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The ET 301i AC/DC is a high output, full digital control, AC/DC, Stick/Liftarc TIG/HF TIG, inverter power supply with expanded input voltage capabilities for maximum flexibility.
This unit is specially designed for precision TIG and Stick welding of all weldable materials. Superior, true square wave output combines with balance and cleaning features to deliver unbeatable welding performance with extended tungsten life on aluminum and magnesium alloys without the need for continuous high frequency.
| Power source weight without power cable, lb. (kg) | 35.9 (16.3) |
|---|---|
| Power source dimensions, L x W x H, in. (mm) | 19 x 7.25 x 13 (483 x 185 x 326) |
| Standards | CSA E60974-1, ANSI/IEC 60974-1 |
| Number of phases | 1/3 |
| Supply voltage, VAC – 1/3 ph | 208-230/460 +/-15% |
| Welding current range (Stick), A – 1 ph | 10 – 150 |
| Welding current range (Stick), A – 3 ph | 10 – 200 |
| Welding current range (TIG), A – 1 ph | 5 – 200 |
| Welding current range (TIG), A – 3 ph | 5 – 300 |
| Effective input current (I1eff), A (V) – 1 ph | 37.3 (208) 33.7 (230) 18.1 (460) |
| Effective input current (I1eff), A (V) – 3 ph | 23.8 (208) 21.6 (230) 11.6 (460) |
| Maximum input current (I1max), A (V) – 1 ph | 37.3 (208) 33.7 (230) 18.1 (460) |
| Maximum input current (I1max), A (V) – 3 ph | 35.4 (208) 32.0 (230) 17.2 (460) |
| Generator requirement, kW (kVA @ PF) | 13 (16 @ 0.8) |
| Stick (SMAW), A @ V (phase) | 150 @ 100% 26 (1) 200 @ 60% 28 (3) |
| Welding output 40ºC (104ºF), 10 min, A @ V (phase) | 165 @ 100% 26.6V (3) |
| TIG (GTAW), A @ V (phase) | 200 @ 60% 18 (1) 300 @ 30% 22 (3) |
| Welding output 40ºC (104ºF), 10 min, A @ V (phase) | 170 @ 100% 16.8 (1/3) |
| Open circuit voltage (VRD active), V | <113 |
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