Aluminum shell resistance: The dynamic braking resistor for VFD is made of special vertical corrugated flat wire, which is tightly combined and has good heat dissipation. It has high surface flame retardant and high temperature resistant insulating coating. It can withstand temperatures up to 500 °C. No noise, no interference, no harmful magnetic field. The dynamic braking resistor in VFD is easy to install, you can customize the resistance box to match various brands of inverters. See more industrial automation spare parts at micnodrive.com.