Fig. 01EC Motor200–630mm230 · 380VACCE Marked
Industrial 200–630mm models for 230V and 380VAC systems, with 0–10V, PWM or RS-485 control
Proventofan's EC axial fan range covers 200mm to 630mm frame sizes across 8 sizes and 24 catalog model variants, from 1,205 to 14,500 m³/h. Every model is electronically commutated and speed-controllable, so you're not locked into a fixed-speed motor. Compare the full model table below, then request performance curves and dimensional drawings for the sizes that fit. Once your voltage and control interface are confirmed, send your operating point for an OEM quote.
The table below lists 11 electrical models across the 8 frame sizes. Each size is also available in additional frame variants sharing the same electrical specification. Dimensional drawings for each variant are available on request.
Max airflow by frame size
Model F3E200AN230-70, also available as F3E200AS230-70 and F3E200AG230-70 (same specification). This is the smallest size in the Large range, and the entry point before the standard configuration picks up RS-485 support at 10-inch and above. Full electrical specifications are in the model table below.
Request Curve & Drawing
RS-485 is included alongside 0–10V and PWM as the standard control set from this size up. Model F3E250AN230-90 covers it; F3E250AS230-90 and F3E250AG230-90 are the same specification in different frame configurations.
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The impeller changes from cold-roll steel to plastic starting at this size. F3E300AN230-90 and F3E300AG230-90 cover the two frame options here, same specification.
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Two motor options at this size: F3E350AN230-90 (BLEC92 motor, also available as F3E350AG230-90) is the lower-power, lower-noise option; F3E350AN230-20 (BLEC102 motor, also available as F3E350AG230-20) trades noise for higher airflow and pressure. Tell us your duty point and we'll confirm which one fits.
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Two frame options at this size, F3E400AN230-20 and F3E400AG230-20, same specification.
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F3E450AN230-20 and F3E450AG230-20 cover the two frame options here, same specification.
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The widest choice in the range: three motor and voltage combinations on the same 500mm frame. F3E500AN230-20 (BLEC102, 230VAC) is the lowest-output option; F3E500AN230-30 (BLEC137, 230VAC) steps up airflow and pressure; F3E500AN230-31 (BLEC137, 380VAC) is the highest-output option on this frame. Each is also available as the corresponding AG variant (F3E500AG230-20, -30, -31), same specification. 500mm is also the first size where IP54 is the standard protection rating rather than an option, and the only size with a dual B/F insulation class depending on the model. See Verified Product and Quality Documents below for the full breakdown.
Request Curve & Drawing
This is the largest size in the range, standard IP54, and Insulation Class F (500mm is dual B/F; smaller sizes are Class B). Model F3E630AN230-31 and its F3E630AG230-31 frame variant share this specification.
Request Curve & Drawing| Model | Size | Motor | Voltage | Current | Speed | Power | Max Airflow | Max Static Pressure | Noise | Control |
|---|---|---|---|---|---|---|---|---|---|---|
| F3E200AN230-70 | 8-inch (200mm) | BLEC72 | 230VAC (184–270V) | 0.31A | 3,000 RPM | 45W | 1,205 m³/h | 250 Pa | 62 dB(A) | 0–10V, PWM |
| F3E250AN230-90 | 10-inch (250mm) | BLEC92 | 230VAC (184–270V) | 0.6A | 2,650 RPM | 80W | 1,740 m³/h | 226 Pa | 61 dB(A) | 0–10V, PWM, RS-485 |
| F3E300AN230-90 | 300mm | BLEC92 | 230VAC (184–270V) | 1.35A | 2,300 RPM | 170W | 3,160 m³/h | 210 Pa | 64 dB(A) | 0–10V, PWM, RS-485 |
| F3E350AN230-90 | 350mm | BLEC92 | 230VAC (184–270V) | 1.15A | 1,580 RPM | 160W | 3,500 m³/h | 135 Pa | 63 dB(A) | 0–10V, PWM, RS-485 |
| F3E350AN230-20 | 350mm | BLEC102 | 230VAC (184–270V) | 2.0A | 2,000 RPM | 400W | 4,650 m³/h | 275 Pa | 80 dB(A) | 0–10V, PWM, RS-485 |
| F3E400AN230-20 | 400mm | BLEC102 | 230VAC (184–270V) | 2.18A | 1,760 RPM | 500W | 5,900 m³/h | 240 Pa | 79 dB(A) | 0–10V, PWM, RS-485 |
| F3E450AN230-20 | 18-inch (450mm) | BLEC102 | 230VAC (184–270V) | 1.9A | 1,600 RPM | 420W | 6,150 m³/h | 250 Pa | 68 dB(A) | 0–10V, PWM, RS-485 |
| F3E500AN230-20 | 500mm | BLEC102 | 230VAC (184–270V) | 2.0A | 1,250 RPM | 450W | 6,781 m³/h | 285 Pa | 71 dB(A) | 0–10V, PWM, RS-485 |
| F3E500AN230-30 | 500mm | BLEC137 | 230VAC (184–270V) | 3.1A | 1,550 RPM | 700W | 8,750 m³/h | 250 Pa | 74 dB(A) | 0–10V, PWM, RS-485 |
| F3E500AN230-31 | 500mm | BLEC137 | 380VAC (304–456V) | 1.5A | 1,680 RPM | 850W | 10,400 m³/h | 300 Pa | 78.4 dB(A) | 0–10V, PWM, RS-485 |
| F3E630AN230-31 | 630mm | BLEC137 | 380VAC (304–456V) | 1.3A | 1,150 RPM | 800W | 14,500 m³/h | 240 Pa | 69 dB(A) | 0–10V, PWM, RS-485 |
Max pressure is the figure at or near zero airflow, not a usable operating point on its own. Your real operating point is where the fan's curve crosses your system's resistance curve, so size against your actual duty point and request the curve rather than reading the max-pressure column as a target. Open any frame size below to see its curve and drawings.
