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A7 MIG Gun 500-g© Kemppi Oy 2017 1712
OPERATING MANUAL
6. TECHNICAL DATA
This chapter provides the technical data of the gun.
6.1 General data
The table below provides general torch data in line with EN 60 974-7.
Type of voltage
DC
Polarity of the electrodes
Usually positive
Wire types
Commercially available round wires
Type of use
Automatic
Voltage rating
Peak value of 141 V
Protection type of the machine
side connections
IP3X (EN 60 529)
Shielding gas (DIN EN 439)
CO and mixed gas M21
6.2 Product-specific data
This table provides product-specic torch data as laid out in EN 60974-7.*
Type Type of
cooling
Load ED Wire Ø Gas ow Weight
CO M21
A7 MIG G (A) (A) (%) (mm) (l/min)
500-g gas 500 400 100 0.8–1.6 10–30 900
* For pulse-arc operation, the load gures are reduced by up to 35%.
Figure 2: Gun neck lengths Figure 3: Gun neck diameters
6.3 Abbreviations
DC
Direct current
ED
Duty cycle
MIG
Metal inert gas
MAG
Metal active gas
MAC value
Maximum allowable concentration of harmful substances in the
work location
Voltage rating
Insulation resistance, electric strength, and protection class
TCP
Tool center point
6.4 The type plate
The Kemppi A7 MIG Gun welding gun system is identied by a sticker or a Kemppi
logo. When contacting our service sta, please remember to check the production
stamp located near the Kemppi logo on the gun neck.
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