Home CompareMillermatic 255 vs Maxstar 161 STH
Millermatic 255 vs Maxstar 161 STH
Same fields. Each cell is that model's published text. A blank stays "Not published by manufacturer." The outlet chip does not hide either column.
| Spec | Millermatic 255 | Maxstar 161 STH |
|---|---|---|
| Process | MIG (GMAW), pulsed MIG (GMAW-P), and flux-cored (FCAW). | Stick (SMAW), Lift-Arc TIG (GTAW), high-frequency TIG (GTAW), and pulsed TIG (GTAW-P). High frequency and pulse are marked STH model only. |
| Output amp range | 20–350 A. | 120 V: 5–130 A DC TIG and 20–90 A DC stick. 240 V: 5–160 A DC TIG and 20–160 A DC stick. |
| Rated duty cycle | 230 A at 25.5 V, 60% duty cycle. | TIG, 120 V: 90 A at 13.6 VDC, 100% duty cycle, and 130 A at 15.2 VDC, 30%. TIG, 240 V: 110 A at 14.4 VDC, 100%, and 160 A at 16.4 VDC, 20%. Stick, 120 V: 60 A at 22.4 VDC, 100%, and 90 A at 23.6 VDC, 30%. Stick, 240 V: 110 A at 24.4 VDC, 100%, and 160 A at 26.4 VDC, 20%. |
| Input voltage and plug | 208–240 V, single-phase. Auto-Line 208–575 V, single-phase. The quick specs do not print input amperes. | 120–240 V, 1-phase. Amps input at the higher duty-point ratings: TIG 22.6 A at 120 V and 15.05 A at 240 V; stick 23.16 A at 120 V and 22.55 A at 240 V. Separate 120 V and 240 V power cords are included. |
| Wire or rod size | Not published by manufacturer | Not published by manufacturer |
| Weight | Machine only: 84 lb. (38 kg). Machine with running gear: 148 lb. (67 kg). | 13 lb. (5.9 kg). |
| Material thickness | Not published by manufacturer | Not published by manufacturer |
Outlet check, Millermatic 255 · Outlet check, Maxstar 161 STH