DEVICE FOR ARC WELDING ON THE BASIS OF HIGH-FREQUENCY TRANSISTOR CONVERTER "KORAL-301-2"
Source picture    The device "KORAL-301-2" represents ideal device both for the professionals, and for amateurs for performance of welding works by stick electrodes with diameter from 1,5 up to 5,0 mm or two-operator work by electrodes with diameter from 1,5 up to 3,2 mm.

         High welding-technological properties are provided with using of any type of electrodes as with rutile covering, and base (basic).

         The device is supplied with sensors of thermal protection, which provides its high reliability in operation. Smooth adjustment of a welding current allows the user simply to choose necessary modes of welding. At two-operator work the adjustment of each post is independent.

TECHNICAL PROPERTIES
¹
Parameter
Unit of meas.
Meaning
1
Power voltage/frequency
V/H
220/50
2
Maximal primary current
À
33
3
Limits of welding current regulation
À
10 - 300
4
Open circuit voltage
V
56
5
Efficiency
%
85
6
Factor of capacity
-
0,95
7
Durations of operation (for current: 220/250/300 À)
%
100/60/30
8
Overall dimensions
mm
345 õ 270 õ 250
9
Maximal weight
kg
13,8
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