Rosenberg EC Axial & Centrifugal Fans - Supplier

Rosenberg

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Rosenberg Ventilatoren GmbH is a German industrial ventilation specialist headquartered in Einbeck, Germany. Founded in 1981, Rosenberg has grown to become a major supplier of fans and ventilation components for HVAC, data centers, industrial processes, and infrastructure projects worldwide. The Rosenberg product family includes the ECOFIT line of EC (Electronically Commutated) fans for high-efficiency HVAC applications, the ETRI series of compact centrifugal blowers, and a comprehensive range of AC and DC axial fans. Rosenberg fans are widely used in data center cooling systems, where their PSC (Permanent Split Capacitor) motors and EC drive options deliver exceptional energy density and quiet operation. Hengrui is an authorized Rosenberg distributor in China, supplying the complete Rosenberg portfolio including the ECOFIT EC range, ETRI blower series, and custom ventilation systems with competitive factory-direct pricing, original spare parts inventory, and professional technical consultation.

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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)

DKHR400-4SW.123.5FA \| Rosenberg 400VAC 540W AC Axial Fan for air handling and HVAC systems DKHR400-4SW.123.5FA is a 400 VAC axial fan for data-communications equipment, heat pumps, ventilation systems. Its main supplied feature is 540 W input power for the listed electrical version. It also lists a 400 mm size specified in the upload data. Review equipment interface for final model confirmation.	400	400	-	470	540	1340	-
DKHR500-4SW.155.6LA \| Rosenberg 400VAC 1750W AC Axial Fan for air handling and HVAC systems DKHR500-4SW.155.6LA is a 400 VAC axial fan for data-communications equipment, heat pumps, ventilation systems. Its main supplied feature is 1750 W input power for the listed electrical version. It also lists a 500 mm size specified in the upload data. Review pressure requirement for application engineering.	400	500	9570	700	1750	1450	-
DRAD315-4S \| Rosenberg 690VAC 4750W 315mm AC Axial Fan for air handling and HVAC systems DRAD315-4S is a 690 VAC axial fan for data-communications equipment, heat pumps, ventilation systems. Its main supplied feature is 1355 rpm rated speed in the supplied parameter row. It also lists a 315 mm size specified in the upload data. Review installation clearance for ductwork design.	690	315	-	-	4750	1355	-
DKHR500-4SW.155.6HF \| Rosenberg 400VAC 1750W AC Axial Fan for air handling and HVAC systems DKHR500-4SW.155.6HF is a 400 VAC axial fan for data-communications equipment, heat pumps, ventilation systems. Its main supplied feature is 1750 W input power for the listed electrical version. It also lists a 500 mm size specified in the upload data. Review installation clearance for cabinet planning.	400	500	-	750	1750	1380	-
DRAD249-4L \| Rosenberg 400VAC 1080W AC Axial Fan for air handling and HVAC systems DRAD249-4L is a 400 VAC axial fan for data-communications equipment, heat pumps, ventilation systems. Its main supplied feature is 4300 m³/h maximum airflow stated for this model. It also lists 1080 W input power for the listed electrical version. Review ventilation duty for motor selection.	400	-	4300	-	1080	1140	-
ERAD280-4S \| Rosenberg 400VAC 1800W 280mm AC Axial Fan for air handling and HVAC systems ERAD280-4S is a 400 VAC axial fan for data-communications equipment, heat pumps, ventilation systems. Its main supplied feature is 1800 W input power for the listed electrical version. It also lists a 280 mm size specified in the upload data. Review replacement fit for motor selection.	400	280	-	-	1800	1350	-
DRAD279-4S \| Rosenberg 400VAC 1800W 280mm AC Axial Fan for air handling and HVAC systems DRAD279-4S is a 400 VAC axial fan for data-communications equipment, heat pumps, ventilation systems. Its main supplied feature is 5900 m³/h maximum airflow stated for this model. It also lists a 280 mm size specified in the upload data. Review housing geometry for air-system design. Check the exact variant before ordering.	400	280	5900	590	1800	1180	-
DKHR630-6SW.195.6LA \| Rosenberg 400VAC 1400W AC Axial Fan for air handling and HVAC systems DKHR630-6SW.195.6LA is a 400 VAC axial fan for data-communications equipment, heat pumps, ventilation systems. Its main supplied feature is a 630 mm size specified in the upload data. It also lists 1400 W input power for the listed electrical version. Review power budget for air-system design.	400	630	-	-	1400	-	-
DKHR560-4SW.155.6LA \| Rosenberg 400VAC 2130W AC Axial Fan for air handling and HVAC systems DKHR560-4SW.155.6LA is a 400 VAC axial fan for data-communications equipment, heat pumps, ventilation systems. Its main supplied feature is axial airflow intended for low-to-moderate system resistance. It also lists a 560 mm size specified in the upload data. Review installation clearance for air-system design.	400	560	-	-	2130	1368	-
DKHR710-6SW.219.7NA \| Rosenberg 400VAC 2500W AC Axial Fan for air handling and HVAC systems DKHR710-6SW.219.7NA is a 400 VAC axial fan for data-communications equipment, heat pumps, ventilation systems. Its main supplied feature is 600 Pa maximum pressure stated for this model. It also lists a 710 mm size specified in the upload data. Review wiring plan for air-system design.	400	710	17000	600	2500	890	-
DKHR630-4SW.158.7NA \| Rosenberg 400VAC 4600W AC Axial Fan for air handling and HVAC systems DKHR630-4SW.158.7NA is a 400 VAC axial fan for data-communications equipment, heat pumps, ventilation systems. Its main supplied feature is a 630 mm size specified in the upload data. It also lists 4600 W input power for the listed electrical version. Review system resistance for noise assessment.	400	630	-	-	4600	1370	-
DRAD224-4B \| Rosenberg 230VAC 870W AC Axial Fan for air handling and HVAC systems DRAD224-4B is a 230 VAC axial fan for data-communications equipment, heat pumps, ventilation systems. Its main supplied feature is 3500 m³/h maximum airflow stated for this model. It also lists 390 Pa maximum pressure stated for this model. Review airflow path for noise assessment. Check the exact variant before ordering.	230	-	3500	390	870	1210	-
DKHR560-6SW.174.6FA \| Rosenberg 400VAC 950W AC Axial Fan for air handling and HVAC systems DKHR560-6SW.174.6FA is a 400 VAC axial fan for data-communications equipment, heat pumps, ventilation systems. Its main supplied feature is 950 W input power for the listed electrical version. It also lists a 560 mm size specified in the upload data. Review housing geometry for energy review.	400	560	-	390	950	870	-
DKHR400-4KW.123.5FA \| Rosenberg 400VAC 540W AC Axial Fan for air handling and HVAC systems DKHR400-4KW.123.5FA is a 400 VAC axial fan for data-communications equipment, heat pumps, ventilation systems. Its main supplied feature is a 400 mm size specified in the upload data. It also lists 540 W input power for the listed electrical version. Review power budget for energy review.	400	400	-	-	540	1340	-
DKHR560-4KW.132.6LA \| Rosenberg 400VAC 2300W AC Axial Fan for air handling and HVAC systems DKHR560-4KW.132.6LA is a 400 VAC axial fan for data-communications equipment, heat pumps, ventilation systems. Its main supplied feature is axial airflow intended for low-to-moderate system resistance. It also lists a 560 mm size specified in the upload data. Review system resistance for energy review.	400	560	-	740	2300	1350	82
DKHR450-4SW.110.6FA N63-450104 \| Rosenberg 400VAC 1150W 450mm AC Axial Fan for HVAC systems DKHR450-4SW.110.6FA N63-450104 is a 400 VAC axial fan for data-communications equipment, heat pumps, ventilation systems. Its main supplied feature is a 450 mm size specified in the upload data. It also lists 1150 W input power for the listed electrical version. Review ventilation duty for compatibility checking.	400	450	-	-	1150	1430	-
DKHR280-2SW.087.5FA \| Rosenberg 400VAC 680W AC Axial Fan for air handling and HVAC systems DKHR280-2SW.087.5FA is a 400 VAC axial fan for data-communications equipment, heat pumps, ventilation systems. Its main supplied feature is a 280 mm size specified in the upload data. It also lists 680 W input power for the listed electrical version. Review procurement specification for project specification.	400	280	-	-	680	2580	-
DKHR450-4KW.138.5HA \| Rosenberg 400VAC 910W AC Axial Fan for air handling and HVAC systems DKHR450-4KW.138.5HA is a 400 VAC axial fan for data-communications equipment, heat pumps, ventilation systems. Its main supplied feature is axial airflow intended for low-to-moderate system resistance. It also lists a 450 mm size specified in the upload data. Review mounting envelope for retrofit assessment.	400	450	-	590	910	1300	-
DKHR450-4SW.138.5HA \| Rosenberg 400VAC 850W AC Axial Fan for air handling and HVAC systems DKHR450-4SW.138.5HA is a 400 VAC axial fan for data-communications equipment, heat pumps, ventilation systems. Its main supplied feature is 1240 rpm rated speed in the supplied parameter row. It also lists a 450 mm size specified in the upload data. Review housing geometry for maintenance planning.	400	450	6429	500	850	1240	-

