The CONEC SAL-12-RKW4-2/K1 is a plug-in female M12 connector with 4 pins and a device net/CanoPen interface, featuring a 2-meter long cable. It is used to connect CANopen and DeviceNet networks, providing quick and easy connection of multiple nodes. The connector has an A-coding, which ensures its compatibility with a wide range of devices, such as PLCs, sensors, HMI, lights, and more.