There is no need to provide power supply for the VFD-1 unit. It can be connected to the Hydro-X Pro with a simple RJ12 phone cable.
*Firmware Update Note: To update firmware on the TrolMaster's controllers and modules, you must use a Micro SD card that is 32GB or less capacity.
No Extra Power Needed
LCD Display, Easy Operation
Micro-SD for Firmware Updates
Seamless Connectivity with Hydro-X Pro
Connect with inverter to control industrial fans