Table 5-4 Recommended Cable Sizes; Table 5-5 Recommended Hardware - Toshiba G2020 Series Installation And Operation Manual

kVA Input Output
Capacity Voltage Voltage
500kVA 480V 480V
750kVA 480V 480V
*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.
UPS Capacity Bolt size
500kVA M12 x 40mm
750kVA M12 x 40mm
42

Table 5-4 Recommended Cable Sizes

Input Side
Cable Torque
Size in. lbs
7 x 300MCM 347 - 469 6 x 300MCM
or larger in. lbs
7 x 350MCM 347 - 469 7 x 350MCM
or larger in. lbs

Table 5-5 Recommended Hardware

Split
Flat washer
lockwasher
size
size
M12 M12
M12 M12
G2020 Series UPS Installation and Operation Manual – 94861-004
Output Side
Cable Torque Cable
Size in. lbs
347 - 469 6 x 300MCM
or larger in. lbs or larger
347 - 469 7 x 350MCM
or larger in. lbs or larger
Nut size
M12
M12
Bypass Side
Torque Cable
Size in. lbs Size
347 - 469
10 x 400MCM
in. lbs
347 - 469
13 x 400MCM
in. lbs
DC Input Side
Torque
in. lbs
347 - 469
in. lbs
347 - 469
in. lbs