Insulation resistance:more than 10m ¦¸¡¡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+¡æ70 Storage temperature:-40 to+¡æ70 Opreating voltage:rated voltage¡À15%. |