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Warning! If the machine is designed to run on a special voltage, the Technical Data shown on the rating plate apply. The mains plug and mains
supply lead, and their fuse protection, must be dimensioned accordingly.
TECHNICAL DATA
VR 57 WIREFEEDER
Supply voltage 42 V DC
Power consumption 162 W
Gear ratio 24 : 1
Wirefeed speed up to 18 m/min
Class of protection III
Degree of protection IP 23
VST 357/357-2, VST 457/457-2 POWER SOURCES
VST 357/357-2 VST 457/457-2
Mains voltage +/-15% 3x230/400 V~ 3x230/400 V~
Mains fuse protection 230 V 35 A slow 63 A slow
400 V 20 A slow 35 A slow
Cos phi 150 A 0.93 0.90
370 A 0.93 -
500 A - 0.88
Efficiency 100 A 80 % -
200 A - 80 %
Welding current range 30 - 370 A 35 - 500 A
Welding current at 10 min/40°C 30% duty cycle - 500 A
10 min/40°C 35% duty cycle 370 A -
10 min/40°C 40% duty cycle 350 A 450 A
10 min/40°C 60% duty cycle 280 A 360 A
10 min/40°C 100% duty cycle 220 A 280 A
Open-circuit voltage 43 V 54 V
Working voltage 15.5 - 32.5 V 15.8 - 39.0 V
Number of switching steps 3 x 7 4 x 7
Inductance taps 2 3
Degree of protection IP 23 IP 23
Type of cooling AF AF
Insulation class H H
S, CE S, CE
FK 57 COOLING UNIT
Mains voltage - pump motor 230 V~, 50-60 Hz
Power consumption - primary 0.8 A
Cooling capacity +20°C
1200 W
+40°C 750 W
Delivery capacity 2.0 l/min
Pump pressure 4.5 bar
Coolant volume 5.2 l
Delivery head 35 m
Degree of protection IP 23
Dimensions L x W x H 215x240x480 mm
Weight (without coolant) 8.5 kg
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