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111
13.2 Cable Lengths: Floor to Connection Point Inside UPS
To help calculate the total cable length required, refer to Table 36 for the distance from the floor to
selected connection points inside the Liebert
®
NX
™
. Determine the cable length required to reach the
Liebert NX, then add the appropriate length from the table and adequate slack for repair and
maintenance.
Table 36 Distance to connection points on the Liebert NX UPS
Connection Point on UPS
Distance
From Floor
in. (mm)
From Top of Unit
in. (mm)
Bypass AC input supply 13 (330) 66 (1676)
UPS output AC 13 (330) 66 (1676)
Battery power 13 (330) 66 (1676)
Auxiliary cables: Monitor board (U2) 67 (1702) 11 (279)
Liebert IntelliSlot Communications 60 (1524) 19 (483)
Ground 13 (330) 66 (1676)
Parallel Board 70 (1780) 11 (279)
Table 37 Parallel system current table
System
Size Type kVA
System I/P
Voltage
(VAC)
System Max
Input Current
System
Input OCPCB
Size (A)
O/P Voltage
(VAC)
Nominal
O/P Current
Rating (A)
Output
OCPCB
Size (A)
1+1
E
80 480V 135.0 200 480V 96.2 125
120 480V 202.5 300 480V 144.3 200
E1
80 480V 135.0 200 480V 96.2 125
120 480V 202.5 300 480V 144.3 200
E2
80 N/A N/A N/A 480V 96.2 125
120 N/A N/A N/A 480V 144.3 200
2+1
E
80 480V 270.0 350 480V 192.5 250
120 480V 405.0 600 480V 288.7 400
E1
80 480V 270.0 350 480V 192.5 250
120 480V 405.0 600 480V 288.7 400
E2
80 N/A N/A N/A 480V 192.5 250
120 N/A N/A N/A 480V 288.7 400
3+1
E
80 480V 405.0 600 480V 288.7 400
120 480V 607.5 800 480V 433.0 600
E1
80 480V 405.0 600 480V 288.7 400
120 480V 607.5 800 480V 433.0 600
E2
80 N/A N/A N/A 480V 288.7 400
120 N/A N/A N/A 480V 433.0 600
Type E: BB0, FB0 and KB0 configurations
Type E1: CB1, GB1, LB1 configurations;
Type E2: CB2, CB3, CB4 configurations
Use wiring rated at 75°C or greater.