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TELWIN INVERPULSE 40.40 WAVE: Industrial Power and Welding Precision with the Intelligent Wave OS System
In today's fast changing world of industry, where every minute and every millimetre of precision counts, professional welders face ever greater challenges. The answer to these needs is the TELWIN INVERPULSE 40.40 WAVE, a synergic MIG/MAG inverter welder that redefines the standards of output, versatility and welding quality. This is not only a tool, it is an intelligent partner that understands your needs and helps you achieve masterly results every day.
Imagine a machine that not only delivers a strong 400A output but also offers advanced welding processes such as Pulse, Double Pulse (PoP), welding with reduced heat input for thin materials (ATC) or specialist programs for root passes (Root-MIG). All of this is enclosed in the intuitive Wave OS operating system, which guides you through the configuration, allows personalisation of the parameters and guarantees their repeatability. Whether you work with structural steel, stainless steel, aluminium or braze weld galvanised sheet, the INVERPULSE 40.40 WAVE adapts to your requirements and delivers welds of the highest quality.
The key to what makes it exceptional is the Wave OS system (Welding Advanced Visual Environment) mentioned above. This intelligent interface with a colour TFT display not only makes it easier to select the right synergic program from dozens of predefined curves, but also allows full personalisation of every aspect of welding. You can create and store your own programs, and thanks to the tracking and reporting function (through USB) you have full control over the process and the quality, which is invaluable in certified production.
The integrated, high performance AQUA cooling unit gives the welding torch optimal cooling even during the most intensive work, which means a higher duty cycle, operator comfort and a longer service life of the accessories. The solid construction, the 4 roll wire feeder that guarantees stable and precise feeding, and the flexible supply (230V/400V) make the INVERPULSE 40.40 WAVE a reliable and versatile tool for the most demanding professionals in sectors such as steel structures, automotive, shipbuilding and machine production.
By investing in the TELWIN INVERPULSE 40.40 WAVE, you invest in technology that will not only improve your daily work but will also open up new possibilities for carrying out complex welding projects with an ease and precision not met before.
Get to Know the Advanced Options of the TELWIN INVERPULSE 40.40 WAVE 230V/400V AQUA 4M
Wave OS: The Intelligent Evolution of Welding Control
The Wave OS system (Welding Advanced Visual Environment) is the heart and the brain of the INVERPULSE 40.40 WAVE, and it takes the interaction between user and machine to a completely new level. Thanks to the intuitive graphic interface presented on a large colour TFT display, even the most complex settings become simple and clear. Wave OS offers welding modes matched to the skills of the operator, from the basic mode (EASY) up to the advanced one (EXPERT), giving full control over every parameter.
A key advantage is the intelligent synergy, which automatically selects the best welding parameters on the basis of the chosen material, shielding gas and wire diameter. That, however, is only the beginning. Professionals will appreciate the option of full personalisation and the storage of up to 200 individual welding programs (JOBs), which guarantees perfect repeatability of results on series tasks. What is more, Wave OS allows tracking and recording of the welding parameters (voltage, current, wire speed) on a USB memory. This function is invaluable in environments that require certification and documentation of processes, since it allows the analysis and reporting of data for every joint made.
Mastery of Pulsed Welding: The Pulse, PoP and AB Pulse Technologies for Perfect Welds
The TELWIN INVERPULSE 40.40 WAVE is a true expert in pulsed welding and offers advanced processes that transform work with demanding materials. The standard Pulse mode is ideal for welding aluminium and stainless steel and gives excellent control over the arc, lower heat input, reduced spatter and a clean weld face.
Going a step further, the PoP (Pulse on Pulse) technology is a double pulse that additionally improves the look of the weld and gives it the scale effect characteristic of the TIG method, while keeping the high output of MIG/MAG. This is especially useful when welding aluminium. For even greater specialisation, Telwin introduced AB Pulse and AB PoP, dedicated processes for aluminium and galvanised steel that minimise porosity and give excellent results even in the most difficult applications. Thanks to these technologies a professional can obtain welds of flawless quality, cut the time needed for post weld work and raise the appearance of the final product considerably.
