38GA Low Power Consumption Fans Sanyo Denki 38GA Low Power Consumption Fans reduce power consumption by 22% and the maximum static pressure is increased by approximately 1.9x when compared to the conventional product model. This GA type series measures 38mm x 38mm x 28mm and features PWM control functions, a current blocking function, and reverse polarity protection. These devices operate in a 10.8V to 13.2V voltage range and a -10°C to +70°C temperature range.