ENGLISH
User’s manual
10
ELECTRONIC STABILIZER
5
Electrical Installation
The electrical installation has to be done by qualified personnel. Follow all the Safety
Standards (CEI Standards in Italy or IEEE elsewhere) for the Input/Output connections
and for the right selection of Input/Output cables.
We recommend to use dedicate AC Input/Output power lines for the AVR.
For safety we recommend using external circuit breakers between Input mains and AVR
AC Input line and between AVR Output lines and the loads. The circuit breakers should
be qualified with leakage current protective function (leakage current < 30 mA).
Before starting the installation procedure, be sure that:
1. The AVR is “OFF” (check the Stabilizer Breaker is in OFF position).
2. The AC Input Voltage for the AVR has been removed.
The following table shows the recommended size (cross section) for Input, Output and Ground (GND) wires.
Single-Phase Models
Rated Power (KVA)
1.2/3.5
6
9
12
18
25
30
Input Cable (mm
2
)
2.5
4.0
6.0
10.0
14.0
18.0
40.0
Output Cable (mm
2
)
2.5
4.0
6.0
10.0
14.0
18.0
40.0
Ground Cable (mm
2
)
2.5
4.0
6.0
10.0
14.0
18.0
40.0
Three-Phase Models
Rated Power (KVA)
3.5/6
12
18
25
30
35
50/55
75
100/120
Input Cable (mm
2
)
2.0
2.5
4.0
6.0
8.0
10.0
14.0
18.0
40.0
Output Cable (mm
2
)
2.0
2.5
4.0
6.0
8.0
10.0
14.0
18.0
40.0
Ground Cable (mm
2
)
2.0
2.5
4.0
6.0
8.0
10.0
14.0
18.0
40.0
We recommend using only flexible TRI-RATED cables. Otherwise if you use rigid cables,
it will be difficult to move the AVR from initial positioning.
We recommend to use dedicate AC Input/Output power Lines for the AVR.
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