Allen-Bradley 1489-AMRS3 Signal Contact – 1 C/O, Trip Indicator, for 1489-M Circuit Breakers

The 1489-AMRS3 is a safety-critical diagnostic tool. It allows maintenance teams to differentiate between a deliberate power-down and a system fault. It features a Changeover (C/O) contact that provides one Normally Open and one Normally Closed circuit, which can be wired to a PLC input or a physical alarm pilot light.