ABB 2TLA010061R0100 safety/expansion relay sentry tsr20m vac

Safety expansion timer with delayed relay outputs 3NO+1NC, 85-265 VAC/120-375 VDC power supply and screw terminals. For monitoring of safety devices with contacts, 2 equivalent channels. OFF-delay time (0,5s or 1,5s) selectable by switch on the front.