3. Installation
3.6 Power Cables
The cable design shall comply with the voltages and currents provided in this section, and in accordance with local electrical codes.
WARNING!
UPON STARTUP, ENSURE YOU ARE AWARE OF THE LOCATION AND OPERATION OF THE EXTERNAL
ISOLATORS CONNECTED TO THE UPS INPUT/BYPASS SUPPLY OF THE UTILITY DISTRIBUTION PANEL.
ENSURE THESE SUPPLIES ARE ELECTRICALLY ISOLATED AND POST ANY NECESSARY WARNING SIGNS
TO PREVENT INADVERTENT OPERATION.
Cable Sizes
UPS Model
Gauge
70mm
Max.
S3MT-
120mm
100KWR480V
70mm
Max.
120mm
AC Input
AC Output
Torque
Gauge
70mm
2
50N•m
Max.
120mm
2
70mm
2
50N•m
Max.
x2
120mm
2
Cable Sizes (THHW wiring at 75°C)
Torque
Gauge
Input transformer
x2
120mm
2
50N•m
Max.
x2
120mm
2
Output transformer
x2
120mm
2
50N•m
Max.
x2
120mm
2
11
Neutral
Grounding
Torque
Gauge
x2
95mm
2
50N•m
Max.
x2
120mm
2
x2
95mm
2
50N•m
Max.
x2
120mm
2
Lug
Torque
2
50N•m
M10
x2
2
2
50N•m
M10
x2
2