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| Item | 1/3 Phase Multi-Process Welder | |
| Series | ArcMaster 400 MST | |
| Phase | 1/3 | |
| Amps AC | 5 to 400 | |
| Input Voltage | 208-230/460 | |
| Rated Output | 400A/36V @ 25% (3-Phase) 300A/32V @ 60% (3-Phase) 300A/32V @ 25% (1-Phase) | |
| OCV | 69 | |
| Hz | 50/60 | |
| Features | Smart Logic, Programmable, Warning Code Circuitry, Voltage Reduction Device (VRD) | |
| Application | DC Multi Process Inverter Welding Power Supply For Light Industrial Applications | |
| Function | Power supply supports Stick, Lift TIG, and MIG welding process as well as Arc Gouging | |
| Overall Height (In.) | 16.5 | |
| Overall Width (In.) | 8.3 | |
| Overall Depth (In.) | 18 | |
| Standards | IEC 974-1, IP23S | |
| Includes | Accessory packages available separately |
** The "Usually Ships" reflects when an item is generally expected to ship from Grainger based on its stocking location. Real-time availability information will be shown during the checkout process and on the e-mail order confirmation (for U.S. and Puerto Rico - US customers only). Please allow additional delivery time for international orders.
