Base unit suitable for all I/O modules of the base unit type "C0/C1", can be recognized by the laser inscription on the front and/or the last two digits of the article number, current carrying capacity per process terminal (terminal 1 to 4)|Current carrying capacity per process terminal (terminal 5 and 6): max 10 A|The base unit further conducts the potential group, the self-assembling voltage buses P1 and P2 and the auxiliary busbar are connected to the left hand neighboring module|Access to the auxiliary busbar via terminals|6 terminals to the process (assignment with the I/O module)|Two auxiliary terminals for connecting a PE terminal or potential, the auxiliary busbar is not connected to the I/O module max 24 VDC/10 A|Connection system in the form of push-in terminals