TIG Welder GYS Protig 231L DC PFC Single Phase with Cooling and TIG 20B 4m
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- Pulse TIG DC welding with integrated cooling unit, operates 195 V to 265 V with PFC technology
- MMA Pulse mode up to 500 Hz for vertical welds; DC Pulse TIG up to 2 kHz for thin materials from 0.3 mm
- Stores 50 programs per process, HF or LIFT ignition, compatible with multiple torch types

The PROTIG 231L DC PFC is a single-phase pulse TIG DC welding power source with integrated cooling unit. PFC technology enables stable operation from 195 V to 265 V, even with extension leads up to 100 m long. It offers both TIG DC and MMA welding processes with pulse capabilities for enhanced control.
Features
- TIG DC with pulse mode up to 2 kHz to control weld pool temperature and limit distortion
- Compatible with workpieces as thin as 0.3 mm when using DC Pulse
- MMA Pulse mode up to 500 Hz for ascending vertical welds on pipes and pipelines
- Two tacking modes: spot (0.1 to 60 seconds) and pulse (0.01 to 60 seconds)
- Two ignition types: contactless HF or contact LIFT for electro-sensitive environments
- Three trigger controls: 2T, 4T and 4T LOG
- Stores up to 50 programs per process for recurring tasks
- Automatic torch detection compatible with lamella, double button, potentiometer and Up and Down torches
- Current and voltage display during and after welding
- VRD can be activated to reduce open-circuit output voltage to less than 35 V
- Intelligent fan management to reduce power consumption, dust ingress and noise
- Protected against overvoltage up to 400 V
- Reinforced body and anti-shock feet for on-site portability
| Specification | Value |
|---|---|
| Input voltage | 230 V single phase |
| Input frequency | 50/60 Hz |
| TIG DC welding current | 10 to 230 A |
| TIG DC pulse frequency | Up to 2 kHz |
| MMA welding current | 10 to 200 A |
| MMA pulse frequency | Up to 500 Hz |
| Cooling unit capacity | 1.25 L |
| Cooling unit output | 400 W |
| Torch cable length | 4 m |
| Torch cable cross-section | 25 mm² |
| Ground cable length | 2 m |
| Ground cable cross-section | 25 mm² |
| Weight | 16.7 kg |
| IP rating | IP 21 |
| Brand | GYS |
| Cooling | Water Cooled |
| Enclosure Rating | IP21 / IP21S |
| Pulse Welding | Pulse |
| Power Source | Workshop 230V/240V (Single-Phase) |
| Applications | Heavy Fabrication (210-300A) |
| Duty Rating | Heavy Duty (60-100%) |
| Portability | Compact / Carry Handle |
| Ignition Type | HF, Lift |
| TIG Duty Cycle | 100% at 230A |
| Welding Process | MMA, TIG |
GYS-079335 Datasheet
Download PDFGYS-079335 Manual
Download PDFGYS-079335 Certificate
Download PDFA carriage charge is applied to orders, for standard 1-2 day shipments to mainland destinations within the United Kingdom. Other destinations and premium services are available but subject to additional freight charges.
TIG Welder GYS Protig 231L DC PFC Single Phase with Cooling and TIG 20B 4m Get in touch
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