8
ITYS
10-20 kVA - Ref.: IOMITYTWXX0C-GB 00
3. ELECTRICAL REQUIREMENTS
The installation and system must comply with national plant regulations. The electrical distribution panel must have a protection
and sectioning system installed for the input mains and auxiliary mains. If a differential switch is installed on the mains power switch
(optional) it must be inserted upstream from the distribution panel.
The table below shows the size of the input protection devices recommended for correct installation.
Size of input protection devices
Model r
ating
Magnet
o-thermal
Input
Magnet
o-thermal
Aux. Mains
Differ
ential input
Input mains cable
cor
e siz
e
Input mains fuse
Aux mains
cable cor
e siz
e
Output
cable cor
e siz
e
Batt
er
y cable
cor
e siz
e
P
rot
ective Ear
thing
conduct
or
Batt
er
y pr
ot
ection
T
o
rque for fixing
above t
erminals
(kVA)
(A)
(A)
(A)
(mm
2
)
(mm
2
)
(mm
2
)
(mm
2
)
(mm
2
)
(A)
Lb in
single
single
selective type min max
min max min max min max
max
10
1/1
63 A
250 VAC
63 A
250 VAC
0.5 A
10
13
30 A
250 VAC
10
13
10
13
10
13
13
50
10
10
3/1
40 A
250 VAC
63 A
250 VAC
0.5 A
2.5
4
30 A
250 VAC
10
13
10
13
10
13
13
50
10
20
1/1
100 A
250 VAC
100 A
250 VAC
0.5 A
21
25
50 A
690 VAC
21
25
21
25
21
25
25
100
18
20
3/1
60 A
250 VAC
100 A
250 VAC
0.5 A
6
10
50 A
690 VAC
21
25
21
25
21
25
25
100
18
Summary of Contents for ITYS 10 kVA
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