Sanyo Denki Axial Fan DC Ball 40x40x20mm 12V 18.6m³/h

Locked rotor burnout protection, Reverse polarity protection. Dielectric strength: 50/60 Hz, 500 VAC, for 1 minute (between lead wire conductors and frame). Insulation resistance10 MOhm or more with a 500 VDC megger (between lead wire conductors and frame).