PowerWalker VFI ICT IoT Series User Manual page 17

Recommended upstream protection

UPS model
Tower 3KS
Input terminal and output terminal connection:

Tower 3KS
Input L, N, G
conductor cross section
Output L, N, G
conductor cross section
Note: For Tower 3KS, the output cable should less than 3m.
When the cables connected to terminal block, the inner copper wire must not be
exposed to avoid the risk of electric shock.
Upstream circuit breaker
C curve-20A
Minimum of section required/ Torque
·
2.5 mm²/(0.3 N m)
·
4 mm²/(0.8 N m)
12
Terminal-block capacity
4 mm²
10 mm²