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About Rosenberg

As a professional industrial fan and blower supplier, we have supplied Rosenberg products to customers for over 20 years, covering the full journey from model selection and quotation to delivery and after-sales support.

The products are widely used in HVAC and ventilation, refrigeration and cold chain equipment, data center cooling and many other fields. Share your required airflow, static pressure and installation dimensions, and we will match them against the available series and confirm stock or lead time in one reply.

Replacement supply is one of our core strengths. For discontinued or long-lead-time Rosenberg models, we check frame size, speed, power and curves one by one and deliver a drop-in alternative proposal, which has helped factories, equipment builders and facility operators avoid costly downtime.

Working with us means one contact for the whole lifecycle of your Rosenberg equipment: technical selection support before you buy, datasheets and dimension drawings for engineering review, flexible quantities from a single sample to bulk orders, and responsive after-sales assistance if anything needs attention in service.

How to Select the Right Rosenberg

Choosing the right rosenberg 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 19 items in this category ready to compare.

Typical Applications and Use Cases for Rosenberg

Rosenberg 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 Rosenberg 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 Rosenberg

Do you have rosenberg 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 19 products in this category are listed online.

Can you replace my existing rosenberg 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.

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About Rosenberg

How to Select the Right Rosenberg

Typical Applications and Use Cases for Rosenberg

Frequently Asked Questions About Buying Rosenberg

Do you have rosenberg in stock and how fast can you deliver?

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

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