BX6 series motors: Model:BX6-160B/C,BX6-200B/C,BX6-250B/C,BX6-315B/C,BX6-400B/C,BX6-500B/C,BX6-630B/C. Rated Input Voltage:220/380V. Frenquency:50/60HZ Insulation:F