AC cooling fan general specification:
Electric Strength: 1000VAC for 1 minute to base on UL-507
Insulation Resistance: 100M ohm between lead wire and frame(DC 500V)
Life Expectancy(Ball bearing): 50000hrs min at 40 degree C/L10 relative humidity 65%20%
Life Expectancy(Hypro bearing): >40000hrs min at 40 degree C/L10 relative humidity 65%20%
Operation Temperature: -10~80 degree C(+14~176 degree F)
Storage Temperature: -40~75 degree C(-40~167 degree F)
Lead wire: UL1430AWG22
Pastic Material: Black PBT (UL94V-0) glass filled
Aluminum Material: high quality aluminum die-casting frame flatted with black paint

ADDA AA17250 series AC fan detailed specification:
1. frame size(mm): 172X150X51
2. bearing system type: ball bearing
3. rated voltage:115V/50,60HZ, 230V/50,60HZ
4. rated speed: 2500~2800RPM
5. maxiam air flow: 210CFM
6. maxiam pressure: 10.58mmAq
7. maxiam noise: 53dBA
8. safety approvals: CE,TUV, UL,cUL