ebm-papst EC Backward Centrifugal Fans | High Static Pressure 24V-48V

EC Backward

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Rated Voltage(V)

Size(mm)

Max.Air Flow(m³/h)

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Max.Pressure(Pa)

95 1250 595 400 650 280 60 100 1340 1050 200 325 1400 2500 700 840 300 460 450 600 340 240 540 500 470 750 1100 1925 1800 1000 1500 1150 1583 2200 1900 1239 1600 2100 900 1300 920 1125 930 1700 1450 550 794 780 1130 225 800 1030 850 1350 1560 816 1200 526 720 1094 785 830 350 260 320 602 775 420 910 670 950 980 1075 1575 659 925 771 799 536 674 1080 469 335 2000 2550 1680 584 597 513 499 269 490 820 665 1245

Input Power(W)

85 1000 19 16 10 38 14 90 27 45 110 115 350 1160 950 135 275 190 290 490 75 410 360 105 240 400 170 510 205 1320 380 385 100 325 169 750 245 300 1030 460 500 5370 5250 4200 5700 4400 3050 3240 2950 2900 3350 3400 4500 6800 7000 3300 5000 5950 2850 3950 3100 3060 3650 3900 9780 11450 11300 4450 1200 1900 3600 3700 165 352 1050 1650 1300 1700 118 166 57 83 715 660 1230 790 2680 3000 3450 2100 930 940 1180 345 60 243 1800 11000 7700 394 2825 1850 1615 740 3500 2730 34 28 260 82 44 455 51 485 347 470 446 450 2500 2600 2650 2800 1500 4050 4250 178 330 138 168 475 465 502 1140 2930 705 5500 3150 2360 2700 2550 3250 3550 1955 355 2160 4700 208 281 2750 6210 119 6000 1420 520 12000 382

Speed(rpm)

2800 2700 3100 2650 3000 5000 2300 2900 2400 3650 1900 2680 2600 1700 3900 2500 2550 4100 3400 4000 2850 4200 3600 2250 1850 1550 2750 3030 2450 1350 1510 1400 1520 1500 1390 2060 4800 5830 2000 2100 2200 1750 1950 1370 1300 1440 2370 2830 2880 4120 3450 3230 2480 1540 1760 1860 1780 1810 1470 1680 2860 2870 1420 3290 2510 3140 3500 4720 2710 3530 4250 3010 1610 2240 3080 910 3410 2140 3830 2180 4680 2040 2560 1650 2580 2070 3390 2360 2430 1775 1425 2280 1560 1210 2190 2725 2635 2260 1890 1880 3770 2810 1675 1460 2435 1910 2534 3740 2160 4136 3863 2501 2875 2305 2815 1670 3800 3690 2840 2488 2896 3040 2490 3700 5470 5390

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)

