Operation Manual

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A3 MIG Welder© Kemppi Oy 2018 1826
OPERATING MANUAL
10. TECHNICAL DATA
A3 Power source 400
Power supply
Supply voltage 3~ 50/60 Hz 400 V, -15 % … +20 %
Mains connection cable H07RN-F 4G6 (5 m)
Maximum supply current 23 A
Eective supply current 21 A
Fuse 35 A delayed
Eciency (100 % duty cycle) 87 %
Power factor (at max. current) 0.9
Minimum short circuit power Ssc of
supply network
4.7 MVA
Idle power 25 W
Rated power 80 % ED 19.5 kVA
100 % ED 18.5 kVA
Primary current 50 % ED I1max 28 A
100 % ED I1 25.5 A
Welding characteristics
No-load voltage (peak) U0 = 85 V – 95 V
Open circuit voltage (average) 50 V
Welding voltage range 10 V - 46 V
Output capacity 40°C 80 % ED 400 A
100 % ED 380 A
Auxiliary device supply
Supply voltage 50 V DC
Fuse 6.3 A delayed
Environmental characteristics, dimensions and classication
Operating temperature range -20 °C … +40 °C
Storage temperature range -40 °C … +60 °C
External dimensions LxWxH 590 x 230 x 500 mm
Weight 36 kg
Degree of protection IP21S
EMC class A
A3 Wire Feeder 25
Electrical characteristics
Operating voltage (safety voltage) 50 V DC
Rated power 100 W
Load capacity 80 % ED 600 A
100 % ED 500 A
Wire feeder
Wire feed speed 0 … 25 m/min
Wire feed mechanism 4-roll, single motor
Gun connection Euro / PowerPin
Filler wires ø Fe, Ss 0.6 … 1.6 mm
ø Flux-cored wire 0.8 … 1.6 mm
ø Al 1.0 … 1.6 mm
ø CuSi 0.8 … 1.2 mm
Environmental characteristics, dimensions and classication
Operating temperature range -20 °C ... +40 °C
Storage temperature range -40 °C ... +60 °C
External dimensions LxWxH 269 x 175 x 169 mm
Weight 4.5 kg
Degree of protection IP21S
EMC class A