Powermax 125 Air Plasma

Powermax 125 Air Plasma

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Maximum productivity
• Finish jobs faster with cut speeds 5 times greater than oxyfuel on 1/2" mild steel.
• Spend less time on grinding and edge preparation due to superior cut and gouge quality.
• Maximize your cutting time with 100% duty cycle.

Low operating costs
• Reduce costs with consumable life up to four times longer than other systems in this amperage range.
• Electrode end-of-life detection protects the torch and workpiece from damage by automatically stopping power when the electrode is overused.

Easy-to-use for cutting and gouging
• No need to change the air pressure. Smart Sense™ technology ensures that it is always correctly set.
• Tackle different jobs with multiple, easy-to-use torch styles.

Built and tested to withstand the harshest conditions
• Duramax® Hyamp™ torches are designed for high-impact and heat resistance.
• SpringStart™ technology ensures consistent starting and a more reliable torch.
• Low maintenance maximizes uptime.


Professional-grade plasma metal cutting and gouging system for handheld cutting 11/2" and mechanized piercing 1".

Duramax® Hyamp™ standard torch styles

  • 85° hand torch
  • 15° hand torch
  • 180° mini machine torch
  • 180° full-length machine torch
Input Voltages 480/600 V, 3-PH, 50/60 Hz
Kilowatt Output 21.9 kW
Input current @ 21.9 kW 480/600 V, 31/24 A
Output current 30–125 A
Rated output voltage 175 VDC
Duty cycle @ 104° F 100% @ 125 A, 480/600 V, 3-PH
Open circuit voltage (OCV) 320 VDC
Dimensions with handles 23.3" D; 10.8" W; 20.0" H
Weight w/25' torch 480 V 105.7 lbs
600 V 104.7 lbs
Gas supply Clean, dry, oil-free air or nitrogen
Recommended gas inlet flow rate/pressure Cutting: 260 l/min (550 scfh) @ 5.9 bar (85 psi)
Gouging: 212 l/min (450 scfh) @ 4.1 bar (60 psi)
Input power cable length 10'
Power supply type Inverter – IGBT
Engine drive requirement 40 kW for full 125 A output
Certifications CSA-certified for use in the Americas and Asia, except China.
Warranty Power supplies have a 3-year warranty and torches a 1-year warranty.