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Specifications
26
Table 12 Recommended conduit and cable sizes
Rectifier Input
UPS Rating
Voltage
(VAC)
Nominal Selection Alternate Selection
Top Cable Entry Input
Wire & Conduit
Ph, G THW / FMC
Bottom Cable Entry
Input Wire & Conduit
Ph, G THW / RNC
Top Cable Entry Input
Wire & Conduit
Ph, G THW / FMC
Bottom Cable Entry
Input Wire & Conduit
Ph, G THW / RNCkVA kW Input Bypass Output
250 225 480 480 480
(2) 2.5C 3-250kcmil,
#1/0AWG
(2) 2.5C 3-250kcmil,
#1/0AWG
(3) 2C 3-#2/0AWG,
#1/0AWG
(3) 2C 3-#2/0AWG,
#1/0AWG
300 270 480 480 480
(2) 3C 3-350kcmil,
#1/0AWG
(2) 3C 3-350kcmil,
#1/0AWG
(3) 2.5C 3-#4/0AWG,
#1/0AWG
(3) 2.5C 3-#4/0AWG,
#1/0AWG
400 360 480 480 480
(2) 3C 3-500kcmil,
#1/0AWG
(2) 3.5C 3-500kcmil,
#1/0AWG
(3) 2.5C 3-250kcmil,
#1/0AWG
(3) 2.5C 3-250kcmil,
#1/0AWG
Bypass Input
UPS Rating Voltage (VAC) Nominal Selection Alternate Selection
Top Cable Entry Input
Wire & Conduit
Ph, N, G THW / FMC
Bottom Cable Entry
Input Wire & Conduit
Ph, N, G THW / RNC
Top Cable Entry Input
Wire & Conduit
Ph, N, G THW / FMC
Bottom Cable Entry
Input Wire & Conduit
Ph, N, G THW / RNCkVA kW Input Bypass Output
250 225 480 480 480
(2) 3C 3-250kcmil,
2-250kcmil, #1/0AWG
(2) 3C 3-250kcmil,
2-250kcmil, #1/0AWG
(3) 2C 3-#2/0AWG,
2-#2/0AWG, #1/0AWG
(3) 2.5C 3-#2/0AWG,
2-#2/0AWG, #1/0AWG
300 270 480 480 480
(2) 3.5C 3-350kcmil,
2-350kcmil, #1/0AWG
(2) 3.5C 3-350kcmil,
2-350kcmil, #1/0AWG
(3) 3C 3-#4/0AWG,
2-#4/0AWG, #1/0AWG
(3) 3C 3-#4/0AWG,
2-#4/0AWG, #1/0AWG
400 360 480 480 480
(2) 4C 3-500kcmil,
2-500kcmil, #1/0AWG
(2) 4C 3-500kcmil,
2-500kcmil, #1/0AWG
(3) 3C 3-250kcmil,
2-250kcmil, #1/0AWG
(3) 3C 3-250kcmil,
2-250kcmil, #1/0AWG
Output
UPS Rating Voltage (VAC) Nominal Selection Alternate Selection
Top Cable Entry Input
Wire & Conduit
Ph, N, G THW / FMC
Bottom Cable Entry Input
Wire & Conduit
Ph, N, G THW / RNC
Top Cable Entry Input
Wire & Conduit
Ph, N, G THW / FMC
Bottom Cable Entry
Input Wire & Conduit
Ph, N, G THW / RNCkVA kW Input Bypass Output
250 225 480 480 480
(2) 3C 3-250kcmil,
2-250kcmil, #1/0AWG
(2) 3C 3-250kcmil,
2-250kcmil, #1/0AWG
(3) 2C 3-#2/0AWG,
2-#2/0AWG, #1/0AWG
(3) 2.5C 3-#2/0AWG,
2-#2/0AWG, #1/0AWG
300 270 480 480 480
(2) 3.5C 3-350kcmil,
2-350kcmil, #1/0AWG
(2) 3.5C 3-350kcmil,
2-350kcmil, #1/0AWG
(3) 3C 3-#4/0AWG,
2-#4/0AWG, #1/0AWG
(3) 3C 3-#4/0AWG,
2-#4/0AWG, #1/0AWG
400 360 480 480 480
(2) 4C 3-500kcmil,
2-500kcmil, #1/0AWG
(2) 4C 3-500kcmil,
2-500kcmil, #1/0AWG
(3) 3C 3-250kcmil,
2-250kcmil, #1/0AWG
(3) 3C 3-250kcmil,
2-250kcmil, #1/0AWG
Battery
UPS Rating Voltage (VAC) Nominal Selection Alternate Selection
Top Cable Entry Input
Wire & Conduit
Wires, G THW / FMC
Bottom Cable Entry Input
Wire & Conduit
Wires, G THW / RNC
Top Cable Entry Input
Wire & Conduit
Wires, G THW / FMC
Bottom Cable Entry Input
Wire & Conduit
Wires, G THW / RNCkVA kW Input Bypass Output
250 225 480 480 480
(2) 2.5C 2-350kcmil,
#1/0AWG
(2) 2.5C 2-350kcmil,
#1/0AWG
(3) 2C 2-#4/0AWG,
#1/0AWG
(3) 2C 2-#4/0AWG,
#1/0AWG
300 270 480 480 480
(2) 2.5C 2-500kcmil,
#1/0AWG
(2) 3C 2-500kcmil,
#1/0AWG
(3) 2C 2-250kcmil,
#1/0AWG
(3) 2C 2-250kcmil,
#1/0AWG
400 360 480 480 480
(3) 2.5C 2-500kcmil,
#2/0AWG
(3) 2.5C 2-500kcmil,
#2/0AWG
(4) 2C 2-250kcmil,
#2/0AWG
(4) 2.5C 2-250kcmil,
#2/0AWG
Bonding
UPS Rating Voltage (VAC)
Main Bonding Jumper/
Grounding Electrode
Conductor
kVA kW Input Bypass Output
250 225 480 480 480
(1) #1/0AWG/ (1)
#1/0AWG
300 270 480 480 480
(1) #2/0AWG/ (1)
#2/0AWG
400 360 480 480 480
(1) #2/0AWG/ (1)
#2/0AWG
If UPS is used in a four-wire system, the neutral ground jumper must be removed.