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C420e
3 INTRODUCTION
The ESABMig C420w/C420sw are step–controlled compact welding power units incorporating wire
feed mechanism intended for MIG/MAG welding with solid wires of steel, stainless steel or aluminium,
and cored wires with or without shielding gas. The ESABMig C420w/420sw are equipped with cooling
liquid system for welding torch. The ESABMig C420/420s are not equipped with cooling system and
can operate only with appropriate gas cooled torches.
The ESABMig C420w/420 is equipped with standard control unit (manual setting of all welding
parameters) and ESABMig C420sw/420s contains additional synergy control facility (preprogrammed
welding parameters; see also chapter 6.4).
The power units are fan–cooled and equipped with thermal overload protection.
The machines can be fitted with a flow guard (C420sw/C420w).
ESAB’s accessories for the product can be found on page 238.
3.1 Equipment
The power source is supplied with:
S Welding gun PSF 410W – 4,5m
S Return cable 5m with return clamp
S Shelf for gas cylinder
S Instruction manual
4 TECHNICAL DATA
ESABMig C420/C420w ESABMig C420s/C420sw
Voltage 400–415V, 3~50/60Hz 400–415V, 3~50/60Hz
Permissible load
at100 % duty cycle 315 A/30V 315 A/30V
at 60 % duty cycle 400 A/34V 400 A/34V
at 50 % duty cycle 420 A/35V 420 A/35V
Setting range (DC) 50A/16,5V–420A/35V 50A/16,5V–420A/35V
Open circuit voltage 14–47V 14–47V
Open circuit power 520W 520W
with cooling unit 730W 730W
Efficiency at max current 77% 77%
Power factor at max current 0,92 0,92
Control voltage 42V, 50/60Hz 42V, 50/60Hz
Wire feed speed 1,9 – 25,0m/min 1,6 – 25,0m/min
Burnback time 0 – 0,5s 0 – 0,35s
Creep start OFF / ON ON
2/4 stroke 2 / 4 2 / / 4
Welding gun connection EURO EURO
Max diameter of wire bobbin 300mm 300mm
Wire dimension range 0,6 – 1,6mm 0,6 – 1,6mm
Dimensions lxwxh 935 x 640 x 800mm 935 x 640 x 800mm
Weight 209kg 209kg
with cooling unit 217kg 217kg
GB
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