OPTI-UPS DS160KD33 User Manual
Page 45
3-5
3.3. Cable Selection
The following tables list all the information between KVA of the UPS and the size
and rating of the cables. Inadequate cable size or over sized breaker will incur risk
of fire or damage of insulation. Therefore, please look up the following tables to
determine the input circuit breaker rating and the size of cable for input, output and
battery connections. These data are for reference; final decision should be made in
accordance with the local electrical regulations.
BREAKER RATING FOR INPUT
KVA
INPUT
Imax(A)
NFB(A)
20
230/400V 3
Φ
50
50
30
230/400V 3
Φ
73
75
40
230/400V 3
Φ
98
100
50
230/400V 3
Φ
122
125
60
230/400V 3
Φ
147
150
80
230/400V 3
Φ
172
175
100
230/400V 3
Φ
215
225
120
230/400V 3
Φ
258
300
160
230/400V 3
Φ
344
350
240
230/400V 3
Φ
520
500
320
230/400V 3
Φ
692
700
CABLE SIZE FOR INPUT
KVA
INPUT
In(A)
R/S/T(mm
2
)
N(mm
2
)
20
230/400V 3
Φ
36
8
14
30
230/400V 3
Φ
54
14
22
40
230/400V 3
Φ
72
22
30
50
230/400V 3
Φ
90
30
38
60
230/400V 3
Φ
108
38
50