Emerson 40-200KVA user manual 113

Specifications and Technical Data

Table 42 Cable size tightening torque at Liebert® NX™ 100kVA UPS terminals

	Cable Size	Torque to Tighten
Bus Type	(Copper Wire Only)	Terminal Bus & Lug Body
Main Input	4/0	10 N-m
(Single Input)
Main Input	4/0	10 N-m
(Dual Input)
Bypass Input	2/0	10 N-m
(Dual Input)
Output	2/0	10 N-m

Table 43 Cable size tightening torque at Liebert NX 120kVA UPS terminals

	Cable Size	Torque to Tighten
Bus Type	(Copper Wire Only)	Terminal Bus & Lug Body
Main Input	250	10 N-m
(Single Input)
Main Input	250	10 N-m
(Dual Input)
Bypass Input	4/0	10 N-m
(Dual Input)
Output	4/0	10 N-m

Table 44 Cable size tightening torque at Liebert NX 160kVA UPS terminals

	Cable Size	Torque to Tighten
Bus Type	(Copper Wire Only)	Terminal Bus & Lug Body
Main Input	2-3/0	26 N-m
(Single Input)
Main Input	2-3/0	26 N-m
(Dual Input)
Bypass Input	2-3/0	26 N-m
(Dual Input)
Output	2-3/0	26 N-m

Table 45 Cable size tightening torque at Liebert NX 200kVA UPS terminals

	Cable Size	Torque to Tighten
Bus Type	(Copper Wire Only)	Terminal Bus & Lug Body
Main Input	2-4/0	26 N-m
(Single Input)
Main Input	2-4/0	26 N-m
(Dual Input)
Bypass Input	2-4/0	26 N-m
(Dual Input)
Output	2-4/0	26 N-m

Table 46 Cable size tightening torque at Liebert NX 480V Battery Cabinet DC input bus terminals

Cabinet	Cable Size	Torque to Tighten
Rating	(Copper Wire Only)	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.

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