250mm Ec Centrifugal Fan for Air Filtration Systems

• Material: Aluminum Fan
• Blade Material: Aluminum Alloy
• Type: Centrifugal Fan
• Electric Current Type: Ec
• Mounting: Duct Fan
• Certification: RoHS, CE, CCC
• Transport Package: Standard Exporting Packages
• Trademark: LONGWELL
• Origin: China
• Production Capacity: 30000 PCS / Month

Product Description

 Longwell 250mm  Low noise high wind speed EC Centrifugal blower fan for Air filtration systems

 

EC external rotor motor	230V/400V 50/60Hz
Power Input Range	85W~840W
Max Air Flow Ranges	1150~2900 m³/h
Max Air Pressure	580~1500 Pa
IP Level	IP 55 ,IP 54
Speed Control	Control Input 0-10VDC / PWM
Life expectance	50,000Hours(L10),At 40ºC room, humidity 15%~65%RH.
Electronic Protection	Locked-rotor Protection; Locked-Rotor Protection; Over- Current Protection; Over- Voltage Protection; Soft Start; Reverse Polarity Protection
Ambient Temp Ranges:	-25 ºC - +60 ºCTransformer air cooling

New model (with bracket)	electric	Voltage	Power	Currect	Air Volume	Static Pressure	Speed	Noise
		V	W	A	m³/h( Max)	Pa ( Max)	RPM	dBA
LWBE3G250-102PS-07	102	230	750	3.4	3039	1442	4100	93

Special Features:
Green technology EC motor
Extremely compact
The impeller is directly mounted on the motor rotor
Efficient
Low noise
Low copper and iron loss
Synchronous operation, no slip loss
Permanent magnet is adopted, and there is no hysteresis loss in the rotor
The operation is very economical
Optimized commutation, up to 1:10