The centrifugal fan listed here carries 48 V, power supply 48 VDC, documented exactly as the manufacturer publishes it. Made by DBS Cooling Technology (Suzhou) Co., Ltd (3 years on the platform, typical reply ≤5h). For a binding price and lead time, send the volume you need and where it ships to.
Key Features of This Centrifugal Fan
- Power Supply: 48 VDC
- Voltage: 48 V
- Blade Material: Steel
- Place Of Origin: China
- Single Gross Weight: 0.0 kg
- Brand: DBS
Technical Specifications
| Voltage | 48 V |
|---|---|
| Blade Material | Steel |
| Place Of Origin | China |
| Brand | DBS |
| Product Name | DC fan |
| Power Supply | 48 VDC |
| Installation | Panel type with flange |
| Selling Units | Single item |
| Single Volume | 0 cm³ |
| Single Gross Weight | 0.0 kg |
Product Details
Product Specification
Product type: EC centrifugal fan
Product no.: 100081
| Technical feature: | ||
| Items | Unit | |
| Size | [mm] | 250 |
| Operation mode | S1 | |
| Direction of rotation | Clockwise, seen on rotor | |
| Insulation class | B | |
| Cable exit | Variable | |
| Bearing type | Ball bearing (NSK or NMB) | |
| Mass | [kg] | 1.5 |
| Material of impeller | PA66 | |
| Motor protection | Reverse polarity and locked-rotor protection | |
| Number of blades | 11 | |
| Material of impeller | Plastic PA66 | |
| Type of protection | IP44 |
Air flow
| Air flow | [M3/h] | 1650 |
| Back pressure | [Pa] | 0 |
Motor:
| Motor Data: | ||
| Items | Unit | |
| Nominal voltage | [VDC] | 48 |
| Nominal voltage range | [VDC] | 36….57 |
| Speed | [Rpm] | 2800 |
| Power input | [W] +/-10% | 125 |
| Current | [A] +/-10% | 2.6 |
| Min. ambient temperature | [ºC] | -25 |
| Max. ambient temperature | [ºC] | +65 |
| Ambient humidity | % | <= 95 |
| Leakage current | mA | <= 0.25 |
| Noise | db(A) | <= 73 |
| Start method | Soft start | |
| Protection 1 | Locked rotor | |
| Protection 2 | Current limit | |
| Protection 3 | Reverse polarity | |
| Stator housing material | Aluminum | |
| Rotor housing material | Aluminum | |
| Technical features | – Control input 0-10VDC/PWM – Tech output – Motor current limit – Soft start | |
| Max.permissible ambient motor temp.(transp./storage) | [ºC] | 80 |
| Min.permissible ambient motor temp.(transp./storage) | [ºC] | -40 |
| Product confirming standard | GB12350-2009 | |
| Approve | CCC |
Expected life at rated voltage continuous operation
| Life time at 40 ºC | [h] | 70,000 | Reference only |
| Life time at 60 ºC | [h] | 40,000 |
Connection screen:
| Colour | Signal |
| Red | Un +48VDC Supplier |
| Yellow | 0-10 VDC /PWM Speed control |
| White | Speed monitoring output, 3 pulses per rotation, Isink max = 10 mA |
| Blue | GND |
Product drawing:
| 1 | Connection wire with 0.5 ^2 mm |
| 2 | Depth of screw max. 6 mm |
Charts: Air flow
Ordering and Pricing
- Minimum order quantity: 1 unit
- Volume pricing:
- 1+ unit: US $8 / unit
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this centrifugal fan?
The standard minimum order quantity is 1 unit. Trial orders can usually be arranged for buyers evaluating the product before a full production run.
Can the centrifugal fan be supplied for my local voltage?
The standard configuration is 48 V. 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 DBS Cooling Technology (Suzhou) Co., Ltd, based in China. The company 3 years as a verified Alibaba.com supplier, operates its own manufacturing. Browse the full DBS Cooling Technology (Suzhou) Co., Ltd range on HVACR Nexus.
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