Page 16 - Catalogue
P. 16
DC BRUSHLESS AXIAL FAN
MODEL:RA-DC4028 30
25
O) 20 U
STATIC PRESSURE（mm-H 2 10 H M L
15
5
0
25
0
5
20
15
10
AIR FLOW (CFM)
SPECIFICATION (L: Low -speed； M: Middle - speed； H: High -speed； U：Ultra high-speed ; D: Ultra low-speed）
Voltage Model Current Power Speed Max air-flow Max Pstatic Noise
(VDC) A W RPM CMH CFM mm-H 2 O Dba
L 0.13 1.56 8000 20.85 12.27 6.80 38.5
M 0.23 2.76 10000 24.41 14.37 11.48 46.0
12
H 0.35 4.20 13000 35.07 20.64 23.00 50.6
U 0.45 5.40 15000 39.52 23.26 28.00 56.5
DRAWING
、 、
AIR
FLOW
ROTATION
GENERAL DESCRIPTION CUSTOMIZATION FUCTIONS
1.BEARING TYPE: BALL BEARING OR SLEEVE
2.IMPELLER AND FRAM MATERIAL: PBT SPEED CONTROL
3.MOTOR TYPE: BLDC PWM；Vsp; SOFT-START; CLOSED-LOOP;
4.INSULATION GRADE: E
GAPCYCLE RUNNING
5.INSULATION RESISITANCE: 10M/500VDC
6.DIELECTRIC STRENGTH: 2MINIMUM/500AVC-5mA OUT SIGNAL
7.AMBIENT HUMIDITY: RH20%-RH75% FG; RD (EXCEED THE MIN. SPEED SETTINGS)
8.STORAGE TEMPERATURE: -20°C ～ +75°C
9.WORKING TEMPERATURE:-10°C ～ +70° PROTECTION
10.SERVICE LIFE:50000 HRS LOCKED; WATER-PROOF;DUSTY-PROOF
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