It has 4 original Omron relays
Input and output isolation
Has a display (LED) for each relay
Can be installed on the rail
24V input
Suitable for use in PLC output
Easy replacement of relays
Providing all three NO/COM/NC pins
High quality PCB and thicker copper than usual
PM-RL04 is a 4-channel relay board that can be used in the output of PLCs and controllers to isolate them.