Insulation Resistance: more than 10mΩ between housing and plus end of lead wire redcolor at 500V DC.

Dielectric strength:no damage can be found at 600VAC.2 secretary,between housing and plus end of lead wire.

Material:
　　　　　Frame:UL94V-0 70% P.B.T+30% F.R.P.
　　　　　1mpeller:UL94-0 70% P.B.T. +30% F.R.P
　　　　 　 Bearing:preclsion ball bearing system precision.Qilimpregnated sleeve bearing system.
Operating temperature: -10to+70℃.

Storage temperature: -40 to+70℃

Opreating voltage: rated voltage ± 15%.