Powermax 800 (DISCONTINUED): Upgrade Guide & Replacements
The Powermax800 50-amp plasma cutter power supply was last produced by Hypertherm in 1998, and is no longer available. Effective January 2021, Hypertherm no longer supports this model and no longer manufactures parts and consumables for this system.
The Powermax 800 is succeeded by the Powermax 65, a versatile machine for heavy-duty cutting and gouging. The Powermax 65 features the latest technical innovations, including Smart Sense technology for automatic gas pressure adjustments. This new system is compatible with hand cutting or gouging, portable automation, X-Y tables, and robotic cutting and gouging.
Powermax 800 Documents & Manuals:

The Powermax line of plasma cutters by Hypertherm is well-known to professional welders and is perfect for demanding environments. See our Hypertherm Powermax product comparison page for help choosing the right model, or see the chart below.
Product | 30XP | 45XP | 65 | 85 | 105 | 125 |
---|---|---|---|---|---|---|
Variations | Plasma System | 25ft hand Torch | 25ft Hand System | With CPC Port | Plasma Cutter | |
50ft Hand Torch | 50ft Hand System | |||||
Price | $ | $$ | $$$ | $$$$ | $$$$$ | $$$$$$ |
Piercing Capacity | Up to 5/8" | 5/8" | 5/8" | 3/4" | 7/8" | 1" |
Output Current | 15-30A | 10–45A | 20–65A | 25–85A | 30–105A | 30–125A |
Duty Cycle* |
20% 120V |
80% | 80% | 80% | 80% | 100% @ 125A |
35% 240V |
80% | 80% | 80% | 80% | 100% @ 125A | |
Weight | 21 lbs | 31 lbs (20' torch) | 64 lbs (25' torch) | 71 lbs (25' torch) | 100 lbs (25' torch) | 106 lbs (25' torch) |
Power Supply | IGBT Inverter | IGBT Inverter | IGBT Inverter | IGBT Inverter | IGBT Inverter | IGBT Inverter |
*This is a generalized number. Below are the full specs for duty cycles by model at 104°F, except for 30XP which is properly reflected in the table.
Powermax 45XP
- 50% @ 45 A, 200–240 V, 1PH
- 60% @ 41 A, 200–240 V, 1PH
- 100% @ 32 A, 200–240 V, 1PH
- 50% @ 45 A, 480 V, 3PH
- 60% @ 41 A, 480 V, 3PH
- 100% @ 32 A, 480 V, 3PH
Powermax 65
- 50% @ 65 A, 230–600 V, 1/3PH
- 40% @ 65 A, 200–208 V, 1/3PH
- 100% @ 46 A, 230–600 V, 1/3PH
Powermax 85
- 60% @ 85 A, 230–600 V, 3PH
- 60% @ 85 A, 480 V, 1PH
- 50% @ 85 A 240 V, 1PH
- 50% @ 85 A, 200–208 V, 3PH
- 40% @ 85 A, 200–208 V, 1PH
- 100% @ 66 A, 230–600 V, 1/3PH
Powermax 105
- 70% @ 105 A, 240 V, 3PH
- 80% @ 105 A, 480–600 V, 3PH
- 100% @ 94 A, 480–600 V, 3PH
- 100% @ 88 A, 240 V, 3PH
Powermax 125
- 100% @ 125 A, 480/600 V, 3PH
See Also: Hypertherm Powermax 30 AIR (with