Revision date: 23/09/2014
Page 5 of 24
I
2
= Welding current.
Range 10
– 320A
U
r
= No-load voltage
Is the voltage between welding terminals (touchable voltage) when the machine is idle and equipped
with a voltage reduction function for operator safety. Low value means high operator safety, and with
this in mind this machine satisfies the world’s strictest regulation: AS 1674.2-2007 Safety in welding
and allied processes (Australian standard) which allows for maximum 35V.
U
0
= Arc striking voltage
When electrode touches work piece the U
r
voltage will within a split second jump to this value. It is
important that this value is high enough to enable quick and easy arc start for all welding
consumables.
U
2
= Arc voltage
Voltage present between the output outlets when welding is being carried out, in relation to a
particular set current. The relation, for the various welding modes is the following:
MMA→U2=(20+0,04*I2)
TIG
→U2=(10+0,04*I2)
Primary connection
U
1
= Effective input voltage 380
– 440V
I
1max
= Maximum value of input current at the corresponding duty cycle.
I
1eff
= Effective value of input current at the corresponding duty cycle.
Maximum input power is 14,9 kVA. Power factor 0,77. Duty Cycle 30%
Cooling
COOLING AF= Forced air cooling (with a fan).
Protection class
IP23S= Ingress Protection class. Protection degree of the casing according to EN 60529
2: Protection against intrusion of object greater than 12,5mm in diameter
3: Protection from sprayed water at an angle of 60º from vertical
S: Valid at standstill. (Should not be used for welding outdoors in heavy wind and rain)
Thermal insulation class
I.CL.H= Thermal class of the insulating materials and insulation systems.
resistant up to 180°C.
Standards
EN 60974-10 European Norm for electromagnetic compatibility.
EN 60974-1 European Norm for arc welding appliance: Current sources for welding.
Mark stating conformity to all safety standards and other standards required for sale
within the European Union
Dimensions and weight
Height : 325mm
Length : 460mm
Width : 230mm
Weight : 18,0kg
