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34008030EN/AA - Page 18
2. Installation
2.6 Required protective devices and cable cross-sections
Recommended upstream protection
Recommended downstream protection
Required cable cross-sections
◗ Terminal-block cable capacity: 6 mm
2
, solid or stranded wire (maximum 8 mm
2
or AWG 8).
◗ Capacity for earthing conductor: 6 mm
2
, solid or stranded wire (maximum 8 mm
2
or AWG 8).
UPS power rating Upstream circuit breaker The indicated protection ensures
discrimination for each output circuit
downstream of the UPS.
If these recommendations are not followed,
protection discrimination is not achieved and
may result in a potential power interruption to
the connected devices.
4000 RT D curve - 32A
5000 RT D curve - 32A
UPS power rating Downstream circuit breaker The indicated protection ensures
discrimination for each output circuit
downstream of the UPS.
If these recommendations are not followed,
protection discrimination is not achieved and
may result in a potential power interruption to
the connected devices.
4000 RT Z curve - 10A
C curve - 4A
5000 RT Z curve - 10A
C curve - 6A
G N L
N
L
2 poles circuit breaker
To UPS Normal AC source