VBH0500CTTRS \| ebm-papst 400V 6210W EC Centrifugal Fan for Air Handling Units Focused on Air Handling Units, the ebm-papst VBH0500CTTRS is a 400 V EC backward-curved centrifugal fan, centered on a listed pressure capability of 1,680 Pa. This clarifies the model's listed capability.	400	500	17365	1680	6210	2840	80
K3G310-BE90-N1 \| ebm-papst 3~380-480V 1300W EC Centrifugal Fan for Air Handling Intended for Air Handling, ebm-papst K3G310-BE90-N1 is a 380-480V EC backward-curved centrifugal fan, noted for a documented speed of 2,900 rpm. This supports duty-point selection.	3`380-480	310	5215	1150	1300	2900	72
K3G200-AG16-I3 \| ebm-papst 230VAC 450W EC Centrifugal Fan for air handling and HVAC systems K3G200-AG16-I3 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 200 mm size specified in the upload data. Review duct connection for procurement comparison.	230	200	1500	850	450	5390	79
K3G097-AT85-P1 \| ebm-papst 110-138VAC 330W EC Centrifugal Fan for air handling and HVAC systems K3G097-AT85-P1 is a 110-138 VDC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is 70 dB noise data recorded for this model. It also lists a 97 mm size specified in the upload data. Review cooling margin for system integration. Check the exact variant before ordering.	110-138	97	1200	830	330	3450	70
K3G190-RD45-01 \| ebm-papst 1~200-240VAC 169W 190mm EC Centrifugal Fan for HVAC systems K3G190-RD45-01 is a 1~200-240 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 190 mm size specified in the upload data. Review airflow path for system integration.	1~ 200-240	190	975	700	169	4120	63
K3G310-AV69-05 \| ebm-papst 400VAC 1420W EC Centrifugal Fan for air handling and HVAC systems K3G310-AV69-05 is a 400 VAC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is a 310 mm size specified in the upload data. It also lists 3330 m³/h maximum airflow stated for this model. Review maintenance access for equipment design. Check the exact variant before ordering.	400	310	3330	800	1420	3040	76
K3G500-PB33-31 \| ebm-papst 3~380-480VAC 2700W 500mm EC Centrifugal Fan for HVAC systems K3G500-PB33-31 is a 3~380-480 VAC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is 10945 m³/h maximum airflow stated for this model. It also lists a 500 mm size specified in the upload data. Review power budget for equipment design.	3~ 380-480	500	10945	1245	2700	2250	-
K3G250-PR17-I3 \| ebm-papst 1~200-277VAC 750W 250mm EC Centrifugal Fan for HVAC systems K3G250-PR17-I3 is a 1~200-277 VAC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is low-noise aerodynamic design documented for the series. It also lists a 250 mm size specified in the upload data. Review acoustic limit for equipment design.	1~ 200-277	250	2400	665	750	3000	-
K3G280-PR04-I3 \| ebm-papst 1~200-277VAC 750W 280mm EC Centrifugal Fan for HVAC systems K3G280-PR04-I3 is a 1~200-277 VAC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is 1000 Pa maximum pressure stated for this model. It also lists a 280 mm size specified in the upload data. Review control method for equipment design.	1~ 200-277	280	4000	1000	750	3000	69
K3G355-RT01-I3/F01 \| ebm-papst 230VAC 750W EC Centrifugal Fan for air handling and HVAC systems K3G355-RT01-I3/F01 is a 230 VAC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is 67 dB noise data recorded for this model. It also lists a 355 mm size specified in the upload data. Review ventilation duty for replacement review. Check the exact variant before ordering.	230	355	5160	700	750	2100	67
K3G400-PA27-34 \| ebm-papst 3~380-480VAC 3650W 400mm EC Centrifugal Fan for HVAC systems K3G400-PA27-34 is a 3`380-480 VDC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is 2800 rpm rated speed in the supplied parameter row. It also lists a 400 mm size specified in the upload data. Review operating point for replacement review.	3`380-480	400	-	-	3650	2800	-
R3G190-RB01-07 \| ebm-papst 1~200-240VAC 44W 190mm EC Centrifugal Fan for HVAC systems R3G190-RB01-07 is a 1~200-240 VAC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is low-noise aerodynamic design documented for the series. It also lists a 190 mm size specified in the upload data. Review replacement fit for final model confirmation.	1~ 200-240	190	-	-	44	2490	-
K3G310-PH38-32 \| ebm-papst 3~380-480VAC 1800W 310mm EC Centrifugal Fan for HVAC systems K3G310-PH38-32 is a 3~380-480 VAC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is 1800 W input power for the listed electrical version. It also lists a 310 mm size specified in the upload data. Review installation clearance for application engineering.	3~ 380-480	310	-	-	1800	3410	-
K3G133-RA01-03 \| ebm-papst 230VAC 27W EC Centrifugal Fan for air handling and HVAC systems K3G133-RA01-03 is a 230 VAC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is 52 dB noise data recorded for this model. It also lists a 133 mm size specified in the upload data. Review motor interface for application engineering. Check the exact variant before ordering.	230	133	280	320	27	3770	52
K3G280-RR04-H9(1PH8912-1BC80-2AA0) \| ebm-papst 230VAC 520W EC Centrifugal Fan for HVAC systems K3G280-RR04-H9(1PH8912-1BC80-2AA0) is a 230 VAC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is 520 W input power for the listed electrical version. It also lists a 280 mm size specified in the upload data. Review ventilation duty for ductwork design.	230	280	1815	540	520	2700	-
K3G250-AI27-05 \| ebm-papst 220-240VAC 165W EC Centrifugal Fan for air handling and HVAC systems K3G250-AI27-05 is a 220-240 VDC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is low-noise aerodynamic design documented for the series. It also lists a 250 mm size specified in the upload data. Review fan selection for ductwork design.	220-240	250	-	-	165	3290	-
R1G175-AB63-02 \| ebm-papst 24VAC 34W EC Centrifugal Fan for air handling and HVAC systems R1G175-AB63-02 is a 24 VDC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is 605 m³/h maximum airflow stated for this model. It also lists a 175 mm size specified in the upload data. Review control method for cabinet planning. Check the exact variant before ordering.	24	175	605	325	34	3100	-
K3G355-RS02-H6 \| ebm-papst 230VAC 500W EC Centrifugal Fan for air handling and HVAC systems K3G355-RS02-H6 is a 230 VAC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is 62 dB noise data recorded for this model. It also lists a 355 mm size specified in the upload data. Review housing geometry for motor selection. Check the exact variant before ordering.	230	355	4715	550	500	1850	62
R3G250-PR17-W9/G01 \| ebm-papst 400VAC 1160W 250mm EC Centrifugal Fan for HVAC systems R3G250-PR17-W9/G01 is a 400 VAC centrifugal fan for electronic equipment, heat pumps, equipment cooling. Its main supplied feature is a 250 mm size specified in the upload data. It also lists 3755 m³/h maximum airflow stated for this model. Review maintenance access for air-system design.	400	250	3755	1250	1160	4000	-
R3G190-RC05-03 \| ebm-papst 230VAC 83W EC Centrifugal Fan for air handling and HVAC systems R3G190-RC05-03 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 190 mm size specified in the upload data. Review electrical supply for air-system design.	230	190	735	450	83	3530	-

