User Documentation

Appendix G. Installation Drawings ACT20-FEED-IN-PRO (Power Feed-In Unit)
1066540000/08/12-2018 205
ACT20-FEED-IN-PRO Power unit with backup.
ACT20-FEED-IN-PRO shall only be used with the CH20M-BUS supplied by Weidmüller.
Use CH20M BUS-AP (Bus End Plate) to prevent the mounting rail from being short circuited by the outer
enclosure.
Use CH20M BUS-ADP (Bus Cover) to prevent the open mounting rail from being accidentally short circuited.
Redundant ACT20-FEED-IN-PRO Power unit with backup.
ACT20-FEED-IN-PRO shall only be used with the CH20M-BUS supplied by Weidmüller.
Use CH20M BUS-AP (Bus End Plate) to prevent the mounting rail from being short circuited by the outer
enclosure.
Power is supplied to the Power Rail from two ACT20-FEED-IN-PRO modules. Both modules have
connections for normal supply and backup supply.