Our Equipment Overview on SCR Power Controls, offered only online, provides a tool to compare and contrast suppliers. View online HERE.
For industrial process heating applications, the advantages of SCR power controllers outweigh their disadvantages. For example, SCR power controls provide high reliability and low maintenance requirements. Because the SCR is a solid-state device, the control does not have any moving parts that could wear out. Another advantage is its control options. Compared with an on/off electromechanical contactor, an SCR provides fast response and the ability to limit current and regulate load voltage, current or power. Disadvantages to using an SCR control can include low power factor, high harmonic currents and radio frequency interference (RFI) when using phase-fired power controllers.