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About EC Backward

The EC Backward category represents ebm-papst's comprehensive selection of electronically commutated centrifugal fans with backward-curved impellers. With 357 products ranging from compact 24V units to high-performance 48V models, this is the largest single sub-collection within the ebm-papst catalog.

EC backward curved fans deliver exceptional static pressure and airflow efficiency, making them ideal for applications requiring medium to high pressure — including data center cabinet cooling, inverter drives, industrial machinery ventilation, and telecommunications equipment. The product lineup covers voltage inputs from 24V to 48V and power outputs from 19W up to 325W, with a broad spectrum of impeller diameters to match different system resistance requirements.

Every model in this category benefits from ebm-papst's GreenTech EC technology, which reduces energy consumption by up to 50% compared to conventional AC fans while maintaining precise speed control and extended service life.

How to Select the Right EC Backward

Choosing the right EC Backward 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 386 items in this category ready to compare.

Typical Applications and Use Cases for EC Backward

EC Backward 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 ebmpapst 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 EC Backward

Do you have EC Backward 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 386 products in this category are listed online.

Can you replace my existing EC Backward 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.

EC Backward

EC Backward

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

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Applied Filters

About EC Backward

How to Select the Right EC Backward

Typical Applications and Use Cases for EC Backward

Frequently Asked Questions About Buying EC Backward

Do you have EC Backward in stock and how fast can you deliver?

Can you replace my existing EC Backward from another supplier or a discontinued model?

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