Siemens 340 Manual page 54

Configuration
4.1 Rated operational current and derating
Design versions for 7 A devices
For the 7 A device without clearance, a distinction is made between the following design
versions:
Design version
Individually with clearance a = 22.5 mm
Can be implemented with loop-through connectors when
using device connectors.
Note:
When using the 3-phase busbar systems, the necessary
clearances can also be implemented by leaving the
connections free. Cover the free connections with cover
caps (accessories) to protect the free terminal lugs
against touch.
7 A device alternately with 2 A device or 0.5 A device (b)
without clearance
Devices with the same rated operational current without
clearance: Side-by-side
Note
Please note the assembly examples in Chapter "Typical circuits (Page 143)".
54
SIRIUS 3RM1 motor starter
Manual, 11/2013, A5E0345285095020A/RS-AB/002