This plug fan is published with the manufacturer’s full specification — voltage 380VAC, 8500 m3 /H. Made by Pbm Motor And Fan (suzhou) Co., Ltd. (8 years on the platform, typical reply ≤10h). Send your target quantity and destination for a firm quotation with current lead times.
Key Features of This Plug Fan
- Model Number: PK3N450B4EQM
- Input Power: 1250 W
- Voltage: 380VAC
- Operating Voltage: 304~456 VAC
- Air Flow: 8500 m3 /H
- Blade Material: Stainless Steel
Technical Specifications
| Mounting | Free Standing |
|---|---|
| Voltage | 380VAC |
| Blade Material | Stainless Steel |
| Warranty | 5 year |
| After-Sales Service Provided | Online support |
| Customized Support | OEM, ODM, OBM |
| Place Of Origin | Jiangsu, China |
| Brand Name | PBM |
| Model Number | PK3N450B4EQM |
| Product Name | EC-AC Centrifugal Fan with Bracket |
| Motor | 188 Motor |
| Frequency | 50/60 Hz |
| Operating Voltage | 304~456 VAC |
| Rated Speed | 1700 RPM |
| Input Current | 2.15 A |
| Input Power | 1250 W |
| Air Flow | 8500 m3 /H |
| Static Pressure | 800 Pa |
| Acoustical Noise | 81 dB(A) |
| Selling Units | Single item |
| Single Package Size | 34X34X22 cm |
| Single Gross Weight | 3.300 kg |
Product Details


Motor:BE138EC
Rated Voltage | 380VAC |
Frequency | 50/60 Hz |
Operating Voltage | 304~456 VAC |
Rated Speed | 1700 RPM |
Input Current | 2.15 A |
Input Power | 1250 W |
Air Flow | 8500 m3/H |
Static Pressure | 800 Pa |
Sound Level | 81 dB(A) |
Life Expectance | 50,000 Hours(L10) At 40℃ room, humidity 15%~65%RH |
Direction of Rotation | Clockxise seen on rotor |
Direction of Air Flow | All around |
Insulation Class | Class B |
Locked rotor protection Polarity protection Automatic restart capability | |
Speed Control | Control input 0~10VDC / PWM |
Protection Type | IP44 |
+10VDC (Can be used as speed control input voltage or FG signal pull-up voltage,and need to be circumscribed in series with a pull –up resister, details as connection diagram.) | |
Signal Output | FG (Frequency Generator) |


AC: Brown=Live Line, Blue=Null Line, Green & Yellow=Protecting Earthing;
DC: Red=Voltage Output +10VDC, Yellow=0-10VDC/PWM, White=FG, Blue=GND;










Ordering and Pricing
- Minimum order quantity: 100 piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this plug fan?
The standard minimum order quantity is 100 piece. Trial orders can usually be arranged for buyers evaluating the product before a full production run.
What warranty is provided?
The manufacturer provides a 5 year warranty. Spare parts and technical support remain available after the warranty period.
Can the plug fan be supplied for my local voltage?
The standard configuration is 380VAC. Alternative voltage and frequency builds are available when specified at the time of order.
Do you accept OEM or custom branding?
Yes. Custom logo, colour, packaging and specification changes are accepted on qualifying order volumes. Send your artwork and technical requirements with your enquiry.
How long does production and delivery take?
In-stock configurations typically ship within 7–15 days. Customised or large-volume orders are usually produced in 25–35 days, confirmed on order.
About the Manufacturer
This product is produced by Pbm Motor And Fan (suzhou) Co., Ltd., based in China. The company 8 years as a verified Alibaba.com supplier, operates its own manufacturing. Browse the full Pbm Motor And Fan (suzhou) Co., Ltd. range on HVACR Nexus.
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