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Fronius Transsteel 3500c Water Cooled Package

Fronius TransSteel 3500c Water Cooled Package

£6,200.00
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Fronius Transsteel 3500c Water Cooled Package
  • Fronius Transsteel 3500c Water Cooled Package
  • Fronius TransSteel 3500c Water Cooled Package
  • Fronius TransSteel 3500c Water Cooled Package
  • Fronius Transsteel 3500c Water Cooled Package
  • Fronius TransSteel 3500c Water Cooled Package
  • Fronius TransSteel 3500c Water Cooled Package
Fronius TransSteel 3500c Water Cooled Package

Fronius TransSteel 3500c Water Cooled Package

£6,200.00
Shipping calculated at checkout.

Fronius TransSteel 3500c Water Cooled Package is a three-phase compact multi-process MIG/MAG inverter set, supplied with integrated water cooling for high-duty cycle welding in professional bodyshops and fabrication workshops.

Key Features

  • Water-cooled high duty cycle
  • Compact 350 A inverter source
  • MIG/MAG, MMA, TIG capable
  • Stable arc on steels
  • Suited to heavier fabrication
  • Designed for continuous workshop use
Technical Support

Everything we sell is supported by our factory trained engineers at our premesis in Manchester or nationwide through our mobile service engineers.

Delivery + Returns

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Package Contents

We will work quickly to ship your order as soon as possible. Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location.
Supply voltage

Supply

400V

Warranty

Warranty

3 Years

Free delivery

Free Delivery

UK mainland delivery

Service engineers

Service

In-house engineers

Technical support

Support

0161 223 1843

Engineer Advice

Paul Jones

Paul Jones says

This is a compact, three‑phase MIG/MAG power source aimed at serious steel fabrication and heavier bodyshop work, where you’re routinely up in the 250–350 amp range on thicker sections. In a real workshop it tends to sit on chassis repairs, jig work, structural brackets and general steel fabrication where you need consistent arc characteristics over long runs rather than short cosmetic welds.

With the water‑cooled package, the main technical point is torch and coolant management. At higher amperage the water cooling keeps the torch body stable and consumable life sensible, but only if the coolant circuit is correctly filled, bled and maintained, and genuine Fronius coolant is used. Wire feed setup is also critical – drive roll selection, tension and liner condition will make or break reliability with solid wires in the 0.8–1.2 mm range.

Common issue I see is shops running it like a light‑duty MIG, with poor gas and earth connections, then blaming the machine for spatter and porosity. Set up correctly, it’s a very dependable power source that will weld heavy steel efficiently all day.

Paul Jones, Technical Director

Technical Features

  • Multiprocess MIG/MAG, TIG and MMA capability on one power source, allowing you to cover most bodyshop and fabrication welding tasks from thin automotive panels through to heavier structural work.
  • Watercooled configuration using the FK 5000 cooling unit, keeping the torch and power source temperature under control on sustained highamperage work and improving consumable life in production environments.
  • Compact 350 A power source with integrated wire feeder and lightweight hose pack, giving good manoeuvrability around vehicles and jigs while still offering industrialduty output.
  • Gascooled or watercooled options in the same platform, so workshops can match cooling setup to their typical duty cycle and torch preference without changing machine family.
  • Synergic MIG/MAG programmes for steel and other common wires, simplifying setup by automatically matching voltage and amperage to wire diameter and gas selection once the basic job parameters are chosen.
  • STEEL, STEEL ROOT and STEEL DYNAMIC arc characteristics, allowing you to switch between universal welding, strong gapbridging root runs and a harder, more concentrated arc for high travel speeds and deep penetration.
  • Spot welding mode for placing repeatable tack welds at defined intervals, useful for panel alignment and fixture work where consistent spot spacing matters.
  • Stitch (interval) welding mode for producing a rippled seam appearance with reduced heat input, helping to minimise distortion on thin body panels and lightgauge sections.
  • Selectable operating modes including 2T, special 2T, 4T and special 4T, giving better trigger control on longer welds, positional work and when you need to reduce operator fatigue.
  • Clear digital control panel with process selection and characteristic number display, making it straightforward to recall proven job settings and standardise procedures across multiple welders.
  • Comfort Wire feederinching function, allowing the machine to automatically draw the wire into the feeder without opening the wirefeed unit, speeding up wire changes and reducing the chance of feeding errors.
  • Compact separate wire feeder design with Fronius System Connector, keeping the torch and feeder assembly neat and reducing the chance of snagging when working around vehicles or inside frameworks.
  • High wire feed speed capability (up to around 25 m/min on suitable models), enabling high deposition rates when running larger diameter steel wires on heavier fabrication jobs.
  • Optional water chiller integration for stable cooling water temperature, improving reproducibility on long continuous welds and hightemperature applications.
  • Builtin support for different wire spool sizes, letting you choose between smaller spools for mobile work and larger spools for production to reduce changeover time.
  • Spot and interval welding functions available across processes, allowing flexible use in both repair and light fabrication without needing additional controllers.
  • Robust industrial construction intended for continuous use, making the unit suitable as a workshop “workhorse” for dayin, dayout welding rather than occasional lightduty use.
  • Good duty cycle at 350 A (40% range), giving practical sustained output for thicker sections, chassis work and heavy brackets without frequent thermal cutout.
  • Watercooled torch capability in the package, improving operator comfort and reducing torch handle temperature during long fillet welds and highcurrent spray transfer work.
  • Compatibility with genuine Fronius accessories and torches, ensuring reliable wire feeding, correct connector interfaces and consistent results in professional bodyshop environments.
Bodyshop Equipment Engineers

WHY BUY YOUR EQUIPMENT FROM US?

