49
4400 Series Installation and Operation Manual – 64527-008
TABLE 9.3: RECOMMENDED MINIMUM CABLE SIZE & TIGHTENING TORQUE FOR 80-100KVA UPS FOR 120/208V IN,
120/208V OUT
Block Number
Cable Size (Min-Max) 75 °C Copper Wire in Conduit
Tightening
Torque
2
Terminal Lug Capacity
80 kVA
100kVA
AC Input
(A, B, C)
(2) x (1/0 – 600 kcmil)
(2) x 2/0 AWG –
(1) x 500 kcmil
(2) x 4/0 AWG – (1) x 600
kcmil
375 in-lb
(42 N•m)
(3/8 in Hex drive
socket)
AC Input Neutral (N)
2
(2) x (1/0 – 600 kcmil)
(2) x 350 kcmil
(2) x 500 kcmil
AC Output Neutral (N)
(2) x (1/0 – 600 kcmil)
(2) x 300 kcmil
(2) x 500 kcmil
AC Output
(A, B, C)
(2) x (1/0 – 600 kcmil)
2 x 2/0 AWG –
(1) x 400 kcmil
(2) x 3/0 AWG –
(1) x 600 kcmil
Secondary Input
(A, B, C)
(2) x (1/0 – 600 kcmil)
2 x 2/0 AWG –
(1) x 400 kcmil
(2) x 3/0 AWG –
(1) x 600 kcmil
Secondary Neutral
(N)
2
(2) x (1/0 – 600 kcmil)
(2) x 300 kcmil
(2) x 500 kcmil
Battery Terminals
(+/-)
1
(2) x (1/0 – 600 kcmil)
(2) x 250 kcmil
(2) x 350 kcmil
1
One battery string. (Consult factory if using more than one battery string.)
2
Size neutral cable appropriate to actual load type: balanced, unbalanced, non-linear.
See
Appendix D – Input/Output Cabling Guide, for current calculations for different input and output transformer
combinations. Use these values to determine the correct power cable size per the 2014 National Electrical Code (Ref.
Table 310.15(B)(16))
Lug tightening torque is the same as given in Tables 9.1 through 9.3.
Содержание 4400 Series
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