Key specification for this centrifugal fans: 230V, 220V 120V 24/48V. Everything below is reproduced from the factory data sheet. Made by Ningbo Jigu Motor Technology Co., Ltd. (12 years on the platform, typical reply ≤4h). Quantity and destination market determine the final price — tell us both for a firm quote.
Key Features of These Centrifugal Fans
- Model Number: DC 310mm
- Power Input: 220V 120V 24/48V
- Voltage: 230V
- Blade Material: Stainless Steel
- Speed Control: 0-10v or PWM signal
- Certification: CCC, ce, GS, RoHS
Technical Specifications
| Mounting | Free Standing |
|---|---|
| Voltage | 230V |
| Blade Material | Stainless Steel |
| Electric Current Type | AC |
| After-Sales Service Provided | Free Spare Parts |
| Place Of Origin | Zhejiang, China |
| Brand Name | GP MOTOR |
| Model Number | DC 310mm |
| Power Input | 220V 120V 24/48V |
| Bearing | NMB maintenance-free ball bearing |
| Impeller | Plastic PA or Stainless Steel |
| Lead Wire | AWG#22 UL1007 |
| Type Of Protection | IP44 |
| Safety | Electronic protection |
| Insulation Class | Class "B" or "F" |
| Speed Control | 0-10v or PWM signal |
| Life Time | 50000 hours (L10) at 40oC room |
| Certification | CCC, ce, GS, RoHS |
| Packaging Details | Packed in Carton/Pallet. |
| Port Of Dispatch | Ningbo or Shanghai |
| Selling Units | Single item |
| Single Volume | 0 cm³ |
| Single Gross Weight | 0.0 kg |
| Supply Ability | 60000 pieces per Month |
Product Details
DC EC Motor 310Mm Ec Backward Curved Centrifugal Fans
| Electrical Parameters | |
| Motor | Brushless external rotor motor |
| Insulation Class | Class "B" or "F" |
| Motor Protection | Locked rotor protection & Reverse Polarity protection soft start & Automatic restart capability |
| Speed Control | 0~10VDC / PWM Input |
| Type of protection | IP44 |
| Dielectric Strength | 5mA max. at 1500VAC 50Hz/s between frame and (+)terminal |
| EMC | EMC EN61000-6-3; EN 61000-6-1; EN61000-6-2/3 |
| Mechanical Parameters | |
| Material of Impeller | PA66 Propylene with Fibreglass reinforce |
| Bearing System | Dual NMB maintenance-free ball bearing |
| Life time | 50000 hours (L10) at 40°C room, humidity15%~65%RH |
| Lead Wire | AWG#22 UL1007 (Controls), AWG#18 UL1007 (Mains) |
| Operating Temperature | -25°C to +60°C |
| Storaging Humidity | 5% to 90% RH |
| Approval | CE, CCC, ErP2015 and RoSH compliance |
| Warrent | 18 months after delivery |
| Specification | |||||||||
| Item Code: RB3E310101 | |||||||||
| Votage Volt | Frequency (Hz) | Current (A) | Input Power (W) | Speed (RPM) | Air volume (CFM) | Air volume (m3/h) | Pressure (Pa) | Noise dB(A) | Net weight (kg) |
| 230V | 50/60 | ≤1.32 | 115 | 1630 | 1353 | 2300 | 400 | 64 | 3.2 |
| 230V | 50/60 | ≤1.15 | 260 | 2180 | 1582 | 2690 | 660 | 73 | 4.5 |
| Item Code: RB1D310101 | |||||||||
| 48V | / | ≤4.65 | 225 | 2020 | 1647 | 2800 | 620 | 70 | 4.4 |
| Outline Drawing | |||||||||
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| Characteristic Curves | Wire Diagran | |
 | Cable Color | Function |
| Brown | L | |
| Blue | N | |
| Yellow/Green | PE | |
| Red | +10V output | |
| Yellow | 0-10VDC / PWM | |
| Blue | GND | |
| White | Tach output | |
| Customized Fan and Blower Solutions All of the designs in the GP Motors portfolio ofCentrifugal Fans, Centrifugal Blowers, Axial Fans, Inline Duct Fans,Cross Flow Fans, Gas Blowers, Fan Motorsand Fan Components are fully and easily customized (see some of the many customization options listed below) offering OEMs high quality, cost effective options that meet their OEM application specific demands. Choosing to customize one of the motors or fans in our portfolio, enables OEMs to meet their custom motor or fan requirements while allowing for faster development times. |
DC EC Motor 310mm Ec Backward Curved Centrifugal Fans
Ordering and Pricing
- Minimum order quantity: 100 piece
- Volume pricing:
- 100–199 piece: US $50 / piece
- 200+ piece: US $40 / piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this centrifugal fans?
The standard minimum order quantity is 100 piece. Trial orders can usually be arranged for buyers evaluating the product before a full production run.
Which certifications does this centrifugal fans carry?
It is supplied with CCC, ce, GS, RoHS documentation, which covers the requirements of most import markets. Additional test reports can be issued on request.
Can the centrifugal fans be supplied for my local voltage?
The standard configuration is 230V. 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 Ningbo Jigu Motor Technology Co., Ltd., based in China. The company 12 years as a verified Alibaba.com supplier, Trading Company. Browse the full Ningbo Jigu Motor Technology Co., Ltd. range on HVACR Nexus.
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