The Excellent Enterprises Plasma CUT-70 Three Phase MOSFET Inverter Cutting Machine is the mid-duty “sweet spot” cutter — the performance most fabrication shops actually need without overspending on an ultra-industrial system. Delivering 20–70A with clean cuts to 20mm (25mm severance) on conductive metals, it’s built for structural fabricators, sheet-metal processors, HVAC contractors and steel service centres.
Product Overview
A high-frequency MOSFET inverter platform produces a tightly concentrated, stiff plasma column — for straighter edges, lower kerf taper on thicker sections, cleaner undersides and reduced consumable wear. Running on 380–415V three-phase, it suits production cutting where throughput and edge quality matter.
Key Features
- 20–70A air-plasma output; 20mm clean / 25mm severance.
- Stiff MOSFET arc for edge straightness and lower taper.
- HF pilot-arc non-contact start — painted/rusted/coated metal, longer consumable life.
- Cuts mild steel, stainless, aluminium, copper, brass.
- 60% duty; industrial cooling + automatic protection.
Benefits
Less cleanup, less correction, faster dispatch — the practical economics of a stiff mid-duty arc. Three-phase input gives stable cutting under production load; HF pilot arc keeps real-world (coated/rusty) material productive.
Technical Specifications
| Specification | Details |
|---|---|
| Model | Plasma CUT-70 |
| Technology | MOSFET Inverter |
| Method | Air Plasma Cutting |
| Input Voltage | AC 380–415V ±15% |
| Phase | Three Phase |
| Output Current | 20A – 70A |
| Clean Cut | Up to 20mm |
| Severance Cut | Up to 25mm |
| Air Consumption / Pressure | 180–200 L/min @ 4.5–5 Bar |
| Arc Start | HF Pilot Arc |
| Duty Cycle | 60% (DATA REQUIRED: confirm rated amperage) |
| Compatible Metals | Mild Steel / Stainless / Aluminium / Copper / Brass |
Materials & Construction
MOSFET-inverter enclosure with control panel and industrial cooling for production duty. (DATA REQUIRED: weight, dimensions, IP, torch.)
Applications
Structural steel fabrication; plate profile cutting; gate & railing manufacturing; HVAC duct fabrication; pipeline spool preparation; metal-processing workshops; steel service centres; construction-site cutting; sheet-metal production.
Industries Served
Structural fabrication · sheet metal/HVAC · steel service centres · pipeline prep · construction · metal processing.
Buying Considerations
- Compressor (key): sustain ~180–200 L/min @4.5–5 bar (≈3 HP+ with a tank, clean dry air); confirm at quote.
- What’s included: torch (+cable length) + starter consumables (DATA REQUIRED).
- CUT-70 vs CUT-40 vs CUT-100: down for light/portable single-phase; up for heavy/CNC 30mm.
- CNC: suitable for professional cutting; CNC integration depends on torch/control configuration.
Why Choose Excellent Enterprises
ISO 9001:2015-certified, ISI-compliant supplier, 500+ clients since 1997 (29+ years). Genuine, warranty-backed machines, bulk pricing, PAN-India delivery, GST invoicing, OEM/export support, 30-minute quote response.
Maintenance
Drain compressor moisture; clean dry air only; replace electrode/nozzle on wear; keep swirl ring clear; inspect torch o-rings; clear cooling vents.
Safety Considerations
Correct-shade goggles/shield, FR clothing, gloves; fume extraction; dry footing; verified earthing/work-clamp; follow site procedures.
Frequently Asked Questions
What is the Plasma CUT-70 used for? Mid-duty air-plasma cutting to 20mm (25mm severance) — structural steel, plate profiles, HVAC ducts, pipeline spools — on three-phase 380–415V. What compressor does it need? ~180–200 L/min at 4.5–5 bar — a ~3 HP+ compressor with a tank and clean, dry air. CUT-70 or CUT-40 or CUT-100? CUT-40 light/portable single-phase; CUT-70 mid-duty three-phase; CUT-100 heavy/CNC 30mm IGBT. Does it cut coated/rusted metal? Yes — HF pilot-arc starts without contact across painted, oxidised and coated surfaces. Is it CNC compatible? Suitable for professional cutting; CNC integration depends on torch/control setup. What’s the duty cycle? 60% (confirm rated amperage), with industrial cooling.
Conclusion & RFQ CTA
The Plasma CUT-70 is the mid-duty 70A three-phase air-plasma cutter that fits most fabrication shops — from an ISO 9001:2015 supplier with 29+ years’ experience. Request a quote for price, torch/consumables, recommended compressor and PAN-India delivery.
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