Donegal Gas & Welding Equipment Ltd
Port Road
Letterkenny
Co. Donegal
Ireland
Contact us today:
Tel:+353 (0)74 912 5777
TIG Welding Equipment

Manufactured around well proven technology, the compact and easily transportable Tradestig DC150-1 and DC200-1 provide both guaranteed reliability and a quality TIG and MMA weld performance. For TIG welding, both machines are equipped with HF and LiftArc TM ignition for accurate start procedures and post gas and slope functions for high quality weld start and finish. For MMA welding, starts are enhanced by automatic hot start or ArcPlus TM functions which are standard on both machines.
- Sturdy design capable of withstanding tough environmentsCapable of welding most materials in thickness' ranging from 0.5-6mm
- Compact and easily transported using the conveniently located carrying handle
- IP23 protection ensures suitability for outdoor use
- Two modes of arc initiation, HF and lift arc
- Torch switch latching facility
- Multifunction digital display
- Timed current slope and post gas functions
- Superb MMA welding characteristics
- Packages supplied with Tradestig Power Source, TIG torch and switch, work return cable, flowmeter and regulator
Technical Data | DC150-1 | DC200-1 |
Mains Supply/Phase | 230/1 50/60Hz | 230/1 50/60Hz |
Fuse (slow), A at 120A | 16A | 16A |
Mains Cable (mm2) | 2.5 | 4.0 |
Permitted Load at (TIG) | ||
25% duty cycle | 200A (150A MMA) | |
35% duty cycle | 150A | 180A (150A MMA) |
60% duty cycle | 120A | 140A (150A MMA) |
100% duty cycle | 95A | 120A |
Setting range TIG, A | 3-150 | 3-200 |
Setting range MMA, A | 4-150 | 4-150 |
Open circuit voltage, V | 60-75 | 60-75 |
Post Gas, sec | 0-5 | 0-5 |
Slope down, sec | 0-10 | 0-10 |
Enclosure Class | IP23C | IP23C |
Application classification | S | S |
Standards | IEC60974-1 EN50199 |
IEC60974-1 EN50199 |
Dimensions | ||
L x W x D mm | 380 x 180 x 300 | 380 x 180 x 300 |
Weight kg | 8.2 | 8.2 |
Ordering Information
Tradestig DC 150-1 Package 1416528
Tradestig DC 200-1 Package 1416529
Associated Products
Tradestig DC150-1 Power Source 459760881
Tradestig DC200-1 Power Source 459760883
TG153 TIG Torch 1415515
TG203 3.8m TIG Torch 1415022
TG203 7.8m TIG Torch 1415023
TG203 Adaptor 590046880
Saffire 300 Ar2 Regulator 1282689
Flowmeter WP0100
TG153 Accessory Kit 1410208
TG203 Accessory Kit 1410207
Transtig DC150-1 & DC200-1

The distinctive design of the latest Transtig is the key to the ability of these machines to survive in the toughest of industrial environments. IP23 protection ensures their suitability for outdoor usage. These machines also offer an array of features, which together, ensure the highest possible TIG and MMA welding performance from machines of this class. Transtigs can also be programmed with up to four sets of welding parameters, two for TIG and two for MMA.
