Insulation resistance:more than 10m Ω between housing and plus end wire redcolor)at 500V DC。 Dielectric strength:no damage can be found 600v AC.2 secretary,between housing and plus end of lead wire. Material: Frame:UL94V-0 70% P.B.T.+30% F.R.P 1mpeller:UL94V-0 70% P.B.T.+30% F.R.P Bearing:preclsion ball bearing system precision .Qilimpregnated sleeve bearing system Operating temperature:-10 to+°C70 Storage temperature:-40 to+°C70 Opreating voltage:rated voltage±15%.
