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8-11kVA EU_EN
ENGLISH
3.8 Installation requirements
Recommended protective devices and cable cross-sections
1. Recommended upstream protection
UPS power rating Upstream circuit breaker
8000VA D curve – 50A
11000VA D curve – 63A
2 poles circuit breaker
G N(L2) L1
N(L2)
L1
to UPS Normal AC source
2. Recommended cable cross-sections
Terminal
position
Wire
function
Terminal wire
size rating
Minimum input
wire size
Tightening
torque
L1 Phase 4-25 mm
2
(12-4 AWG) 10 mm
2
(8 AWG) 105°C
16 mm
2
(6 AWG) 90°C
18 lb in
N(L2) Neutral
(Phase)
Ground
Copper wire, solid or stranded.
3. Installation
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