- Sturdy design capable of withstanding tough environments
- Fully featured professional welding machines
- Superb TIG and MMA welding characteristics
- Multifunction digital display enables accurate presetting
- Adjustable current slope and gas time functions
- Pulsed DC TIG functions
- Facility for memorising and storing parameters
- High frequency or lift arc ignitions
- Full remote functions for foot control etc
- Packages supplied with Transtig Power Source, TIG torch, work return cable, regulator and flowmeter
Technical Data | DC150-1 | DC200-1 |
Mains Supply/Phase | 230/1 50/60Hz | 230/1 50/60Hz |
Fuse (slow), A at 120A | 16A | 16A |
Mains Cable (mm2) | 2.5 | 4.0 |
Permitted Load at (TIG) | ||
25% duty cycle | 200A (150A MMA) | |
35% duty cycle | 150A | 180A (150A MMA) |
60% duty cycle | 120A | 140A (150A MMA) |
100% duty cycle | 95A | 120A |
Setting range TIG, A | 3-150 | 3-200 |
Setting range MMA, A | 4-150 | 4-150 |
Open circuit voltage, V | 60-75 | 60-75 |
Post Gas, sec | 0-5 | 0-5 |
Slope down, sec | 0-10 | 0-10 |
Enclosure Class | IP23C | IP23C |
Application classification | S | S |
Standards | IEC60974-1 EN50199 |
IEC60974-1 EN50199 |
Dimensions | ||
L x W x D mm | 380 x 180 x 300 | 380 x 180 x 300 |
Weight kg | 8.2 | 8.2 |
Ordering Information
Transtig DC 150-1 Package 1416530
Transtig DC 200-1 Package 1416531
Associated Products
Transtig DC150-1 Power Source 459760893
Transtig DC200-1 Power Source 459760894
TG153 TIG Torch 1415515
TG203 3.8m TIG Torch 1415022
TG203 7.8m TIG Torch 1415023
TG203 Adaptor 590046880
Saffire 300 Ar2 Regulator 1282689
Flowmeter 603457
TG153 Accessory Kit 1410208
TG203 Accessory Kit 1410207
FS002 Foot Control 349090886
Transtig AC/DC 201iS, 203iS, 253iS & 353iS

The Murex Industry Transtig AC/DC family provide the best in TIG or MMA welding in either AC or DC process modes. Based on high frequency switching inverter technology, in combination with a software driven micro-processor based controller, they provide the ultimate in precision adjustment and control of welding parameters, and superb AC or DC performance.
With a host of benefits like AC TIG without the need for continuous HF for arc maintenance, balanced electricity supply line draw, high efficiency and power factor, full pulsing facilities, digital metering of both welding current and voltage etc these machines offer unrivalled excellence.
The Transtig AC/DC201iS, 203iS, 253iS and 353iS are designed, manufactured and fully tested to meet with the requirements of BSEN60974-1 "Safety Requirements for Arc Welding Power Sources" and also comply with BSEN50199 covering Electromagnetic Compatibility.
- State of the art 200A or 350A rated MIG/TIG equipment
- AC/DC201iS operates from single phase 240V, 203i, 253iS &353iS use balanced 3 phase 415V supplies
- Unsurpassed welding characteristics and performance AC or DC
- Preset digital setting of all welding parameters, current, slopes and pulsing detail etc
- High visibility LED display of welding voltage, current, times, frequencies etc
- Powerful non-contact or lift-arc TIG arc initiation
- Both balance and frequency control for AC TIG
- Run all types of MMA electrodes (AC or DC running types) including cellulosics
- Full remote control facilities with variable start point current
- Optional TWCU TIG torch water cooler with audible low flow alarm.
- Optional Transtig Trolley unit to carry power source, water cooler and gas cylinder
- Comply fully with all new safety directives - Low Voltage, EMC etc.

Technical Specification | ||||
Input | AC/DC 201iS | AC/DC 203iS | AC/DC 253iS | AC/DC 353iS |
Mains Supply | 220-240V, 1-Phase, 50/60Hz | 400-440V, 3-Phase, 50/60Hz | 400-440V, 3-Phase, 50/60Hz | 400-440V, 3-Phase, 50/60Hz |
Fuses | 16A slow (30A for full MMA) | 3x16A slow | 3x252A slow | 3x32A slow |
