MKS MOSFET MOS Module for 3D Printer - 30A Heating Controller for Heatbed & Extruder Print Head | Perfect for DIY 3D Printing & Rapid Prototyping Projects

I've been using two of these for three years now. I installed them to take the strain off the main board of my Anycubic Mega S running 12 volts for everything. I have been able to operate beyond the manufacturer's maximum temperatures with no problems.