Curves and drawings by frame size
230VAC is the standard voltage across the 200–500mm sizes. At 500mm, a 380VAC option (F3E500AN230-31) is also available on the same frame for buyers who need the higher airflow and pressure it delivers. 630mm ships standard on 380VAC.
If your project needs a voltage outside this set, confirm it with our engineering team; it's not something we quote from a standard price list.
0–10V and PWM control are standard across the full range. RS-485 is included as standard from 10-inch (250mm) up. The 8-inch (200mm) size's standard configuration ships with 0–10V and PWM only.
If your project needs RS-485 on the 8-inch size specifically, or any control combination outside what's listed here, tell us at the RFQ stage and our engineering team will confirm what's possible.
Not sure your BMS or controller signal matches what a given model supports? Check Control Signal Compatibility
Four motor platforms cover this range: BLEC72 (8-inch), BLEC92 (10-inch, 300mm, 350mm), BLEC102 (350mm, 400mm, 450mm, 500mm) and BLEC137 (500mm, 630mm). Reference wiring diagrams are below by motor, voltage and control protocol. Confirm pin-by-pin against your specific model's datasheet before finalizing your design.
A Modbus RS-485 wiring diagram for BLEC92 isn't available yet. This is a documentation gap, not a statement that Modbus can't be arranged for those sizes; ask our team if you need it.
An EC axial fan uses an electronically commutated motor: the fan's own electronics handle commutation instead of a mechanical brush assembly, and the motor accepts a speed-control signal directly through 0–10V, PWM or RS-485. For the full explanation of how EC motors work, see EC Fan Solutions
EC fans integrate electronic commutation and speed control into the motor itself, so they accept a supported control signal (0–10V, PWM or RS-485) directly. Speed control on a standard AC axial fan depends on motor type and often needs external control hardware to vary speed. If your project needs the fan to track a variable load rather than run at one fixed point, that's the practical difference to weigh.
EC axial fans in this range are a common fit for chiller condenser cooling: commercial refrigeration and chiller units where the fan needs to track condensing pressure rather than run at one fixed speed. 0–10V, PWM or RS-485 control lets the fan follow the system's load instead of cycling on and off at full speed, and the 200–630mm range covers small packaged units up through large commercial installations. Before specifying a model for a chiller or condenser application, confirm your required airflow and static pressure at the coil's actual resistance, not the free-air figure, and check that your controller's signal type matches what the model supports.
EC axial fans in this range may also be considered for selected air handling unit, fan coil unit, fan filter unit and cooling tower configurations, where the required airflow, static pressure and installation geometry fall within the axial fan's operating range. For a full breakdown of EC fan selection in these applications, see our dedicated guides: AHU Fan Guide and EC Fans for Cooling Towers
The free-air m³/h figure on a datasheet is measured with nothing in front of the fan. Once it's installed against real system resistance, coil face area, ducting or a filter, actual airflow drops below that number.
Case Reference
On one project, a customer's early candidates were rejected because their curves weakened above 0.4 in.w.g. of static pressure; the review moved to a 350mm EC axial candidate once the actual duty point was factored in.
Before sampling, confirm your required airflow at your actual system resistance, not the free-air number, and request the performance curve for your candidate model rather than reading a single spec-sheet figure as the answer.
If your application uses more than one fan working together, tell us at the selection stage whether you need one controller commanding the full array. A multi-fan array can run from a common control command when the controller's output and the fans' input specifications are electrically compatible; this is worth confirming with our engineering team rather than assuming.
Case Reference
On one project, replacing four larger competitor units with nine 350mm EC axial fans, the customer asked for a shroud or mounting ring and whether one controller could command all nine fans. We supplied the shroud, and confirmed that one controller could command all nine fans over a 0–10V control signal.
Each size in this range is available in N, S (8-inch and 10-inch only) or G frame configurations, and some sizes offer more than one motor option under different suffixes (for example, 350mm's -90 and -20 variants). These get shortened or dropped on purchase orders more often than you'd expect.
Specify the full model number, including frame letter and motor suffix, on your RFQ and PO, not just the base size, especially if more than one configuration could technically fit your application.
