Kempact 253R

6402530

Kemppi compact welder with regular control panel for cost-efficient MIG/MAG welding, delivering 250 A with a 3-phase 400 V power supply.

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Kempact 253R — Technical data
DescriptionValue
Mains connection voltage400 V ±15 %
Mains connection phases3~50/60 Hz
Mains connection cable type4G, H07RN-F
Mains connection cable size1.5 mm²
Rated maximum input power [S1max]8.5 kVA
Mains fuse10 A
Idle state power consumption [P1idle]25 W
Output, duty cycle % at rated max. current, MIG40 %
Output at +40 °C, rated max current, MIG250 A
Output at +40 °C, 100% MIG150 A
Output range, MIG20 A / 10 V ... 250 A / 31 V
Voltage adjustment range, MIG8 ... 31 V
Power factor at rated maximum current [λ]0.93
Efficiency at rated maximum current [η]88 %
EMC classA
Filler wire diameter, Fe0.8 ... 1.2 mm
Filler wire diameter, Fe-MC/FC0.8 ... 1.2 mm
Filler wire diameter, Ss0.8 ... 1.2 mm
Filler wire diameter, Al1 ... 1.2 mm
Wire feed speed1 ... 18 m/min
Maximum wire spool weight20 kg
Maximum wire spool diameter300 mm
Control panel, modelLCD Regular
Control panel, type of installationBuilt-in
Operating temperature-20 ... 40 °C
Storage temperature-40 ... 60 °C
Degree of protection (fully installed)IP23S
External dimensions, length623 mm
External dimensions, width579 mm
External dimensions, height1070 mm
Weight without accessories44 kg
StandardsIEC 60974-1, IEC 60974-5, IEC 60974-10

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Kemppi is the design leader of the arc welding industry. Kemppi is the design leader in the arc welding industry. We are committed to boosting the quality and productivity of welding by continuous development of the welding arc and by working for a greener and more equal world. Kemppi supplies sustainable products, digital solutions, and services for professionals from industrial welding companies to single contractors. The usability and reliability of our products is our guiding principle. We operate with a highly skilled partner network covering over 70 countries to make its expertise locally available. Headquartered in Lahti, Finland, Kemppi employs over 650 professionals in 16 countries and has a revenue of 209 MEUR in 2023.

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