Our team of welding experts at BWS is ready to assist you every step of the way. Whether you have questions about specific products, need guidance on selecting the right equipment, or seek welding-related advice, our knowledgeable staff is here to help.

We also have some of the most experienced engineers in the industry who are able to offer full technical support on top of what the manufacturers offer.

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Specification

Mains Voltage
3 x 380V
Mains Voltage Tolerance
-10%
Mains Frequency
50
MAG Welding Current Range
10–350A
MMA (Stick) Welding Current Range
10–350A
TIG Welding Current Range
10–350A
MAG, MMA, TIG)
350A at 40% (10min
MAG, MMA, TIG)
300A at 60% (10min
MAG, MMA, TIG)
250A at 100% (10min
Operating Voltage Range
14.5–38.5V
Open Circuit Voltage
59–60V
Apparent Power at 400V
15.87kVA
Max Effective Primary Current (400V)
14.5A
Protection Class
IP23
Cooling Type
Gas-cooled or water-cooled (with FK 5000 cooling unit for 3500C)
Coolant Type
Fronius Cooling Liquid FCL 10
Suitable Cooling Unit
FK 5000 (optional for TransSteel 3500C)
Wire Diameter Range
0.8–1.2mm (steel, CrNi, AlMg, AlSi, metal cored, flux cored wires)
Wire Feed Speed
1–25m
Shielding Gas Pressure (Max)
5bar
Dimensions
747 x 300 x 497mm (L x W x H)
Weight
36kg
Interference Emission Class
A
Insulation Class
B
Overvoltage Category
III
Pollution Degree (IEC 60664)
3
Maximum Noise Emission
72dB(A)
Cooling Options
Gas-cooled and water-cooled versions available in 350A class

FAQs

Is the Fronius TransSteel 3500c water cooled package suitable for professional workshop and bodyshop use?
Yes. The TransSteel 3500c is a 3‑phase, 400 V compact multi‑process MIG/MAG inverter with up to 350 A output at around 40% duty cycle, designed for continuous industrial welding on steel and other common workshop materials. The water‑cooled package is well suited to high duty, multi‑shift environments such as bodyshops, fabrication shops and repair centres where longer weld runs and higher currents are common, as the cooling keeps torch and cables stable and improves consumable life.
What is typically included in the TransSteel 3500c water cooled package?
Most 3500c water‑cooled packages include the compact 3500c power source, 3‑phase input leads, 4‑roller wire feed system, FK5000 or equivalent water cooling unit pre‑filled with Fronius FCL coolant, a water‑cooled MIG torch, and a set of drive rolls for common wire diameters. Exact contents can vary by supplier, so BWS engineers will confirm whether you need additional torches, interconnections, or specific rollers and will configure the package to suit your wire sizes and typical jobs.
What power supply and installation requirements does the TransSteel 3500c have?
The TransSteel 3500c runs on 3‑phase, typically 380–460 V in European and UK workshops, with a welding current range from 10 to 350 A. It is a compact unit with approximate dimensions of 747 x 300 x 497 mm and weight around 36 kg, so it can be trolley‑mounted with a cooler and cylinder for mobile use around the workshop. For correct installation you should provide a suitably rated 3‑phase supply, appropriate fusing and cabling, and ensure adequate ventilation and access for service; BWS can advise on supply sizing and site layout.
What materials and processes can the TransSteel 3500c water cooled package handle, and what about consumables?
The 3500c is a multi‑process MIG/MAG system capable of welding steel and stainless with solid and flux‑cored wires, and can also be set up for other wires such as CuSi for bodyshop panel repairs. With the correct torch and wire it can support MIG brazing and other processes used in modern automotive and fabrication work. The machine uses a 4‑roller drive for reliable feeding across 1.0–1.2 mm wires commonly used in structural and production welding. Torches are typically Euro‑connector type, so standard Binzel‑pattern consumables are compatible; BWS can supply genuine Fronius torches, liners, rollers and spare parts, as well as the recommended Fronius FCL coolant for the water unit.

Package Contents

TransSteel 3500 Synergic Power Source FK5000 Cooling Unit VR5000 Wire Feeder with Remote Panel TU Car 4 Pro - 4 Wheel Trolley Watercooled Interconnection Pack - 5m MTW 400i /FSC/3,5m/45°/LED - MIG Torch & Universal Liner 4x 1.0mm Feed Rollers - Suitable for Steel & Aluminium Earth Lead 4m