All FKD Series fans utilize Fantech's unique external rotor motors. The motor's enclosed design allows the fan to operate in high moisture, lint and dust laden air. The motors are a permanent split capacitor type, with utomatic reset thermal overload protection and sealed ball earings. These features ensure long life and maintenance free operation. All motors and impellers are designed as one integral unit, allowing for excellent motor heat dissipation, even at a low RPM. * Galvanized steel housing * External rotor motor with built-in thermal overload protection and automatic reset * Tested and approved by UL and CSA (or equals) * Suitable for airstream temperatures up to 140° F * Permanently lubricated sealed ball bearings * 100% speed controllable for highly efficient and economical airflow * Terminal box with prewired electrical strip * Mixed flow impeller * Excellent heat dissipation to ensure long motor life RPM:2850 Voltage: 115 Rated Watts: 529 Max Amps: 4.84 Please note that this fan does not include a power cord. Power cord options: BACORD - for 120v option BACD3 - for 240v option