Kemppi RA - Manual (Page 34)

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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