PTL 40X40X20mm 12v/24v dc cooling fan PD4020
1 Frame size(mm)                   40X40X20
2 Bearing type hypro               bearing,1B1S,ball, sleeve bearing
3 Rated voltage                    12V,24V
4 Rated speed                      5000～7000RPM
5 Max air flow                     6～8.5CFM
6 maxiam pressure                  2.8～5.31mmAq
7 Maxiam noise                     22～31dBA
8 Functions                        by impedance,by IC,by IC with FG,by transistor with FG,PWM+FG
9 safety approvals                 CE,UL
10 Electric Strength               5mA msx at 1500VAC for 1 min between lead wire and frame
11 Insulation Resistance           10M ohm between lead wire and frame(DC 500V)
12 Life Expectancy(Ball bearing)   70000hrs min at 40 degree C/L10 relative humidity 65%+/-20%
13 Life Expectancy(Hypro bearing)  >40000hrs min at 40 degree C/L10 relative humidity 65%+/-20%
14 Operation Temperature           -10~75 degree C(+14~167 degree F),normal; -10~90 degree C(+14~194 degree F)
15 Storage Temperature             -40~75 degree C(-40~167 degree F
16 Protection                      Motor protection and polarity protection
17 Plastic Material                Black PBT (UL94V-0) glass fiber

We can offer many kinds of axial AC fan.
The fan used in automatic installation, electronic equipments, medical equipments, power supply, electric welding machine, family electric appliances, computer, etc.
For more details pls contact us free.