Phoenix Contact PLC-RPT- 48DC/21 Series Interface Relay, DIN Rail Mount, 48V dc Coil, SPDT, 1-Pole

The Phoenix PLC-RPT Series of relay modules features terminal blocks with push-in connection and plug-in miniature relay, suitable for DIN-rail mounting.

A relay is a switch that can be turned on and off, determining whether the current can pass through. Relay modules are used to control and protect against emergency conditions in applications such as modern power, large radio-electronic, electrophysical and X-ray installations.