ABB Sentry TSR20MP Safety Relay with Delayed Outputs, 3NO+1NC, 85-265 VAC/120-375 VDC, Push-In Spring Terminals

The ABB Sentry TSR20MP Safety Relay is designed for monitoring safety devices with contacts, featuring two equivalent channels for enhanced safety. It offers delayed relay outputs with configurations of 3 normally open (NO) and 1 normally closed (NC) contacts, operating within a power supply range of 85-265 VAC or 120-375 VDC. The relay is equipped with push-in spring terminals for easy installation and secure connections. This safety relay allows for an OFF-delay time that can be selected between 0.5 seconds or 1.5 seconds via a switch on the front panel, providing flexibility in safety applications. The Sentry series supports safety applications up to PLe / SIL3, ensuring high reliability and performance. Basic models offer dependable supervision for simpler safety functions, while universal models provide advanced features and adaptability. For added convenience, models with displays offer preset configurations and detailed information to simplify troubleshooting. Additional variants include a high accuracy timer function with a precision of ± 1% and an adjustable time setting range from 0 to 999 seconds. The high output current capacity of up to 6 A eliminates the need for an intermediary contactor, streamlining your safety system setup. The multi-reset feature allows up to 10 safety relays to be connected to a single reset light-button, enhancing system efficiency. All models are available with either detachable push-in or screw terminals, and accessories such as terminals and coding kits for marking removed terminals are also available.