Type: three wire DC type shield
Three wire DC type non shield type
DC two-wire type standard type
DC two-wire type long distance
Size:      M8,M12,M18,M30
Connect: 2m the length of the cable type
M12 connector type
M12 relay connector type
Protection structure up to IP68 (GX-M8 /: IP67) (IEC)

The maximum operating distance (note):22mm ± 10% (GX-MK30A -)
Power supply voltage: 12 ~ 24V DC + 10%
Output: NPN open collector transistor /PNP open set