1SVR508100R0100

The ABB 1SVR508100R0100 (CT-ERC.22) is a high-quality single-function electronic ON-delay timer relay designed for industrial automation, electrical control panels, machinery control systems, and time-dependent switching applications. Manufactured by ABB, this timer belongs to the CT-C series and provides a dependable ON-delay (delay-on-make) function with seven adjustable timing ranges covering 0.05 seconds to 100 hours. It operates with a rated control supply voltage of 24–240V AC or 24–48V DC and features two changeover (SPDT) output contacts rated at 250V and 4A. Its compact construction makes it suitable for industrial installations requiring accurate time-controlled switching.