Types :	250mm AC low noise backward centrifugal fan for Gas delivery and pressurization
Voltage Ranges :	230V,380V
Frequency :	50/60 Hz
Diamter :	250mm ( impeller diameters )
Motor Types :	BLEC External Rotor Motor
Speed Control :	0-10V Signal / PWM / RS485(Optional)
Max.ambient Temp:	-25℃～ +60℃
Certificating :	All necessary certifications suitable for USA & Europe , ETL,UL ,CE ,RoHS, ISO19001,ISO 14001,BSCI
Protection Level:	IP44 ,IP54,IP55
Electronic Protection:	Current limiting protection ,Over-temperature protection,Over-current protection,Locked-rotor protection,Soft start
Working & Storage	Operating temperature：-25~60℃；Operating humidity：0 ~ 85 % RH Storing temperature：-25 ~ 70℃；Storing humidity：0 ~ 95 % RH Applicable altitude range：＜1000m
Balancing	According to JB/T 9101-1999 requirements G6.3
Product Standards :	LVD EN60950-1 EMC EN61000-6-3,EN61000-4-2, EN61000-4-3
Mainly Applications	AUH/ AIR PURIFIER / Server Cooling & Ventilation / Grow Tent /Ventilation SYSTEM/ Equipments Cooling /Refrigerator ,etc;ventilation fan cooling;ventilation exhaust fans

Voltage	115/230V
speed	4000rpm, 500RPM, 800RPM, 1500RPM, 600RPM, 900rpm, 2000RPM
Blade Material	Plastic
customized support	OEM, ODM, OBM
mounting	FREE STANDING
place of origin	Zhejiang, China
brand name	LONGWELL
warranty	1 Year
After-sales Service Provided	Video technical support
Material	Stainless Steel, Plastic, aluminum alloy, Steel
Type	Backward centrifugal blower fan
power input	AC 115/230
Impeller material	Propylene with glass fiber reinforced
Bearing	Ball Bearing
Approvals	CE,CCC
Motor type	AC external rotor motor
Amb,Temp	-20 to +60℃
Insulation	B/F
Application	AIR EXCHANGER ,AIR PURIFIER
Usage	High Pressure Blowing
Selling units	Single item
Single package size	30X30X18 cm
Single gross weight	4.500 kg

LONGWELL Industrial 250mm AC Low Noise Backward Centrifugal Fan for Gas Delivery and Pressurization

Description