electrical version. It also lists a 133 mm size specified in the upload data. Review system resistance for cabinet planning.	230	133	245	300	88	2150	-
G2E108-AA01-01 \| ebm-papst AC Centrifugal Fan for Air Handling Units & Fan Arrays G2E108-AA01-01 is a 230 VAC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is 155 m³/h maximum airflow stated for this model. It also lists a 108 mm size specified in the upload data. Review motor interface for cabinet planning. Check the exact variant before ordering.	230	108	155	260	44	1650	-
G4D225-GK10-03 \| ebm-papst AC Centrifugal Fan for Air Handling Units & Fan Arrays G4D225-GK10-03 is a 400 VAC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is a compact construction intended to simplify equipment integration. It also lists a 225 mm size specified in the upload data. Review system resistance for energy review.	400	225	1835	320	460	1310	-
D4E225-FH01-06 \| ebm-papst AC Centrifugal Fan for Air Handling Units & Fan Arrays D4E225-FH01-06 is a 230 VAC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is 1230 rpm rated speed in the supplied parameter row. It also lists a 225 mm size specified in the upload data. Review fan selection for compatibility checking.	230	225	-	-	1060	1230	-

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About AC Forward

AC forward curved centrifugal fans use impellers with blade tips angled in the direction of rotation, which creates a velocity multiplier effect — these fans can produce very high airflow rates at moderate static pressures relative to their physical size and motor power. Forward curved centrifugal fans are the preferred choice for HVAC air handling units, where large volume airflow is needed with moderate duct resistance, and for applications requiring compact dimensions relative to airflow output. They are also widely used in fume extraction, dust collection systems with light loading, and industrial process ventilation. The main trade-off compared to backward curved impellers is lower aerodynamic efficiency — forward curved designs typically operate at 55-65 percent efficiency versus 70-85 percent for backward curved types. Important specification parameters include impeller diameter, motor speed (RPM), airflow (m3/h or CFM), static pressure (Pa or mm WG), and sound power level. Leading manufacturers supplying AC forward curved centrifugal fans include ebm-papst (in its A series), ZIEHL-ABEGG, Rosenberg, and SODECA. Hengrui offers competitive factory-direct pricing and engineering consultation for AC forward curved fan selection.

How to Select the Right AC Forward

Before comparing models of AC Forward, write down the real operating requirements: required airflow, system static pressure, available installation space and the electrical supply on site. A selection that ignores any of these four factors usually ends in returned goods or on-site retrofits.

Voltage and control define the shortlist. Standard options include 12/24/48 V DC and 115/230 V AC; for applications where operating points move, EC fans with PWM or 0-10 V input give precise speed control, and a tach signal provides the feedback many safety systems require.

Environmental conditions eliminate unsuitable models faster than any catalog filter. Check the ambient temperature range, required IP protection for dust and moisture, and the expected service life — ball-bearing units hold their noise and airflow figures far longer than sleeve-bearing designs in vertical or high-temperature positions. If the equipment must ship into regulated markets, verify UL, CE and RoHS compliance at this stage, and set a realistic noise target in dBA so acoustic requirements do not surface after installation.

Close the selection by de-risking the order: verify stock levels, confirm production lead time, and request datasheets plus dimension drawings for the final candidates so the mounting holes and connectors are checked before purchase. Share your operating point with us and we will validate the fit 290 products in this category are ready for comparison.

Typical Applications and Use Cases for AC Forward

Across our project record, AC Forward are specified wherever equipment must stay cool and air must keep moving: data centers and server rooms, commercial refrigeration, air handling and ventilation systems, telecom and battery cabinets, industrial machinery, and power electronics in the new-energy sector. What these projects share is a simple truth — the fan is small in cost but decisive for uptime, so it deserves the same engineering attention as the equipment it protects.

In a recent retrofit project, a customer's cooling unit had to keep running while its worn fan was exchanged. We identified a current-series replacement with identical mounting dimensions and an equivalent airflow-pressure curve, confirmed the tach output compatibility, and the installation was finished within a single maintenance window.

A second frequent case is refrigeration service: a condenser or evaporator fan fails and the exact original model is on long lead time. Instead of waiting, we check bearing type, IP rating, blade diameter and speed, then offer an equivalent that restores capacity immediately — one of the most common ways our stock protects cold chain operations.

New builds and replacement projects on ebmpapst equipment follow the same path at our company: you send the required airflow, pressure and dimensions; we respond with a shortlist, performance curves and firm delivery dates.

Frequently Asked Questions About Buying AC Forward

Can you replace my existing AC Forward 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.

Do you support customized or OEM versions of AC Forward?

Yes. Beyond catalogue models we can discuss modified lead wires, connectors, speed curves, IP upgrades or private-label packaging for OEM projects. Customization usually starts from a defined annual quantity; our engineers will review your requirement and confirm feasibility, tooling cost and lead time before any commitment.

AC Forward

AC Forward

By type

By industry

Rated Voltage(V)

Size(mm)

Max.Air Flow(m³/h)

Max.Pressure(Pa)

Input Power(W)

Speed(rpm)

Noise(db)

Stocking Options

Environmental Options

Media

Exclude

Applied Filters

About AC Forward

How to Select the Right AC Forward

Typical Applications and Use Cases for AC Forward

Frequently Asked Questions About Buying AC Forward

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

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

Do you support customized or OEM versions of AC Forward?