Product Category

310mm EC-DC Backward Curved Centrifugal Fan PB3N310B48U

310mm EC-DC Backward Curved Centrifugal Fan PB3N310B48U

PBM FOCUS ON EC FAN ONLY. Certificate: CE,UL,ROHS; Supply Ability: 100,000 pcs per year; MOQ: 1~100 pcs based on EXW price; 100 pcs above based on FOB price.

Technical Description

Curve and Draw

Certificate

Application Scopes

Packing Details

This 310mm dc backward curved centrifugal fan is made especially for cooling server racks and server rooms in data centers. It successfully overcomes the thermal aisle of the rack backplane and the air resistance of precision air conditioning terminals by delivering a large airflow of up to 2500 m³/h and a static pressure of 550 Pa, powered by 48V DC. This ensures uniform cooling of server clusters. With noise levels below 78 dB(A) and IP44 protection, the complete machine uses about 180W, making it appropriate for cleanroom settings. It may be coupled with environmental monitoring systems to modify airflow as necessary and supports 0–10V/PWM speed control. It is a perfect power source for liquid-cooled auxiliary air walls, in-row air conditioning, and high-density rack cooling because of its 50,000-hour lifetime, which guarantees continuous 24/7 operation in data centers.

General Characters

1-1	Rated Voltage	48 VDC
1-2	Operating Voltage	36~57 VDC
1-3	Rated Speed	2060 RPM
1-4	Input Current	3.4 A
1-5	Input Power	163 W
1-6	Air Flow	1294.7 CFM / 2200 M³/H
1-7	Static Pressure	2.56 inH₂O / 640 Pa
1-8	Acoustical Noise	71 dB(A)
1-9	Life Expectancy	50,000 Hours (L10) At 40℃ room, humidity 15%~65%RH.
1-10	Insulation Class	Class B
1-11	Motor Protection	Locked rotor protection Polarity protection Automatic restart capability
1-13	Speed Control	Control input 0~10VDC / PWM
1-14	Protection Type	IP44
1-15	Signal Output	FG (Frequency Generator)

Mechanical Characters

2-1	Dimension	Ø310 mm X 134.5 mm (see dimension drawing)
2-2	Material of Impeller	Aluminium Sheet
2-3	Number of Blades	6
2-4	Bearing System	NMB ball bearing
2-5	Lead Wire	DC (AWG20 #)