Set of the devices contains:

1x DIG3D.LP.M - 5-24V/NPN/NO

1x DIG-Z.M - 5-24V/NPN/NO

1x SMART.GUARD

1x BOX.DIG3D+DIG-Z

2x MAG.CON/F

Wiring:

Power voltage 12-24V

Output from SMART.GUARD can be wired as PNP/NPN, and configured as NO or NC.