42
G2020 Series UPS Installation and Operation Manual
– 94861-004
Table 5-4 Recommended Cable Sizes
Input Side
Output Side
Bypass Side
DC Input Side
kVA
Capacity
Input
Voltage
Output
Voltage
Cable
Size
Torque
in. lbs
Cable
Size
Torque
in. lbs
Cable
Size
Torque
in. lbs
Cable
Size
Torque
in. lbs
500kVA
480V
480V
7 x 300MCM
or larger
347 - 469
in. lbs
6 x 300MCM
or larger
347 - 469
in. lbs
6 x 300MCM
or larger
347 - 469
in. lbs
10 x 400MCM
347 - 469
in. lbs
750kVA
480V
480V
7 x 350MCM
or larger
347 - 469
in. lbs
7 x 350MCM
or larger
347 - 469
in. lbs
7 x 350MCM
or larger
347 - 469
in. lbs
13 x 400MCM
347 - 469
in. lbs
*1
– Voltage drop across power cables not to exceed 2% of nominal source voltage.
*2
– Allowable ampere-capacities based on copper conductors with 75°C. insulation at ambient temperature of 40°C.
*3
– If using different cable type, rating, or in different site conditions, ensure that adjusted ampacity is equal to or larger than the sizes listed in the table.
*4
– Sized based on necessary overcurrent protection for maximum load.
Table 5-5 Recommended Hardware
UPS Capacity
Bolt size
Flat washer
size
Split
lockwasher
size
Nut size
500kVA
M12 x 40mm
M12
M12
M12
750kVA
M12 x 40mm
M12
M12
M12
Summary of Contents for G2020 Series
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