model voltage 
vdc current 
a speed 
rpm pressure 
mmaq
air flow
cfm
  noise 
db curve
no.
a22580-dx7bys  24 / 48  2.2 / 0.94 2800/2850 18 580 67 7
x :  2 (24vdc), 4 (48vdc)      y: k(terminal block), l(lead wire）
general specifications
material
aluminum housing, steel impeller
bearings
maintenance-free ball bearings
motor type
dc permanent magnet brushless
connection
terminal block or lead wire
dielectric strength
500 vac for 1 min.
insulation resistance
100 mω min.@500vdc
operating temperature
-10℃ to +70℃
type of protection
insulation class b, ip54
safety
locked rotor protection and polarity protection
option
rd, fg, pwm/ voltage( 0-10 vdc),
pwm/duty(over 1khz from 5vdc to 48vdc)
dimensions (unit : mm) air flowandstaticpressure
[mmaq]
0
153
306
458
[m3/h]
917
1070 1222
20
611
764
182
15
136
7
[pa]
10
91
5
45
0
0
100
200
300
400
500
600
700
0
800
[cfm]

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深圳市叶恒达科技有限公司
业务
13798476391
和平东路福轩大厦B座1605