Special function Electrical entry Indicator light Wiring (Output) In-line Perpendicular 0.5 (Nil) 3 (L) DC AC 5 (Z) MHT Type 3-wire (NPN) 3-wire (PNP) 24 V MHY M9NV M9N Solid state switch 5 V IC circuit 12 V M9PV M9P Standard MHW Relay, PLC Grommet Yes M9BV M9B 2-wire 12 V Water resistant (2-color indication) MRHQ F9BA Lead wire length symbols: 0.5 m Nil (Example) M9B 3 m L (Example) M9BL