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The PROTIG 250 DC TRI is a 250 A three-phase TIG and MMA industrial welding power source with IP23 protection, designed for the toughest on-site conditions. With excellent arc stability, DC pulse capability and strong output performance, it delivers exceptional results even when welding materials with different thicknesses. Compact, robust and easy to transport, it is ideal for site welding, fabrication and industrial maintenance.
Package Includes
PROTIG 250 DC TRI power source (Ref. 082649) TIG26DB double-button torch – 4 m (with consumables box) Electrode holder – 4 m Earth cable – 4 m
This is ideal for:
Site work, outdoor fabrication, construction and maintenance Industrial TIG welding on steel, stainless steel and titanium Multi-thickness materials requiring stable arc control Thin sheet TIG welding using Pulse mode Vertical-up MMA welding (pipes / pipelines) Users needing a compact, rugged, three-phase TIG/MMA machine
What Does it Weld?
TIG DC: mild steel, stainless steel, titanium, copper & copper alloys MMA: rutile & basic electrodes up to Ø 4 mm MMA Pulse: ideal for vertical-up welds
Features
TIG DC current range: 5–250 A MMA current range: 10–220 A DC Standard TIG for smooth, stable welding DC Pulse up to 900 Hz for thin sheet (from 0.3 mm) and distortion control TIG spot modes:
Spot (0.1–25 s) Pulse spot (0.1–25 s) HF or Lift TIG ignition 2T / 4T / 4T LOG trigger modes Save up to 10 programs per process Advanced secondary regulation for maximum arc stability Current & voltage display during and after welding (DMOS/QMOS) Automatic torch detection (lamella & double-button compatible) Remote control compatible (hand remote / foot pedal) Reinforced body with anti-shock pads Intelligent fan management IP23 protection for outdoor use Compact & portable 14 kg design Generator compatible (±15%)
Technical Data
Input Voltage: 400 V three-phase TIG Current Range: 5–250 A MMA Current Range: 10–220 A TIG Duty Cycle @ 40°C:
190 A @ 60% 250 A @ 35% MMA Duty Cycle @ 40°C:
147 A @ 60% 168 A @ 35% TIG Pulse Frequency: 0.1–900 Hz MMA Pulse Frequency: 1–20 Hz Electrode Size: up to Ø 4 mm Dimensions: 43 × 24 × 35 cm Weight: 14 kg Protection Class: IP23 Standard: EN 60974-1 Torch Supplied: TIG26DB – 4 m
Why Buy the PROTIG 250 DC TRI?
The PROTIG 250 DC TRI is a rugged, high-performance TIG/MMA machine built for demanding industrial environments. With 250 A output, dual TIG spot modes, pulsed TIG/MMA, memory storage, remote-control compatibility and IP23 weather resistance, it provides exceptional reliability and control for both workshop and on-site welding.
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