The ebm-papst fan series is built on decades of development experience and manufacturing expertise, featuring their renowned external rotor design where fan blades are directly attached to the motor. These fans offer high quality, durability, and low noise levels of 40 dB(A). They operate at 9 watts power consumption, with a rotational speed of 3,150 RPM. The fans are equipped with two terminals for power connection and are suitable for operating temperatures from -40°F to 176°F (-40°C to 80°C). They can be powered at both 50Hz and 60Hz frequencies. Designed for long service life and sturdy construction, they have an IP20 protection rating.