10
4. Power cables connection
Recommended protective devices and cable cross-sections
Recommended upstream protection
UPS power rating
Upstream circuit breaker
DX RT 6K UPS
D curve – 63A
DX RT 10K UPS
D curve – 100A
Read the Safety instructions page 3 regarding backfeed protection requirements.
Recommended cable cross-sections
Model
DX RT 6K UPS
DX RT 10K UPS
Protective earthing conductor
Min cross section
6mm^2 (8AWG)
10mm^2 (6AWG)
Input L, N, G
Min conductor cross section
6mm^2 (8AWG)
10mm^2(6AWG)
Input fuse
80A
100A
Output L,N,
Min conductor cross section
6mm^2 (8AWG)
10mm^2(6AWG)
It is recommended that an external isolating device should be installed between the
mains input and UPS as shown in Figure
AC Contactor: 208-240V, 63A (RT 6 kVA)208-240V, 100A (RT 10 kVA)
N(L2)
To UPS Normal AC / Bypass AC source.
G N(L2) L1
Summary of Contents for DX RT 10K UPS
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