Cable Requirements - Toshiba 4400 Series Installation And Operation Manual

9.4

CABLE REQUIREMENTS

Select the proper cable size per Table 9.1 and 9.2.
UPS Max. DC
Rating Current
15kVA 64 Adc
20kVA 85 Adc
25kVA 107 Adc
30kVA 128 Adc
50kVA 215 Adc
80kVA 344 Adc
100kVA 430 Adc
28
TABLE 9.1 - 440B TO TB1 DC POWER CABLE SIZES
(
Cable sizes for 75°C Copper Cable)
Recommended Wire size and Torque Requirement
Batt Cab Lug
MCCB Capacity
150 A #8 AWG – 3/0
150 A #8 AWG – 3/0
150 A #8 AWG – 3/0
150 A #8 AWG – 3/0
250 A (2x) #2 – 600
kcmil
350 A (2x) #2 – 600
kcmil
400 A (2x) #2 – 600
kcmil
TABLE 9.2 - 440B TB2 CONTROL WIRE SIZE
Battery Cab Lug Cable
Capacity
All 22 - 12 AWG
4400 Series UPS Battery Cabinet Installation and Operation Manual – 69445-005
Recommended Cable Strip
Cable Size
#2 AWG 0.65 in (16 mm)
#2 AWG 0.65 in (16 mm)
#2 AWG 0.65 in (16 mm)
#2 AWG 0.65 in (16 mm)
250 kcmil 1.3 in, (33 mm)
600 kcmil – 1.3 in, (33 mm)
2 x 250 kcmil
2x 350 kcmil 1.3 in, (33 mm)
Screw Lug Torque
#6 9 lb-in (1.01 N•M)
Tightening
Back Torque
120 lb-in (14
N•M)
120 lb-in (14
N•M)
120 lb-in (14
N•M)
120 lb-in (14
N•M)
500 lb-in (56
N•M)
500 lb-in (56
N•M)
500 lb-in (56
N•M)