The QG030-148/12 is a 12VDC Tangential Blower with a ball bearing and aluminum impeller. This QG030 series AC blower features large outflow surface, cross flow fan with high air flow and aluminum housing. The power connection is via insulated and tin-plated single strand cable and the motor is protected against reverse polarity and locking. This electronic commutation completely integrated blower also features blocking and overload protected rotor, the air discharge from the outlet and the direction of rotation is right looking at rotor.