For many indoor and outdoor growers, the question of whether to reuse soil after harvest is both economic and envir...
Continue Reading

Trolmaster VFD Basic Compact Driver for speed control of AC motors (Delta-1)
Tax included.
Shipping calculated at checkout.
Description
Delta-1 is one of the possible frequency converters (VFD) that can be used with the Trolmaster VFD-1 module. The Delta-1 and VFD-1 modules can be used with the TrolMaster Hydro-X Pro system to control the speed of three-phase AC motors (industrial fans, etc.). The delivery includes an RJ45 cable for connecting the Delta-1 device to the TrolMaster VFD-1 module. This modified version has all the required parameters preset and is ready to operate with the VFD-1 module immediately after unpacking from the box.
* VFD drives can only operate 3-phase fans/motors. Single-phase motors cannot be used with the VFD-1 or Delta-1 VFD drive.