Key specification for this curve centrifugal duct fan: 120V/60Hz, blade material Plastic. Everything below is reproduced from the factory data sheet. Made by Suzhou Blauberg Motoren Technology Co., Ltd. (7 years on the platform, typical reply ≤1h). Send your target quantity and destination for a firm quotation with current lead times.
Key Features of This Curve Centrifugal Duct Fan
- Model Number: BY-B450D-EC-05
- Voltage: 120V/60Hz
- Blade Material: Plastic
- Warranty: 2 Years
- Certification: ce/CCC/RoHS
- Place Of Origin: Jiangsu, China
Technical Specifications
| Mounting | Duct Fan |
|---|---|
| Voltage | 120V/60Hz |
| Blade Material | Plastic |
| Warranty | 2 Years |
| After-Sales Service Provided | Online support |
| Customized Support | OEM |
| Place Of Origin | Jiangsu, China |
| Brand Name | Blauberg |
| Model Number | BY-B450D-EC-05 |
| Product Name | Blauberg fan |
| Application | General Machinery |
| Color | Picture |
| Usage | Electric Tool |
| Housing | metal |
| Protection Class | IP55 |
| Size | 455*455*240mm |
| Certification | ce/CCC/RoHS |
| Type | Centrifugal Fan |
| Selling Units | Single item |
| Single Package Size | 60X60X25 cm |
| Single Gross Weight | 8.0 kg |
Product Details






Type | BY-B450D-EC-05 | Nominal Speed | 1750±5%RPM | |
Motor | EC102AV380V1100W | Max. Input Power | 950W | |
Phase | 3~ | Max. Input Current | 1.8A | |
Nominal Voltage | 380VAC | Sound level | 85dB(A) | |
Nominal Voltage Range | 304~456VAC | Min.Ambient Temperature | -25℃ | |
Frequency | 50/60 Hz | Max.Ambient Temperature | 60℃ | |
Method of Obtaining Data | FA | ML=Max. load ME=Max, effciency FA=Free Air | ||


Model | Voltage Range[V] | Frequency [Hz] | Rated Power[W] | Rated Current[A] | Rated Speed[RPM] | Noise Level[dB(A)] |
BL-B133B-EC-03 | 1~200-277 | 50/60 | 30 | 0.23 | 3800 | 67 |
BL-B175B-EC-03 | 1~200-277 | 50/60 | 50 | 0.4 | 2800 | 65 |
BL-B175B-EC-00 | 1~200-277 | 50/60 | 85 | 0.65 | 3800 | 72 |
BL-B190B-EC-00 | 1~200-277 | 50/60 | 85 | 0.65 | 3200 | 73 |
BL-B190B-EC-01 | 1~200-277 | 50/60 | 170 | 1.3 | 4400 | 82 |
BL-B220C-EC-02 | 1~200-277 | 50/60 | 115 | 0.85 | 3100 | 75 |
BL-B220C-EC-01 | 1~200-277 | 50/60 | 170 | 1.3 | 3600 | 80 |
BL-B225G-EC-01 | 1~200-277 | 50/60 | 170 | 1.3 | 3250 | 81 |
BL-B225G-EC-07 | 1~200-277 | 50/60 | 230 | 1.7 | 3500 | 83 |
BL-B250B-EC-01 | 1~200-277 | 50/60 | 170 | 1.3 | 2900 | 78 |
BL-B250B-EC-07 | 1~200-277 | 50/60 | 230 | 1.7 | 3100 | 80 |






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By 2025, the company operates a modern production facility of over 10,000㎡ with 120+ employees and holds 29 patents, driving continuous innovation in ventilation solutions for global markets.


























of ventilation products—from domestic to industrial—and specializes in providing customized solutions and parts to meet diverse client needs with an optimal balance of price and quality.
order.
A: We accept all OEM orders,just contact us and give me your design.we will offer you a reasonable price and make samples for you.
Q: What's your payment terms ?
A: By T/T,LC AT SIGHT,30% deposit in advance, balance 70% before shipment.


Ordering and Pricing
- Minimum order quantity: 1 piece
- Volume pricing:
- 1–99 piece: US $246.19 / piece
- 100–999 piece: US $219.4 / piece
- 1000+ piece: US $195.02 / piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this curve centrifugal duct fan?
The standard minimum order quantity is 1 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 2 Years warranty. Spare parts and technical support remain available after the warranty period.
Which certifications does this curve centrifugal duct fan carry?
It is supplied with ce/CCC/RoHS documentation, which covers the requirements of most import markets. Additional test reports can be issued on request.
Can the curve centrifugal duct fan be supplied for my local voltage?
The standard configuration is 120V/60Hz. 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 Suzhou Blauberg Motoren Technology Co., Ltd., based in China. The company 7 years as a verified Alibaba.com supplier, operates its own manufacturing. Browse the full Suzhou Blauberg Motoren Technology Co., Ltd. range on HVACR Nexus.
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