Bearing System--- 2 Ball Bearing
Life Expectancy--- Ball 100000hrs @ 4500RPM @ 30℃
Frame--------------- Aluminum
Impeller------------- Thermoplastic PBT+15% GF, UL94-V0
Lead Wire---------- UL 1007, AWG 22, 220±10mm, Red(+), Black(-)
Protection---------- Locked rotor protection
IP Grade ---------- IP51, IP54, IP56, IP67
