| Mfr Part # | Rated Voltage(V) | Size(mm) | Max.Air Flow(m³/h) | Max.Pressure(Pa) | Input Power(W) | Speed(rpm) | Noise(db) | |
|---|---|---|---|---|---|---|---|---|
![]() R4D450-AK01-01/F01 | ebm-papst 480V 1200W Centrifugal Fan for Automation Suited to Automation, the ebm-papst R4D450-AK01-01/F01 is a 480 V AC backward-curved centrifugal fan, distinguished by a listed airflow of 7,080 m³/h. The rating clarifies its operating profile. |
480 | 450 | 7080 | 650 | 1200 | 1580 | 67 | |
![]() R4D450-AK01-01 | ebm-papst 400V 970W Centrifugal Fan for Automation Intended for Automation, the ebm-papst R4D450-AK01-01 is a 400 V AC backward-curved centrifugal fan, characterized by a listed airflow of 6,845 m³/h. The data helps compare K-series variants. |
400 | 450 | 6845 | 594 | 970 | 1530 | 69 | |
![]() R4D450-AD12-06 | ebm-papst 400V 650W Centrifugal Fan for Automation Applied in Automation, the ebm-papst R4D450-AD12-06 is a 400 V AC backward-curved centrifugal fan, whose supplied data highlights a listed airflow of 4,655 m³/h. The rating aids system-fit checks. |
400 | 450 | 4655 | 500 | 650 | 1380 | - | |
![]() R4D450-AA04-05 | ebm-papst 230V 650W Centrifugal Fan for Automation Specified for Automation, the ebm-papst R4D450-AA04-05 is a 230 V AC backward-curved centrifugal fan, with a focus on a documented speed of 1,375 rpm. This assists electrical and mechanical review. |
230 | 450 | - | - | 650 | 1375 | - | |
![]() R4D400-AL17-05 | ebm-papst 400V 450W Centrifugal Fan for Automation Intended for Automation, the ebm-papst R4D400-AL17-05 is a 400 V AC backward-curved centrifugal fan, with a focus on a listed airflow of 4,075 m³/h. It gives engineers a clear comparison point. |
400 | 400 | 4075 | 400 | 450 | 1405 | - | |
![]() R4D355-AH11-09 | ebm-papst 400V 170W Centrifugal Fan for Cleanroom Developed for Cleanroom, the ebm-papst R4D355-AH11-09 is a 400 V AC backward-curved centrifugal fan, whose supplied data highlights a documented speed of 1,400 rpm. The rating clarifies its operating profile. |
400 | 355 | 2585 | 300 | 170 | 1400 | - | |
![]() R4D355-AH11-05 | ebm-papst 400V 170W Centrifugal Fan for Automation Applied in Automation, the ebm-papst R4D355-AH11-05 is a 400 V AC backward-curved centrifugal fan, distinguished by a documented speed of 1,400 rpm. The rating clarifies its operating profile. |
400 | 355 | - | - | 170 | 1400 | - | |
![]() K2S165-AA77-15 | ebm-papst 115V 42W AC Centrifugal Fan for Cabinet Cooling Selected for Cabinet Cooling, the ebm-papst K2S165-AA77-15 is a 115 V AC backward-curved centrifugal fan, with a focus on a documented 42 W input rating. It gives engineers a clear comparison point. |
115 | 165 | - | - | 42 | 2700 | - | |
![]() K2S165-AA17-05 | ebm-papst 230V 40W AC Centrifugal Fan for Cabinet Cooling Selected for Cabinet Cooling, the ebm-papst K2S165-AA17-05 is a 230 V AC backward-curved centrifugal fan, characterized by a documented 40 W input rating. This helps guide installation planning. |
230 | 165 | - | - | 40 | 2700 | - | |
![]() K2E250-AH34-06 | ebm-papst 230V 95W AC Centrifugal Fan for Cabinet Cooling Engineered around Cabinet Cooling, the ebm-papst K2E250-AH34-06 is a 230 V AC backward-curved centrifugal fan, whose supplied data highlights a documented 95 W input rating. The rating aids system-fit checks. |
230 | 250 | - | - | 95 | 2550 | - | |
![]() K2E250-AA01-09 | ebm-papst 230V 195W AC Centrifugal Fan for Inverter Cooling Specified for Inverter Cooling, the ebm-papst K2E250-AA01-09 is a 230 V AC backward-curved centrifugal fan, distinguished by a documented 195 W input rating. The rating clarifies its operating profile. |
230 | 250 | - | 1180 | 195 | 2450 | - | |
![]() K2E225-RB92-09 | ebm-papst 230V 145W AC Centrifugal Fan for Inverter Cooling Developed for Inverter Cooling, the ebm-papst K2E225-RB92-09 is a 230 V AC backward-curved centrifugal fan, characterized by a documented 145 W input rating. The data helps compare K-series variants. |
