ABB – CT-ERS.21S (1SVR730100R0300) – On-Delay Electronic Timer Relay, 24–240 VAC

The ABB CT-ERS.S (Part Number SVRR) is a versatile electronic on-delay timer in the CT-S series. With a wide control voltage range, compact . mm DIN-rail housing, and precision timing from . s to  h, it’s ideal for industrial applications requiring reliable delay functions across global installations.