Page 73 - Catalogue
P. 73
EC CENTRIFUGAL BLOWER BACKWARD CURVED
MODEL:RA-ECC250 50
40
O) 30 H
STATIC PRESSURE（mm-H 2 10 M
20
0
100
0
400
500 600
200
300
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
(VAC) A W RPM CMH CFM mm-H 2 O Dba
M 0.36 40.00 2000 733.97 432.00 26.60 67
90-264
H 0.46 67.00 2300 861.39 507.00 39.70 70
DRAWING
：
GENERAL DESCRIPTION CUSTOMIZATION FUCTIONS
1.BEARING TYPE: BALL BEARING
2.IMPELLER AND BASE MATERIAL: PA66 / ADC12 SPEED CONTROL
3.MOTOR TYPE: E-BLDC (AC TO DC) PWM；Vsp; SOFT-START; CLOSED-LOOP;
4.INSULATION GRADE: E
GAPCYCLE RUNNING
5.INSULATION RESISITANCE: 10M/500VDC
6.DIELECTRIC STRENGTH: 2MINIMUM/1500AVC-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
73/92
