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Technical Specifications
NAME
INDEX
BUFFALO 405X
W000403561
BUFFALO 670X
W000403563
INPUT
Input Voltage U
1
Input Power at Rated Cycle
Frequency
405X
230 / 400V ± 10% Three Phase
34 kVA @ 35% Duty Cycle
50/60Hz
670X
54 kVA @ 35% Duty Cycle
RATED OUTPUT
Duty Cycle 40°C
(based on a 10 min. period)
Output Current
Output Voltage
405X
35% 400A
36.0
Vdc
60% 315A
33.0
Vdc
100% 240A
29.0
Vdc
670X
35% 670A
44.0
Vdc
60% 500A
40.0
Vdc
100% 400A
36.0
Vdc
OUTPUT RANGE
Welding Current Range
Maximum Open Circuit Voltage
405X
15A - 400A
78 Vdc
670X
15A - 670A
78 Vdc
RECOMMENDED INPUT CABLE AND FUSE SIZES
Fuse or Circuit Breaker Size
Input Power Cable
230V 400V
405X
63A Superlag
40A Superlag
4 Conductor, 6mm
2
670X
100A Superlag
63A Superlag
4 Conductor, 16mm
2
DIMENSION
Weight Height
Width
Length
405X
126 kg
670 mm
580 mm
1150 mm
670X
146 kg
Protection
Rating Operating
Temperature Storage Temperature
405X
IP23
from -10 ºC to +40 ºC
from -25 ºC to +55 ºC
670X
Summary of Contents for BUFFALO 405X
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