The Semikron SKKT 42B16 E is a three-phase controlled thyristor module with a blocking voltage of 1600 V. It features insulated flat transistors, glass passivated diodes, and voltage surge protection to protect against short circuits. Other features include freewheeling rectification, thermal control, low conductor losses, and a wide operating temperature range. The SKKT 42B16 is suitable for applications such as motor control, switching power supplies, welders, and HVAC systems.