3 TECHNICAL DATA
0449 501 201
- 8 -
© ESAB AB 2018
3 TECHNICAL DATA
LAF 631
Mains connection 380/400/415 V 3~50 Hz
440 V 3~60 Hz
Primary current I
max
:
SAW 69 A
MIG 69 A
Values of the conventional load:
SAW (duty cycle at 40 °C ambient temperature)
60% 800 A, 44 V
100% 630 A, 44 V
MIG (duty cycle at 40 °C ambient temperature)
60% 800 A, 44 V
100% 630 A, 44 V
Setting range:
SAW 60 A / 22 V – 800 A / 44 V
MIG 75 A / 18 V – 800 A / 44 V
No-load voltage (U
0
)
56 V
No-load power 172 W
Efficiency at max current (I
2
):
SAW 84%
MIG 84%
Power factor at max current (I
2
):
SAW 0.91
MIG 0.91
Apparent power at max current (I
2
)
46.4 kVA
Active power at max current (I
2
)
42 kW
S
sc min
(MVA)
5.6 MVA
Working temperature -10 °C to +40 °C
Continual sound pressure at no-load <70 dB(A)
Weight (in delivery mode) 260 kg
Dimensions L × W × H 652 × 483 × 800 mm
652 × 483 × 916 mm (including foot)
Insulation class (transformer) H
Enclosure class IP 23
Application class
Restrictive use Class A