230 | 225 | - | 890 | 145 | 2550 | - | |
![]() K2E225-AA26-09 | ebm-papst 230V 140W AC Centrifugal Fan for Inverter Cooling Intended for Inverter Cooling, the ebm-papst K2E225-AA26-09 is a 230 V AC backward-curved centrifugal fan, offering a documented 140 W input rating. This enables specification-led selection. |
230 | 225 | 1010 | - | 140 | 2650 | - | |
![]() K2E220-AB06-09 | ebm-papst 230V 100W AC Centrifugal Fan for Inverter Cooling Selected for Inverter Cooling, the ebm-papst K2E220-AB06-09 is a 230 V AC backward-curved centrifugal fan, noted for a documented 100 W input rating. The data supports model-level evaluation. |
230 | 220 | 650 | 400 | 100 | 2550 | - | |
![]() K2E200-AH20-05 | ebm-papst 230V 70W AC Centrifugal Fan for Cabinet Cooling Built for Cabinet Cooling, the ebm-papst K2E200-AH20-05 is a 230 V AC backward-curved centrifugal fan, noted for a documented 70 W input rating. It supports replacement and design review. |
230 | 200 | 600 | - | 70 | 2700 | 61 | |
![]() K2E200-AH08-15 | ebm-papst 115V AC Centrifugal Fan for Cabinet Cooling Intended for Cabinet Cooling, the ebm-papst K2E200-AH08-15 is a 115 V AC backward-curved centrifugal fan, with 250 mm dimensions for installation planning. The rating clarifies its operating profile. |
115 | 250 | - | - | - | - | - | |
![]() K2E190-AB77-09 | ebm-papst 230V 75W AC Centrifugal Fan for Inverter Cooling Built for Inverter Cooling, the ebm-papst K2E190-AB77-09 is a 230 V AC backward-curved centrifugal fan, offering a documented 75 W input rating. It gives engineers a clear comparison point. |
230 | 190 | 380 | - | 75 | 2500 | - | |
![]() K2D250-AH06-06 | ebm-papst 400V AC Centrifugal Fan for Spindle Motor Cooling Built for Spindle Motor Cooling, the ebm-papst K2D250-AH06-06 is a 400 V AC backward-curved centrifugal fan, characterized by 250 mm dimensions for installation planning. The data helps compare K-series variants. |
400 | 250 | - | - | - | - | - | |
![]() K2D250-AB32-06 | ebm-papst 400V 135W AC Centrifugal Fan for Spindle Motor Cooling Developed for Spindle Motor Cooling, the ebm-papst K2D250-AB32-06 is a 400 V AC backward-curved centrifugal fan, with a focus on a documented 135 W input rating. This assists electrical and mechanical review. |
400 | 250 | - | - | 135 | 2500 | - | |
![]() K2D250-AB32-05 | ebm-papst 400V 135W AC Centrifugal Fan for Spindle Motor Cooling Intended for Spindle Motor Cooling, the ebm-papst K2D250-AB32-05 is a 400 V AC backward-curved centrifugal fan, distinguished by a documented 135 W input rating. The rating clarifies its operating profile. |
400 | 250 | - | - | 135 | 2500 | - |
Before comparing models of AC Backward, 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 80 products in this category are ready for comparison.
Across our project record, AC Backward 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.
Every unit is covered by the manufacturer's warranty against defects in materials and workmanship, and we support you through the whole claim process so you deal with one supplier instead of chasing a factory overseas. If a failure appears in service, send us the serial number, operating conditions and photos, and we will arrange the replacement or credit path agreed in the quotation.
Datasheets, performance curves, dimension drawings and certification files (UL, CE, RoHS where applicable) are available on request before you buy — we believe a purchase order should follow a verified selection, not replace it. For project tenders we can also provide product comparison tables that put the candidate models side by side on the parameters you care about.
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 80 products in this category are listed online.
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.