Product Application

This internal rotor motor features an internal rotor made of pure copper wire winding, with a cast aluminum protective housing providing a closed-ventilation protection for the motor. It is suitable for outdoor environments. Compared to the external rotor, the internal rotor has greater power and air volume, and is widely used in electric welders, distribution cabinets, frequency converters, charging stations, laser equipment, injection molding machines, printing equipment, outdoor condensers, and many other applications.

Basic Information

Fan Type	AC Guard Mounted Internal Rotor Axial Flow Fan Φ250-Φ650 Model
Blade/Net mesh Material	Aluminium Alloy
Rotor Material	Cast Aluminium
Motor	AC 100% Copper Coil Internal Rotor Motor
Bearing	Ball Bearing
Protection Class	IP55
Insulation Class	F
Operating Temperature	-30℃ To +60℃

Technical Parameters

Model No.	Voltage (V)	Frequency (HZ)	Input Power (W)	Speed (R/MIN)	Capacitor (UF)	Max. Airflow (M3/H)
YWF-N-4E-250	220	50	45	1400	2	830
YWF-N-4E-300	220	50	45	1400	2	1250
YWF-N-4E-350	220	50/60	120	1400	5	2500
YWF-N-4E-400	220	50/60	180	1400	5	3600
YWF-N-4E-450	220	50/60	250	1400	5	5000
YWF-N-4D-500	380	50	550	1400	/	7450
YWF-N-4D-550	380	50	750	1400	/	11000
YWF-N-4D-600	380	50	1100	1400	/	11000
YWF-N-4D-650	380	50	1300	1400	/	15100

Packaging&Shipping：

Our products are usually packed in cardboard boxes with PE bags inside. We will pay attention to prevent collision, and the shipping mark can be made according to customer's requirements.

 Payment terms ,Delivery and Service：

Payment: All payments can be negotiated, usually by T/T or L/C at sight.

Delivery time: After receiving your payment, we will arrange production. We will ship the goods to your port of delivery as soon as possible.

Service: One year warranty, online technical service.

FAQ:

Q1:If there is no product size that meets the requirements, can it be customized?

A:If we can produce the required products, we can produce the required products according to the drawings and requirements provided by customers.

Q2:How long does it take to produce?

A:There is a stock can be sent Immediately. If there is no stock, one month at the latest.

Q3:How long does it take to ship?

A:It will take about 5-7 days to arrive by express and air. It may take up to a month to ship. It takes different time for different geographical locations.

Q4:Can you provide samples?

A:Yes. We can provide samples, but because most of the samples are sent by express, the cost may be very high.

 After-sale Service:

Guide installation

Guidance on online service delivery

Advance service, whole process service

Communicate operation with customer's technicians