ACF 528 Cooling Fan | 28VDC, 5-Port 1-800-14 #13 shell size

#13 shell size

while the universal brass sleeve and nut assemblies are for use with lmpolene

and comes in black

but what does it mean

Positions: ON-ON with E style bushing (locked in center position)

ACF 528 Cooling Fan | 28VDC, 5-Port 1-800-14 #13 shell sizeThe ACF 328 is able to cool up to three avionics units with up to 20 cubic feet of cooling air per minute. It operates on 28 VDC and maintains avionics equipment at proper operating temperature. These cooling fans use high quality, brushless blower motors and use RunQuiet technology. These units are FAA PMA approved and pass stringent environmental testing to ensure years of reliable service.