K5420-1

The Weld-Pak® 45i Plasma DV is a lightweight (25 lbs), dual-voltage plasma cutter built for versatility.  Designed for portability, it features a built-in toolbox for cable storage. With 45 amps of power, it easily cuts thick or expanded metal, making it ideal for farms, HVAC, autobody shops, contractors, fabricators, and homeowners. The touch-start arc ensures reliable ignition without high-frequency issues, while the Parts-in-Place™ system guarantees proper setup. Just connect compressed air, grab the torch, and start cutting.

  • Features
  • LED Display
  • Continuous Output Control
  • Touch Start System
  • Top Storage Compartment
  • Lightweight & Portable
  • Dual Voltage
Product image
  1. Controls
  2. Handle
  3. Main Control Knob
  4. Cut Mode Indicator LEDs
  5. Cut Mode Button
  6. Workpiece Lead Connection
  7. Plasma Torch Connection
  8. On/Off Switch
  9. Input Cord
  10. Cooling Fan
  11. Compressed Air Connection
Product image
Product Name Product Number Input Power Voltage/Phase/Hertz Rated Output Current/Voltage/Duty Cycle Recommended Circuit Breaker Output Range Gas Pressure Required Gas Flow Rate Dimensions H x W x D in (mm) Net Weight lb (kg)
45i PLASMA DV K5420-1 230/120/1/50/60 230 V
32A / 92.8V / 100%
41A / 96.4V / 60%
45A / 98V / 50%
120 V
32A / 92.8V / 100%
15A / 86V / 100%
16A / 86.4V / 60%
20A / 88V / 20%
230 V – 30 A
120 V – 20 A
15-45A 80 to 130 psi
(6-9 bar)
70psi @ 125- 200SCFH (5 Bar @ 80 Liters/min) 13.7 (349) 8.5 (216) 17 (432) 25.9 (11.8)
Another closeup of the 45i outside Cut performance infographic Worker using the 45i outside Different angle closeup of the 45i outside

  • Farm
  • Home
  • HVAC/Plumbing
  • Fabrication Shop
  • Contractors
  • Metal Fabrication
  • Hobby and Home
  • Automotive
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