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2.2. ELECTRICAL SUPPLY INSTALLATION.
The electrical installation of the equipment making up the system must be carried out by specialised
personnel according to the standards in force.
The location must meet the following requirements:
- Place: Dry and ventilated. Far enough away from the welding area in order to prevent the dust caused by
the welding process from getting into the equipment. Never work in the rain.
- The distribution panel where the machine has to be connected must have the following elements, at least:
DIFFERENTIAL SWITCH (ID): Four-pole or three-pole with minimum sensitivity of 300 mA. The aim of this
switch is to protect the personnel from direct or indirect contact with electrical parts under voltage. The
differential switch is selected in agreement with the Characteristics plate. See Chapter 1.
MAGNETOTHERMAL SWITCH (IA): Three-pole or four-pole. The instrument will be chosen according to the
characteristics plate. We advise choosing a slow type Intensity-Time characteristic (Curve G), as
false tripping could occur due to transitory overloads.
Protection system
Magnetotherma
A 230/400V EQUIPMENT
230 V
U
V
W
v
u
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When the equipment leaves the factory it is set for 400V voltage. Figure 4 shows the terminal plate (see
mark 35 on the general parts explosion) which permits changing voltage. o reach the terminal plate just
remove the upper casing (mark 85 on the general parts explosion).
MAKE SURE THE MAINS VOLTAGE COINCIDES WITH
GAR CONTINUOS. Instructions Manual.
Electrical installation. Electrical data of the installation.
63A 3P + T - 230V
32A 3P + T - 400V
Connection
plug.
3P 50 A - 230V
l switch (Curve
"D")
3P 30 A - 400V
Differential
3P 63A/300 mA
switch.
(Minimum)
Figure 4. Voltage change. Terminal plate.
400 V
U
V
u
v
SELECTED VOLTAGE
230V±10%
400V±10%
500V±10%
THAT ESTABLISHED IN THE MACHINE.
GAR CONTINUOS
450
DO NOT FORGET TO FIT THE EARTH
CONNECTION INTO THE PLUG.
A 230/400/500V EQUIPMENT
230 V
U´
W´
V´
W
U
V
W
w
u
V
W
OPERATING VOLTAGE
220 V - 240 V
380 V - 415 V
475 V - 525 V
550
63A 3P + T - 230V
32A 3P + T - 400V
3P 50 A - 230V
3P 35 A - 400V
3P 63A/300 mA
400 V
U´
W´
V´
U
V
W
v
u
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Page 27
500 V
U´
V´
W´
U
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W
u
v
w
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