Siemens SENTRON - Connecting Current Ratings 2000 a to 3200 a to the Main Circuit (on the Line Side)

Connection
6.2 Connecting the main circuit
Manual, 08/2017, L1V30368969104A-02
55
Dimensions of version 9 to 12
Figure 6-25 Dimensions with copper bar connection kit, versions 9 to 12
6.2.5.2
Connecting current ratings 2000 A to 3200 A to the main circuit (on the line side)
The connection of current ratings 2000 A to 3200 A on the line side to the main circuit is
described in the following section. Different connection variants are possible here (versions
listed in the form of a table in the section titled Copper bar connection kit (Page 49)).
WARNING
Hazardous voltage!
Ensure there is no live voltage before connecting the transfer switching equipment to the
main circuit.
NOTICE
System damage
Connect the power supply systems with phase equality.
Note
If you are using the 3KC8 transfer switching equipment, mount the corresponding
accessories for the electronic module. For information, see the section titled Connecting the
inputs and outputs of the electronic module (3KC8 only) (Page 89).
Busbar requirements
Busbars with the following minimum dimensions must be used for line-side connection:
● Minimum copper busbar for I
th
2000 A = 3 x 100 x 5 mm
● Minimum copper busbar for I
th
2500 A = 4 x 100 x 5 mm
● Minimum copper busbar for I
th
3200 A = 3 x 100 x 10 mm