If your shipment has a hard delivery date, tell us at the RFQ stage so commercial invoices, packing lists and any destination-specific compliance paperwork can be prepared alongside production instead of after it, and confirm any carrier-specific requirements for your shipment before booking freight.
Don't assume a requirement outside the 200–630mm range or the standard control set is out of scope.
Case Reference
On one project, a transformer manufacturer's cooling system needed a large-frame fan integrated with a PLC, RTD/PT100 feedback, 4-20mA signaling and Modbus, a requirement outside our standard catalog. The next step wasn't a purchase order; it was an engineering meeting, working through the control logic point by point before moving further.
If your requirement falls outside what's shown on this page, raise it at the RFQ stage rather than assuming it can't be discussed. Whether a control system genuinely integrates gets confirmed engineer to engineer, not asserted on a spec sheet.
To get an accurate quote on the first pass, include: frame size and model suffix, rated voltage, required airflow, required static pressure, ambient temperature, control interface, mounting orientation, frame configuration (N, S or G), quantity, destination market, and any documents you'll need with the order.
Dimensional drawings and performance curves are available on request for every model in the range. See the size sections and model table above for model-specific detail, or request the full set directly through the RFQ form.
All models in this range carry CE marking.
Our quality management system is certified to ISO 9001 at the company level, not as a per-model product certification. Certificate numbers and the certified entity are available on request rather than published here.
8-inch through 18-inch (450mm) sizes are Insulation Class B; 500mm is a dual B/F class depending on model; 630mm is Insulation Class F. Operating range is -25°C to +60°C across the range. Standard protection rating is IP44 on 8-inch through 18-inch (450mm); 500mm and 630mm ship standard at IP54. IP54 is available as a custom option on the smaller sizes on request; this is not the standard configuration for those sizes.
If your application needs a frame size, control setup or level of customization outside the 200–630mm range shown here, our engineering team takes on custom-built projects. In one recent OEM project evaluation, a 910mm EC axial fan solution was developed around full PLC, Modbus RTU, 4-20mA and PT100 integration for a transformer manufacturer's application, because the requirement fell outside our standard catalog range; that solution isn't a stocked part and isn't part of the model table above, but it shows the kind of custom engineering scope we take on. Talk to our engineering team about your requirement even if it doesn't match a size on this page.
Process documentation and production images are available for key stages including motor winding, dynamic balancing, temperature rise test, aging test, performance testing and outgoing inspection, as part of your OEM qualification.
For systems running on fixed-speed AC power rather than an EC control signal. Already running AC axial fans and considering a switch? Check EC Replacement Options
View AC Axial Fans
For projects specified around a DC bus supply instead of AC or EC.
View DC Axial Fan
For electronics and compact equipment cooling on a DC bus.
View DC Brushless Fan
For applications that need a 90° turn in airflow direction or work against a narrow duct, rather than the straight-through airflow an axial fan provides.
View EC Centrifugal Fan
For a full comparison across EC, DC, AC and AC External Rotor axial fan options side by side.
View Axial Fan Product LinesSend us your size, voltage, required airflow, required static pressure, control interface, quantity and destination market, and we'll come back with a quote. We respond within 1 business day.
An EC axial fan uses an electronically commutated motor with built-in speed control, so it can run at a speed you set through 0–10V, PWM or RS-485 instead of a fixed AC line-frequency speed. See What Is an EC Axial Fan? above for the full explanation.
Eight frame sizes from 8-inch (200mm) to 630mm, across 24 catalog model variants including frame configurations. See Large EC Axial Fans above for specifications on each.
230VAC is standard on 8-inch through 500mm. 500mm also offers a 380VAC option on the same frame, and 630mm ships standard on 380VAC. Confirm your supply voltage against the model table before ordering.
0–10V and PWM are standard across the range. RS-485 is included as standard from 10-inch (250mm) up; the 8-inch size ships standard with 0–10V and PWM only. Ask our team if your project needs a different combination.
Yes. See Chiller and Condenser Cooling above for what to confirm before specifying a model.
In many configurations, yes, where the required airflow, static pressure and installation geometry fit an axial fan. See our dedicated AHU Fan Guide and EC Fans for Cooling Towers guides for application-specific detail.
IP44 is standard on 8-inch through 18-inch (450mm). 500mm and 630mm ship standard at IP54. IP54 is available as a custom option on the smaller sizes on request.
Yes, for every model and frame variant in the range. See the model table above or contact us directly.
CE marking applies across the range, and our facility holds ISO 9001 certification at the company level. Specific certificate numbers and the certified entity are available on request.
Standard catalog orders have a MOQ of 10 units; OEM custom-specification and private-label orders have a MOQ of 50 units. There is no minimum for samples. Samples ship in 3–7 days standard or 5–10 days for a custom specification; production takes 15–20 days standard or 18–25 days for a custom specification.
Use the EC Axial Fan Selector to match your airflow, static pressure and voltage against real catalog models, or check control signal compatibility if you're unsure your controller matches a given model.
In many cases, yes. Use the EC Fan Replacement Selector to check compatibility, or contact our team with your current fan's specification.