EN
3 phase models
Kempact
253R, 253A
323R, 323A
Connection voltage
3~, 50/60Hz
400 V ±15%
3~, 50/60Hz
400 V ±15%
Rated power at
max. current
40% ED I
1max
(250A)
8.5 kVA
35% ED I
1max
(320A)
12 kVA
Supply current
40% ED I
1max
(250 A)
11.9 A
35% ED I
1max
(320A)
17.2 A
100% ED I
1eff
(150 A)
6.1 A
100% ED I
1eff
(190A)
8.2 A
Connection cable
H07RN-F
4G1.5 (1.5 mm², 5 m) H07RN-F
4G1.5 (1.5 mm², 5 m)
Fuse
Type C
10 A
Type C
10 A
Welding range
10V/20A–31V/250A
10V/20A–32.5V/320A
No load voltage
41 V
45 V
Idle power
25 W
25 W
Power factor at
max.
250 A / 26.5 V
0.93
320 A / 30 V
0.94
Efficiency at
100% ED
150 A / 21.5 V
88%
190A / 23.5 V
86%
Wire feed speed
adjustment range
1.0–18.0 m/min
1.0–20.0 m/min
Voltage adjustment
range
8.0–31.0 V
8.0–32.5 V
Filler wires
Fe solid
0.8…1.2 mm
0.8…1.2 mm
Fe cored wires
0.8…1.2 mm
0.8…1.2 mm
Ss
0.8…1.2 mm
0.8…1.2 mm
Al
1.0…1.2 mm
1.0…1.2 mm
Brazing
0.8…1.0 mm
0.8…1.0 mm
Wire spool
max
300 mm / 20 kg
300 mm / 20 kg
Shielding gases
CO₂, Ar, Ar+CO₂
mixed
CO₂, Ar, Ar+CO₂ mixed
External dimensions
L x W x H
623 x 579 x 1070 mm L x W x H
623 x 579 x 1070 mm
Weight
Not including gun and
cables
44 kg
Not including gun and
cables
44 kg
Temperature class
F (155 °C)
F (155 °C)
EMC class
A
A
Degree of protection
IP23S
IP23S
Operating
temperature range
–20…+40 °C
–20…+40 °C
Storage
temperature range
–40…+60 °C
–40…+60 °C
Standards
IEC 60974-1
IEC 60974-1
IEC 60974-5
IEC 60974-5
IEC 60974-10
IEC 60974-10
Kempact RA 181A, 251R, 251A, 253R, 253A, 253RMV, 253AMV, 323R, 323A, 323RMV, 323AMV
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