KVA | 5.6 (4.5kW) | 6 (5.4kW) | 11 (9kW) | 14 (13kW) |
P.F. | 0.9 | 0.9 | 0.8 | 0.9 |
Output | ||||
Current Range | 4-200A | 4-200A | 4-250A | 4-350A |
TIG Rating | 200A 35% duty 160A 60% 135A 100% |
200A 40% duty 160A 60% 135A 100% |
250A 35% duty 160A 60% 135A 100% |
320A 35% duty 250A 60% 190A 100% |
MMA Rating | 190A 35% duty 150A 60% |
190A 35% duty 150A 60% |
250A 35% duty 210A 60% |
320A 35% duty 250A 60% |
O.C.V. (MAX) | 65V | 65V | 65V | 65V |
AC Frequency | 20-200 Hz | 20-200 Hz | 20-200 Hz | 20-200Hz |
AC Balance | 10-90% | 10-90% | 10-90% | 10-90% |
Pulse Mode Frequency | 0.4 - 300 Hz DC 0.4 - 2 Hz AC |
0.4 - 300Hz DC 0.4 - 2 Hz AC |
0.4 - 300 Hz DC 0.4 2 Hz AC |
0.4 - 300 Hz DC 0.4 - 2 Hz AC |
Pulse Duty (mark:space ratio) |
30 to 65% (in 5 steps) | 30 to 65% (in 5 steps) | 30 to 65% (in 5 steps) | 30 to 65% (in 5 steps) |
BackGroundCurrent | 10-90% of main current | 10-90% of main current | 10-90% of main current | 10-90% of main current |
Slope Down Time | 0.1 - 10 Seconds | 0.1 - 10 Seconds | 0.1 - 10 Seconds | 0.1 - 10 Seconds |
Start/Crater Current (4T) | 10-90% of main current | 10-90% of main current | 10-90% of main current | 10-90% of main current |
Post Purge Time | 0.5 - 30 seconds | 0.5 - 30 seconds | 0.5 - 30 seconds | 0.5 - 30 seconds |
Remote Start Point Current | 4 - 100A | 4 - 100A | 4 - 100A | 4 - 100A |
Dimensions (Power Source) |
||||
Height | 510mm | 510mm | 510mm | 520mm |
Width | 240mm | 240mm | 240mm | 290mm |
Depth | 500mm | 500mm | 500mm | 540mm |
Weight | 40kg (net) | 30kg (net) | 35kg (net) | 40kg (net) |
Standards | EN60974-1 & EN50199 | EN60974-1 & EN50199 | EN60974-1 & EN50199 | EN60974-1 & EN50199 |
Ordering Information
Packages
Transtig AC/DC 201iS Air Cooled Package 1416270
Transtig AC/DC 201iS power source, TG203 TIG torch with switch (3.8m), torch accessory kit, work return, gas hose, regulator and flowmeter
Transtig AC/DC 201iS Water Cooled Package 1416276
Transtig AC/DC 201iS power source, T.W.C.U. water cooler, trolley unit, TW253 TIG torch with switch (3.8m), torch accessory kit, work return, gas hose, regulator and flowmeter
Transtig AC/DC 203iS Air Cooled Package 1416272
Transtig AC/DC 203iS power source, TG203 TIG torch with switch (3.8m), torch accessory kit, work return, gas hose, regulator and flowmeter
Transtig AC/DC 203iS Water Cooled Package 1416277
Transtig AC/DC 203iS power source, T.W.C.U. water cooler, trolley unit, TW253 TIG torch with switch (3.8m), torch accessory kit, work return, gas hose, regulator and flowmeter
Transtig AC/DC 253iS Air Cooled Package 1416533
Transtig AC/DC 253iS power source, TG203 TIG torch with switch (3.8m), torch accessory kit, work return, gas hose, regulator and flowmeter
Transtig AC/DC 253iS Water Cooled Package 1416532
Transtig AC/DC 253iS power source, T.W.C.U. water cooler, trolley unit, TW253 TIG torch with switch (3.8m), torch accessory kit, work return, gas hose, regulator and flowmeter
Transtig AC/DC 353iS Water Cooled Package 1416274
Transtig AC/DC 353iS power source, T.W.C.U. water cooler, trolley unit, TW451 TIG torch with switch (4m), torch accessory kit, BSP/Dins adaptor kit, work return, gas hose, regulator and flowmeter
Associated Products
1416271 Transtig AC/DC 201iS Power Source
1416273 Transtig AC/DC 203Si Power Source
1416526 Transtig AC/DC 253iS Power Source
1416275 Transtig AC/DC 353iS Power Source
1415509 Transtig T.W.C.U. Torch Water Cooling Unit
1415510 Transtig Trolley Unit
1415022 TG203 3.6m TIG Torch
1415023 TG203 7.6m TIG Torch
1415024 TW253 3.6m TIG Torch
1415025 TW253 7.6m TIG Torch
1415026 TW451 4m TIG Torch
1415027 TW451 8m TIG Torch
1410207 Accessory Kit 203
1408023 Accessory Kit 253
607583 Accessory Kit 451
1414762 BSP/Dinz Kit
1415231 FC5B Foot Control
To find out more about our MIG welding equipment call us today on
+353 (0) 74 912 5777