Specifications and Technical Data

Table 42 Cable size tightening torque at Liebert® NX100kVA 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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Emerson 40-200KVA user manual 113