Fronius 3100 CSA, Operating Instructions/Spare Parts List

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Power source
VST 3100/3100
CSA
VST 3100 VST 3100 CSA
Mains voltage 3x230/400 V 3x230/400/440 V
Mains voltage tolerance +/- 10 % +/- 10 %
Power frequency 50/60 Hz 50/60 Hz
Mains fuse protection (slow-blow) 20 A 20 A
Primary continuous current
(100 % d.c.)
6.9 A (400 V) 5.35 A (440 V)
Primary continuous power
(100 % d.c.)
4.7 kVA 4.06 kVA
Cos phi 0.95 (150 A) 0.94 (310 A)
Degree of efficiency 78% (310 A) 78 % (310 A)
Welding current range 20 - 310 A 20 - 310 A
Welding current at 10 min/40°C (104°F)
18 % d.c.
- -
27 % d.c. - -
30 % d.c. 310 A 310 A
60 % d.c. 190 A 190 A
100 % d.c. 140 A 140 A
Welding voltage range 15.0 - 29.5 V 15.0 - 29.5 V
Open-circuit voltage 46 V 45 V
Number of switch stages 15 15
Choke draw-offs 2 (3 for CO2) 2
Protection IP 21 IP 21
Marks of conformity CE CE, CSA
Safety S S
Dimensions lxbxh 800x380x680mm 800x380x680mm
31.5x15x26.8 in. 31.5x15x26.8 in.
Weight 92 kg 92 kg
202.9 lb. 202.9 lb.