The top section of the manual includes a silkscreen legend:
The manual clearly labels the "Top" side (incoming from busbar) vs. the "Bottom" side (outgoing to device). hager controls bp 10140 manual top
The first few pages of the Hager BP 10140 manual are the most vital. This "top" section includes: The top section of the manual includes a
DIN Rail Mounting/Removal:
Wiring Diagram (Top-level view):
AC Input (100-240V) ---> [ BP 10140 ] ---> DC Output (24V)
L N PE +V -V
If you need >40A output, you can connect two BP 10140 units in parallel. The manual specifies: DIN Rail Mounting/Removal :
The top diagram in the manual shows the exact millimeter spacing between phases (L1, L2, L3, N). For the BP 10140: