Hypertherm XPR300
Key Specifications
output current
rated output power
cut capacity mild steel production
cut capacity mild steel severance
cut capacity stainless production
cut capacity aluminum production
How much does the Hypertherm XPR300 cost?
Estimated price range
Our best estimate for a cnc plasma cutting in this class — not a quote from Hypertherm. Configuration moves it a long way.
Overview
The Hypertherm XPR300 is a 300 A plasma power source for CNC cutting tables, rated for production cutting of 50 mm (2 in) mild steel and 38 mm (1-1/2 in) stainless steel or aluminum. It delivers 66.5 kW of output power at a 100% duty cycle, rated at 40° C (104° F).
Read the pierce figures next to the production figures, material by material. In stainless steel and in aluminum the pierce capacity is 38 mm (1–1/2 in), equal to the production capacity, so the whole rated range can be started inside the plate. In mild steel the pierce capacity is 45 mm (1–3/4 in) against 50 mm (2 in) of production capacity. Only the top few millimetres of the mild steel range call for an edge start.
Beyond production thickness there is a severance capacity of 80 mm (3-1/8 in) in mild steel. That figure describes parting the plate, and it belongs to occasional heavy sections, not to daily work.
Gas supply is handled by an Auto-Gas system with up to 6 gas lines. Hypertherm lists consumable life as 2–4x that of its HPR systems. Open circuit voltage is 360 VDC and output voltage spans 50 VDC–210 VDC. For shops whose plate stays thinner, the XPR170 is listed at 170 A and has its own page.
Full Specifications
| Parameter | Value |
|---|---|
| Output Current | 300 A |
| Rated Output Power | 300 A at 150 V (45 kW) |
| Cut Capacity Mild Steel Production | 50 mm (2 in) |
| Cut Capacity Mild Steel Severance | 80 mm (3-1/8 in) |
| Cut Capacity Stainless Production | 38 mm (1-1/2 in) |
| Cut Capacity Aluminum Production | 38 mm (1-1/2 in) |
| Gas System | Auto-Gas, up to 6 gas lines |
| Consumable Life Vs Hpr | 2–4x longer (cartridge system) |
| Open Circuit Voltage | 360 VDC |
| Output Power | 66.5 kW |
| Output Voltage | 50 VDC–210 VDC |
| Duty Cycle | 100% at 66.5 kW, 40° C (104° F) |
| Pierce Capacity Mild Steel | 45 mm (1–3/4 in) |
| Pierce Capacity Stainless Steel | 38 mm (1–1/2 in) |
| Pierce Capacity Aluminum | 38 mm (1–1/2 in) |
Specifications sourced from hypertherm.com — verified 2026-10-03
Strengths & Limitations
Strengths
- 66.5 kW of output power at a 100% duty cycle, rated at 40° C (104° F)
- Production capacity of 50 mm (2 in) in mild steel and 38 mm (1-1/2 in) in stainless steel and aluminum
- Stainless steel and aluminum pierce capacity of 38 mm (1–1/2 in) matches their production capacity
- Mild steel pierce capacity of 45 mm (1–3/4 in)
- Auto-Gas system with up to 6 gas lines
- Consumable life listed as 2–4x that of HPR systems
Limitations
- Mild steel between the 45 mm (1–3/4 in) pierce capacity and the 50 mm (2 in) production capacity needs an edge start
- Stainless steel and aluminum production capacity is 38 mm (1-1/2 in), below the 50 mm (2 in) mild steel figure
- The 80 mm (3-1/8 in) mild steel figure is severance, not production cutting
- No input voltage, weight or dimensions are in the table, so installation planning needs Hypertherm's own documents
Best For
Frequently Asked Questions
01
Production capacity is 50 mm (2 in) in mild steel and 38 mm (1-1/2 in) in both stainless steel and aluminum. Mild steel severance capacity is 80 mm (3-1/8 in), which is the limit for parting plate and not a production figure.
02
45 mm (1–3/4 in) in mild steel, 38 mm (1–1/2 in) in stainless steel and 38 mm (1–1/2 in) in aluminum. For stainless steel and aluminum that equals the production capacity, so any plate the system is rated to cut in those metals can also be pierced.
03
100% at 66.5 kW, rated at 40° C (104° F). The power source is rated to run at full output without rest periods at that ambient temperature. Output current is 300 A, open circuit voltage is 360 VDC and the output voltage range is 50 VDC–210 VDC.
04
The XPR300 is a 300 A source with 66.5 kW of output power and a mild steel production capacity of 50 mm (2 in). The XPR170 is listed at 170 A and 35.7 kW, with a mild steel rating of 1-1/2 in (38 mm). Both have a 360 VDC open circuit voltage.
05
The gas system row lists Auto-Gas with up to 6 gas lines. The table for this page does not name the individual gases, so confirm the plasma and shield gases for each material from Hypertherm's cut charts when planning the supply.
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