Tweco XTTM-300 - Manual (Page 75)

Manual 0-2912 A-1 APPENDIX
APPENDIX 1: ALTERNATE ARC VOLTAGE SETTINGS
The Arc Voltage in the Recommended Cutting Speed Charts is based on 50 ft (15.2 m) torch lead length. For other
lead lengths refer to the application and the lead length in the following chart to set the proper Arc Voltage.
Amperage
Voltage
Adjustment
15 4.6 - 2 v
25 7.6 - 2 v
75 22.9 + 2 v
100 30.5 + 3 v
15 4.6 - 4 v
25 7.6 - 3 v
75 22.9 + 3 v
100 30.5 + 5 v
15 4.6 - 5 v
25 7.6 - 4 v
75 22.9 + 4 v
100 30.5 + 7 v
15 4.6 - 7 v
25 7.6 - 5 v
75 22.9 + 5 v
100 30.5 + 10 v
100 Amps
Alternate Arc Voltage Settings
for HD3070 Power Supply
70 Amps
Lead Length
Feet Meter
50 Amps
30 Amps