The OMRON D4NL-2DFA-B is a Guard Lock Safety Door Switch from the D4NL Series. It is a compact, electromagnetic locking type safety interlock switch designed for hinged or sliding machine guards that require head rotation flexibility on the actuator insertion head. This model features 2 NC + 2 NO contact configuration for the door detection circuit (slow-action, direct opening mechanism on the NC contacts) and a separate 2 NC contact configuration for the solenoid lock monitoring circuit.
