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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.
GYS welders come with a 2-year warranty covering manufacturing defects. Register your product to activate the warranty.
Are GYS welders suitable for professional use?
Yes, GYS welders are designed for professional and industrial applications, offering durability and advanced features for demanding tasks.
What power supply do GYS welders require?
GYS welders operate on 230V single-phase or 400V three-phase power, depending on the model. Check product specifications for details.
What materials can I weld with a GYS welder?
GYS welders are suitable for welding steel, stainless steel, and aluminium. Material compatibility depends on the model and welding process.
What is the duty cycle on a GYS welder?
Duty cycles vary by model. For example, the GYS AUTOPULSE 320-T3 has a duty cycle of 320A at 60%. Refer to the specifications for details.
How energy efficient are GYS welders?
GYS welders utilise inverter technology for energy efficiency, reducing power consumption while maintaining performance.
Does Premier Welding offer financing options for GYS welders?
Yes, Premier Welding offers 0% APR financing through PayPal for orders over £99, providing flexible payment options.
How do I choose the right GYS welder for my needs?
Select a GYS welder based on material type, welding process, and thickness. Consult our team for expert guidance.
What length of welding cable comes with GYS welders?
Standard machines include 3 m torch leads and 2 m electrode cables; extensions are available.
Do GYS welders support pulse welding?
Pulse MIG functions are available on selected models for enhanced weld bead control.
What cooling methods are used in GYS inverters?
Air cooled designs with variable speed fans reduce noise and run on demand.
Are GYS welders compatible with external wire feeders?
Dedicated feeder ports on MIG models allow use of high capacity external wire feeders.
Can GYS machines operate on both MMA and TIG?
Multi process models switch between MMA (stick) and TIG modes via a single control knob.
What digital interface features do GYS welders have?
Integrated LCD panels display voltage current and error codes for diagnostics.
What is a multiprocess welder?
A multiprocess welder is a versatile welding machine that can perform various welding techniques, such as MIG, TIG, and stick welding, all in one unit. This flexibility makes it ideal for different projects, allowing users to switch processes easily as needed.
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