TOC
TOC
INSTALLATION |
TECHNICAL SPECIFICATIONS – SQUARE WAVE TIG 255
INPUT - SINGLE PHASE ONLY
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Standard
Voltage
208/230/460/1/60
230/460/575/1/60
200/240/400/1/50/60
220/380/440/1/50/60
380/415/500/1/50/60
220/380/415/1/50/60
Duty Cycle
40% Duty Cycle
NEMA Class II (40)
60% Duty Cycle
100% Duty Cycle
Welding Current Range
(Continuous)
AC and DC
Input Current at
Rated Output (1)
81/74/37
74/37/30
85/77/44
77/45/39
45/41/33
77/45/41
RATED OUTPUT
Amps
255
200
150
OUTPUT
Constant Open
Circuit Voltage
Stick OCV: 76
TIG OCV: 53
Code
Number
10022
10023
10024
10025
10026
10134
Volts at Rated Amperes
30
28
26
Auxiliary Power
115 Volts AC, 10 Amps
220Volts AC, 2 Amps
(50/60 Hz. machines only)
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RECOMMENDED INPUT WIRE AND FUSE SIZES
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| For all Stick, DC TIG, and Balanced AC TIG |
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| For Unbalanced AC TIG Welding Above 180 |
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| Welding at 255A/30V/40% Duty Cycle |
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| Amps, 255A/16V/40% Duty Cycle, Auto |
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| Based on the 1993 US. National |
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| Balance Based on the 1993 U.S. National |
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| Electrical Code |
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| Electrical Code |
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| Type 75°C |
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| Type 75°C |
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| Fuse |
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| Input |
| Type 75°C |
| Copper Ground |
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| Type 75°C |
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| Copper Ground |
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| Input |
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| (Super Lag) |
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| Ampere |
| Copper Wire in |
| Wire in Conduit |
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| Copper Wire in |
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| Wire in Conduit |
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| Voltage / |
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| or Breaker |
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| Rating on |
| Conduit AWG |
| AWG (IEC) |
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| Input |
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| Conduit AWG |
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| AWG (IEC) |
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| Frequency |
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| Size |
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| Nameplate |
| (IEC) Sizes |
| Sizes |
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| Amperes |
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| (IEC) Sizes |
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| Sizes |
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| 208/60 |
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| 125 |
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| 81 |
| 6 (16mm2) |
| 6 (16mm2) |
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| 102 |
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| 4 (25mm2) |
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| 6 (16mm2) |
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| 230/60 |
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| 100 |
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| 74 |
| 6 (16mm2) |
| 8 (10mm2) |
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| 92 |
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| 4 (25mm2) |
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| 6 (16mm2) |
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| 460/60 |
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| 50 |
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| 37 |
| 10 (6mm2) |
| 10 (6mm2) |
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| 46 |
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| 8 (10mm2) |
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| 10 (6mm2) |
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| 575/60 |
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| 50 |
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| 30 |
| 10 (6mm2) |
| 10 (6mm2) |
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| 37 |
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| 10 (6mm2) |
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| 10 (6mm2) |
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| 200/50/60 |
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| 125 |
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| 85 |
| 6 (16mm2) |
| 6 (16mm2) |
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| 105 |
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| 4 (25mm2) |
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| 6 (16mm2) |
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| 220/50/60 |
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| 100 |
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| 77 |
| 6 (16mm2) |
| 8 (10mm2) |
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| 96 |
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| 4 (25mm2) |
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| 8 (10mm2) |
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| 380/50/60 |
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| 70 |
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| 46 |
| 8 (10mm2) |
| 8 (10mm2) |
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| 55 |
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| 8 (10mm2) |
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| 8 (10mm2) |
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| 400/50/60 |
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| 60 |
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| 43 |
| 10 (6mm2) |
| 10 (6mm2) |
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| 53 |
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| 8 (10mm2) |
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| 10 (6mm2) |
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| 415/50/60 |
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| 60 |
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| 41 |
| 10 (6mm2) |
| 10 (6mm2) |
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| 51 |
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| 8 (10mm2) |
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| 10 (6mm2) |
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| 440/50/60 |
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| 60 |
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| 39 |
| 10 (6mm2) |
| 10 (6mm2) |
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| 48 |
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| 8 (10mm2) |
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| 10 (6mm2) |
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| 500/50/60 |
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| 50 |
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| 34 |
| 10 (6mm2) |
| 10 (6mm2) |
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| 42 |
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| 10 (6mm2) |
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| 10 (6mm2) |
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PHYSICAL DIMENSIONS
Height | Width | Depth | Weight |
30.5 in. | 19.0 in. | 30.0 in. |
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| (Lift bail, add 3.5 in) |
| 300 lbs |
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| (137 kg) |
775 mm | 485 mm | 760 mm |
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(Lift bail, add 90 mm)
(1) Unbalanced TIG welding above 180 amps will draw higher input currents; see Supply Connections section.