Kemppi KEMPACT 181A, Service Manual, Page: 6 / 40

SERVICE MANUAL
KEMPACT RA_V_1.2 5 (40)
Kemppi Oy
2. TECHNICAL INFORMATION
2.1. Technical data
Kempact 181A Kempact 251R, 251A
Connection voltage 50/60Hz 230V+- 15% 1~ 50/60Hz 240V+- 15% 1~
Rated power at max. current 50% ED I1max (180A) 5.16VkA/5.1kW 30% ED I1max (250A) 8.5kVA/8.4kW
Supply current 50% ED I1max (180A) 22A 30% ED I1max (250A) 36A
100% EDI1eff (140A) 16A 100% EDI1eff (150A) 17A
Connection cable H07RN-F
3G1.5 (1.5mm2,
5m)
H07RN-F
3G2.5 (2.5mm2,
5m)
Fuse Type C 16A Type C 20A
Welding range
10V/20A -
26V/180A 10V/20A -
29V/250A
No load voltage 36V 36V
Idle power 35W 35W
Power factor at max. 180A/25,75V 0.99 250A/26.5V 0.99
Efficiency at 100% ED 140A/21V 0.82 150A/21.5V 0.82
Wire feed speed adjustment
range
1.0-14.0m/min 1.0-18.0m/min
Voltage adjustment range 8.0-26.0V 8.0-29.0V
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
CuSi 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 LxWxH 623x579x1070 mm LxWxH 623x579x1070 mm
Weight
Not including gun and
gables
44 kg
Not including gun and
gables
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
IEC 61000-3-12 IEC 61000-3-12