The J&D Manufacturing 72" Mega Torque Exhaust Fan with Pre-Wired VFD combines the maintenance-free reliability of torque-drive technology with the convenience of a factory pre-wired and pre-set Variable Frequency Drive. Available wired for 240V or 480V, each unit ships ready to install with a NEMA 4x-enclosed VFD mounted in the airstream for low operating temperatures, pre-installed EMC filters, and a soft-start function to reduce power surges and extend fan life. The result is a high-efficiency, variable-speed barn exhaust fan that lowers energy costs, minimizes maintenance, and delivers up to 46,162 CFM at 0" static pressure.
Features & Benefits
Pre-Wired, Pre-Set VFD Included: Factory-wired to the motor and pre-configured for easy installation - no VFD programming or separate wiring required.
NEMA 4x VFD Enclosure: Cooling fins mounted in the airflow keep the VFD at low operating temperatures, extending drive life in demanding environments.
Short Motor-to-VFD Wire Length: Minimizes electrical noise and extends motor life by reducing voltage spikes between the drive and motor.
Pre-Installed EMC Filters: Eliminates interference with RFID readers and other farm electronics commonly used in modern dairy and poultry facilities.
Soft Start: Gradual motor ramp-up reduces startup loads and extends fan life.
No Belts or Pulleys: Torque-drive design eliminates drivetrain maintenance - no belts to change, no pulleys, no bearings to lubricate, no greasing.
Available in 240V or 480V: Choose the configuration that matches your facility's electrical infrastructure.
5-Blade Aluminum Propeller: Innovative 5-blade aluminum prop with one-piece molded cone and heavy-duty galvanized guard.
This sett up is great relatively easy compared to all the other methods I've use over the last 40 years at my age simple and easy with great results is where it's at
