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The PROTIG 231 DC FV is a compact, portable pulsed TIG DC inverter designed for professional use. Thanks to FV (Flexible Voltage) and PFC technology, it operates from 85 V to 265 V with a perfectly stable arc, even on 100 m extension leads. For MMA welding, its pulsed mode is especially effective for uphill/vertical welds (pipes and pipelines).
Package Includes
PROTIG 231 DC FV power source (Ref. 079311) TIG26B torch – 4 m Earth clamp – 2 m (25 mm²) Electrode holder – 2 m (25 mm²)
This is ideal for:
Site welding with long extension leads (up to 100 m) Pipework, boilermakers, maintenance engineers Thin sheet TIG (0.3 mm) and precision fabrication Vertical-up MMA welding with pulse Workshops needing stable TIG arc control Users wanting HF or Lift TIG start
What Does it Weld?
TIG DC: mild steel, stainless steel, titanium, copper, copper alloys MMA: rutile & basic electrodes up to Ø 5 mm MMA Pulse: ideal for uphill/vertical welds
Features
TIG DC current range: 10–230 A MMA current range: 10–200 A DC Standard TIG for smooth, stable welding DC Pulse up to 2 kHz for thin sheet (0.3 mm) and reduced distortion 2 TIG tacking modes:
2T / 4T / 4T LOG trigger controls Stores up to 50 programs per process Advanced secondary regulation for maximum arc stability Automatic torch detection (lamella, double-button, potentiometer, Up & Down) Connect remote controls without tools VRD function (internal switch) Generator compatible (±15%) Reinforced body with anti-shock feet Intelligent fan management Protected against overvoltage up to 400 V (PROTEC 400) Portable 10 kg design
Technical Data
Input Voltage: 85–265 V (Flexible Voltage FV) TIG Current Range: 10–230 A MMA Current Range: 10–200 A Duty Cycle @ 40°C TIG:
160 A @ 60% 230 A @ 23%
Duty Cycle @ 40°C MMA:
135 A @ 60% 200 A @ 25% TIG Pulse Frequency: 0.1–2000 Hz MMA Pulse Frequency: 0.4–500 Hz Open Circuit Voltage: 80 V (VRD < 35 V) Electrode Size: up to Ø 5 mm Dimensions: 41.5 × 20 × 32.5 cm Weight: 10 kg Protection Class: IP21 Standard: EN 60974-1 Torch Supplied: TIG26B – 4 m
Why Buy the PROTIG 231 DC FV?
The PROTIG 231 DC FV delivers high-end TIG and MMA performance with full pulsed capability, 50 memory slots, remote-control compatibility, and excellent arc stability even on long extension leads. With FV + PFC technology, it is perfect for on-site work, fabrication shops, and demanding precision tasks.
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