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ifm electronic
ifm electronic E30 Series Sensor Box, M12, 2 port
Part: E30398
Industrial sensor junction box with two M12 ports for factory automation and machinery control.
Sick
Sick IOLA Series Sensor Box, M12, 2 port
Part: IOLA2US-01101 (SiLink2 Master)
Smart sensor connection box with IO-LINK protocol for industrial automation systems.
Turck
Turck TBEN-L Series I/O module, M12 4-pin, 5 way, 2 port
Part: TBEN-L5-8IOL
Industrial I/O module with M12 connectors supporting IO-Link and Ethernet protocols.