Emerson 480V Manuel D’Utilisation
Specifications and Technical Data
94
Table 32
Cable size tightening torque at Liebert NX 100kVA UPS terminals
Bus Type
Cable Size
(Copper Wire Only)
Torque to Tighten
Terminal Bus & Lug Body
Main Input
(Single Input)
4/0
10 N-m
Main Input
(Dual Input)
4/0
10 N-m
Bypass Input
(Dual Input)
2/0
10 N-m
Output
2/0
10 N-m
Table 33
Cable size tightening torque at Liebert NX 120kVA UPS terminals
Bus Type
Cable Size
(Copper Wire Only)
Torque to Tighten
Terminal Bus & Lug Body
Main Input
(Single Input)
250
10 N-m
Main Input
(Dual Input)
250
10 N-m
Bypass Input
(Dual Input)
4/0
10 N-m
Output
4/0
10 N-m
Table 34
Cable size tightening torque at Liebert NX 160kVA UPS terminals
Bus Type
Cable Size
(Copper Wire Only)
Torque to Tighten
Terminal Bus & Lug Body
Main Input
(Single Input)
2-3/0
26 N-m
Main Input
(Dual Input)
2-3/0
26 N-m
Bypass Input
(Dual Input)
2-3/0
26 N-m
Output
2-3/0
26 N-m
Table 35
Cable size tightening torque at Liebert NX 200kVA UPS terminals
Bus Type
Cable Size
(Copper Wire Only)
Torque to Tighten
Terminal Bus & Lug Body
Main Input
(Single Input)
2-4/0
26 N-m
Main Input
(Dual Input)
2-4/0
26 N-m
Bypass Input
(Dual Input)
2-4/0
26 N-m
Output
2-4/0
26 N-m
Table 36
Cable size tightening torque at Liebert NX 480V Battery Cabinet DC input bus terminals
Cabinet
Rating
Cable Size
(Copper Wire Only)
Torque to Tighten
Terminal Bus and Lug Body
225A
4/0AWG
15 N-m
350A
400kcmil
15 N-m
600A
2-350kcmil
26 N-m
All control wiring and power wiring must be 600V rated wire.