Key specification for this centrifugal blower: voltage 115/230/24/48V, blade material Stainless Steel. Everything below is reproduced from the factory data sheet. Made by Ningbo Jigu Motor Technology Co., Ltd. (12 years on the platform, typical reply ≤3h). For a binding price and lead time, send the volume you need and where it ships to.
Key Features of This Centrifugal Blower
- Model Number: GRF1D160/GRF3E160
- Voltage: 115/230/24/48V
- Blade Material: Stainless Steel
- Speed Control: 0-10v or PWM signal
- Warranty: 1 Year
- Place Of Origin: Zhejiang, China
Technical Specifications
| Mounting | Duct Fan |
|---|---|
| Voltage | 115/230/24/48V |
| Blade Material | Stainless Steel |
| Warranty | 1 Year |
| After-Sales Service Provided | Free Spare Parts |
| Customized Support | OEM, ODM |
| Place Of Origin | Zhejiang, China |
| Brand Name | GP MOTOR |
| Model Number | GRF1D160/GRF3E160 |
| Motor | Brushless External Rotor Motor |
| Rotor | Black Paint |
| Bearing | NMB maintenance-free ball bearing |
| Impeller | hot-dip galvanised sheet steel |
| Type Of Protection | IP44 |
| Insulation Class | Class "B" or "F" |
| Speed Control | 0-10v or PWM signal |
| Selling Units | Single item |
Product Details
High Quality 230V 50Hz 250W 2 Speed Exhaust Fan Centrifugal Blower For Compressor






| 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 |
| Operation Mode | S1 |
| 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 | |
| Impeller Dimension | Φ160mm |
| Material of Impeller | Hot-dip galvanised sheet steel |
| 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) |
| Other Parameters | |
| 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: GRF3E160 | |||||||||
| Rated | Frequency | Rated | Input | Speed | Air Flow | Air Flow | Static Pressure | Noise | Net Weight (Kg) |
| 230V | 50/60 | ≤1.3 | 175 | 2150 | 394 | 670 | 470 | 70 | 3.3 |
| Item Code: GRF1D160 | |||||||||
| 24/48 | / | ≤32.2/1.1 | 105 | 1750 | 297 | 505 | 705 | 67 | 2.9 |
| 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 Motor GP Motor specialize in design, custom and manufacture electric motors, including ECM Motor, PMDC Motor, Brushless Motor, Gear Motor, Servo Motor, AC Motor as well as Motor Parts. All of them can be fully and easily customized (see some of the many customization options listed below). We committed to offer high quality, high performance, cost effective options to meet customers specific demands. Choosing to customize one of the motors in our Product Categories now! |










Since 1991, GP Motors has designed and manufactured the highest quality custom, ECM Motor, PMDC Motor,
Brushless Motor, Gear Motor, Servo Motor, AC Motor as well as Motor Parts in the industry. All of our custom
electric motors, electromechanical motor assemblies and components are engineered and manufactured in
our 120,000 square foot state-of-the-art manufacturing facility located in Ningbo, Zhejiang.
Ordering and Pricing
- Minimum order quantity: 2 piece
- Volume pricing:
- 2–99 piece: US $60 / piece
- 100+ piece: US $30 / piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this centrifugal blower?
The standard minimum order quantity is 2 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 1 Year warranty. Spare parts and technical support remain available after the warranty period.
Can the centrifugal blower be supplied for my local voltage?
The standard configuration is 115/230/24/48V. 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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