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The welder acquires 220V single phase industrial frequency DC power source through the power switch SW 101 and rectify
through single phase rectifier bridge B1 and then filtered through capacitor C1, C2, C3, C4 to get the DC current. The AC current
is got through the IGBT (Q1, Q2, Q3, and Q4) all-bridge inverter. Then this alternating current, transformed by the intermediate
frequency transformer and rectified by quick recovery diode ( D4, D5, D6, D7), outputs the stable direct current for the welder
immediately after it has been filtered by the reactor L2. The wire feed speed can be stepless adjusted through the speed adjust
knob. The welding current is easily influenced from the wire feed speed, usually the faster the wire feed speed the bigger the Amp
value under the same voltage.
3.4 Welder's Structures
CALAF series use the movable carton like structures: The upper part in the front is equipped with a welding current regulation
knob, power indicator light (green), abnormal indicator light (yellow), while the lower part is furnished with the torch quick con-
nector and "-" quick connector. The back side is installed with power switch, gas valve connection , cooling fan, power source
lead-in wire, breaker . On the top there is a handle for the convenient of easy transport. When you open the cover, there is one
primary transformer, one piece of printed circuit board. The bottom part is supplied with output reactor, primary transformer and
etc. Installed in the middle part is a radiator with power elements.
3.5 Main Technical Data
CALAF model
Parameters
Power voltage (V)
Frequency (Hz)
Rated input capacity (KVA)
Rated input current (A)
Effective input current, max. (A)
No-load voltage (V)
Output current (A)
Electrode diameter (mm)
Steel solid wire
Flux wire
Aluminium wire
Electrode rod
Lift TIG fitted
Rated output voltage (V)
Duty cycle (%)
Efficiency (%)
Power factor
Insulation grade
Housing protection grade
Net Weight (kg)
Dimensions (mm)
Gross Weight (kg)
Packaging dimensions (mm)
No notification if the above data changes.
mig-mma om130i
mig-mma om160i
MIG | MMA
MIG | MMA
230V
230V
50 Hz
50 Hz
4,8 KVA
5,7 KVA
24 A
26 A
14 A
20,1 A
60V
60V
30-130 A | 30-120 A
30-160 A | 30-140 A
0,6 / 0,8mm
0,6 / 0,8mm
0,6 / 0.8 / 0,9 / 1,0mm
0,6 / 0.8 / 0,9 / 1,0mm
-
-
1,6-3,2mm
1,6-3,2mm
(
-
-
20,5
22
60%
60%
85%
85%
0,7
0,7
H
H
IP21
IP21
12,5 kg
12,7 kg
450x205x295
450x205x295
13,7 kg
13,9 kg
495x300x325mm
495x300x325mm
mig-mma om180i
MIG | MMA
230V
50 Hz
6,6 KVA
29 A
22,5 A
60V
30-180 A | 30-160 A
0,6 / 0,8
(weld 1,0mm)
0,6 / 0.8 / 0,9 / 1,0mm
-
1,6-4,0mm
weld
4mm)
-
23
60%
85%
0,7
H
IP21
13,0 kg
450x205x295
14,2 kg
495x300x325mm
6
mig-mma om200i
mig-mma-tig om200i
MIG | MMA
MIG | MMA | TIG
230V
50 Hz
8,1 KVA
35 A
20,7 A
60V
30-200 A | 30-180 A
30-200 A | 30-180 A | 30-180 A
0,6 / 0,8 / 1,0mm
0,6 / 0,8 / 1,0mm
0,6 / 0.8 / 0,9 / 1,0mm
0,6 / 0.8 / 0,9 / 1,0mm
-
1,6-4,0mm
(
weld
5mm)
1,6-4,0mm (weld 5mm)
-
24
60%
85%
0,7
H
IP21
13,0 kg
450x205x295
450x205x295
14,5 kg
495x300x325mm
495x300x325mm
230V
50 Hz
8,1 KVA
35 A
20,7 A
60V
-
1,6-3,2mm
24
60%
85%
0,7
H
IP21
13,0 kg
14,5 kg
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