THE INDUSTRIAL RT RELAYS are particularly robust and are used for high load control. RT modules work in the control of up to 3 changeover contacts with 10A each. In addition, this product is equipped for safety reasons with manual operation, improved LEDs or free-wheeling diodes. In this series coupling relays are available with 2 or 3 changeover contacts, manual operation, position indicator and 8- or 11-pole sockets.