ABB Sentry SSR20 Safety Relay 2TLA010051R0000 - 24VDC, 3NO+1NC Outputs, Screw Terminals, Two-Hand Device Monitoring

The ABB Sentry SSR20 Safety Relay 2TLA010051R0000 is a robust and versatile safety solution designed for monitoring two-hand devices. It features relay outputs of 3NO+1NC and operates on a +24 VDC supply voltage, ensuring reliable performance in various safety applications up to PLe / SIL3. The relay is equipped with screw terminals for secure connections and offers the flexibility of manual or automatic reset, selectable via a convenient switch on the front panel. This safety relay is part of the Sentry series, known for its ability to cover a wide range of safety applications. The basic models provide dependable supervision for simpler safety functions, while the universal models offer advanced features and high flexibility. For enhanced usability, models with a display come with preset configurations and provide extensive information to simplify troubleshooting. Additional variants of the Sentry SSR20 include a high accuracy timer function with a precision of ± 1% and an adjustable time setting range from 0-999 seconds. With a high output current capacity of up to 6 A, this relay can eliminate the need for an intermediary contactor. The multi-reset feature allows up to 10 safety relays to be connected to a single reset light-button, streamlining operations. All models in the Sentry series are available with detachable push-in or screw terminals, and accessories such as terminals and a coding kit for marking removed terminals are also available, ensuring ease of installation and maintenance.