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Single Module UPS Installation
8
1.6 Power Cables
The cable design must comply with the voltages and currents provided in this section, follow local wir-
ing practices and take into consideration the environmental conditions (temperature and physical
support media).
For cable entry terminal, refer to Figures 43, 48, 52 and 56.
!
WARNING
Before starting the UPS, ensure that you are aware of the location and operation of the
external isolators that connect the ups input/bypass supply to the mains distribution panel.
Check that these supplies are electrically isolated and post any necessary warning signs to
prevent their inadvertent operation.
Table 1 Maximum steady state AC and DC currents
UPS
RATING
(kVA)
NOMINAL CURRENT: Amps BUSBAR STUD SIZE
Input Mains
with full battery
recharge
3ph + N
Bypass/Output
at full load
3ph + N
Battery at
minimum
battery
voltage
(400VDC)
Input/Output/
Bypass
Cables
Battery
Cables
(Bolts)
Torque
Load, Nm
(lb/ft)380V 400V 415V 380V 400V 415V Bolt Ø holes
30 50 47 45 46 43 42 64
M6 7 - 5 (1.12)
40 65 62 60 61 58 56 85
60 97 92 88 91 86 83 128
M8 9
M10 Ø11
M8: 13 (2.9)
M10: 26 (5.8)
80 128 122 117 121 115 111 170
100 160 152 146 152 145 139 213
M10 11
120 191 181 175 182 174 167 255
140 222 211 204 212 201 194 298
160 254 241 232 242 230 222 340
200 317 301 290 303 288 277 426
For terminal location – refer to 5.0 - Installation Drawings
Table 2 Distance from floor to connection point on the equipment
UPS
Minimum Distance, mm (in)
UPS 30/40 kVA UPS 60-80 kVA UPS 100-120 kVA UPS 140-200 kVA
Rectifier AC Input supply 350 (13.8) 305 (12) 324 (12.8)
Bypass AC Input supply 300 (11.8) 250 (9.8) 310 (12.2)
UPS Output AC 260 (10.2) 250 (9.8) 310 (12.2)
Battery Power 1030 (40.5) 230 (9) 360 (14.2)
Auxiliary cables:
Monitor board (U2)
1320(52) 1500 (59)
Communications 1070(42.1) 1250(49.2)
Earth 350 (13.8) 275 (10.8) 338 (13.3)
!
WARNING
Failure to follow adequate earthing procedures may result in electromagnetic interference or
in hazards involving electric shock and fire.