Material and Process Versatility: From Steel to Aluminium, from ROOT-MIG to ATC
The INVERPULSE 40.40 WAVE is a byword for versatility. Thanks to its broad set of synergic programs and specialist processes, this machine copes with an impressive spectrum of materials and thicknesses. From carbon steels, through stainless steels (inox), up to aluminium and its alloys and braze welding of galvanised sheet (CuSi3, CuAl8), this welder offers dedicated solutions for each of them.
The special ROOT-MIG process was designed for easy and fast root passes. It allows welding with a smaller gap between the parts, gives excellent control over the weld pool and creates smooth, even root runs. The ATC (Advanced Thermal Control) technology in turn is the key to success when welding thin materials, often met in the automotive industry. ATC controls the arc energy precisely and minimises the risk of burn through and thermal distortion. For a professional this means the ability to take on more varied and demanding orders, certainty of excellent results and optimisation of working time and costs.
Technical Specification
| Parameter | Value |
|---|---|
| Full Model Name | TELWIN INVERPULSE 40.40 WAVE 230V/400V AQUA 4M |
| Catalogue number | 816851 |
| EAN code | 8056590376706 |
| Supply | 3 phase 400V 50/60Hz or 1 phase 230V 50/60Hz (automatic detection) |
| Rated power 60% / Max (400V) | 8 kW / 12 kW |
| Rated power 60% / Max (230V) | 4.5 kW / 7 kW |
| MIG/MAG welding current (400V) | 20 - 400 A |
| MIG/MAG welding current (230V) | 20 - 270 A |
| Duty cycle (EN60974-1, 40°C) 400V | 400A @ 40% ; 330A @ 60% ; 270A @ 100% |
| Duty cycle (EN60974-1, 40°C) 230V | 270A @ 40% ; 220A @ 60% ; 180A @ 100% |
| Open circuit voltage | 86 V |
| Steel wire diameter | 0.6 - 1.6 mm |
| Stainless wire diameter | 0.8 - 1.6 mm |
| Aluminium wire diameter | 0.8 - 1.6 mm |
| Flux cored wire diameter | 0.8 - 1.6 mm |
| Braze welding wire diameter (CuSi3, CuAl8) | 0.8 - 1.2 mm |
| Number of synergic programs | Over 40 predefined |
| Protection rating | IP23 |
| Dimensions (L x W x H) | 870 x 465 x 1125 mm |
| Weight of the set (with trolley and cooling unit) | 86 kg |
| Standards | CE, EAC, EN60974-1, EN60974-10 (EMC Class A) |
| Cooling system | Integrated GRANDE FRIGO WAVE cooling unit |
| Wire feeder | Professional, 4 roll |
Key Features and Benefits
- The Intelligent Wave OS Operating System: This is a new working environment for the welder, based on a colour TFT display, which simplifies interaction with the machine and gives full control. Wave OS offers advanced synergic modes, personalisation of the parameters for every task and the storage of individual welding programs (JOBs). For a professional this means a radically shorter setup time, a guarantee of repeatable, perfect parameters, fewer errors and the ability to monitor and certify welding quality thanks to the data recording function on USB (voltage, current, wire speed).
- Advanced Pulsed Welding Processes (Pulse, PoP, AB Pulse): The INVERPULSE 40.40 WAVE offers a broad set of specialist pulse processes, including standard Pulse, Pulse on Pulse (PoP) and the innovative AB Pulse for aluminium and AB PoP for galvanised steel. These technologies give excellent control over the weld pool and minimise spatter and thermal distortion, especially when welding thin materials, aluminium and stainless steel. The result is clean, high quality welds with excellent mechanical characteristics, less need for finishing work and higher output.
- 230V/400V Supply Versatility: The machine automatically adapts to the available power source and works efficiently both when connected to a three phase 400V supply and to a single phase 230V supply. For the user this means maximum flexibility and the ability to work in different workshop conditions or on a building site, without needing several machines or complicated adapters.
- High Performance AQUA Liquid Cooling: The integrated GRANDE FRIGO WAVE cooling module keeps the welding torch at the optimal working temperature, even when welding at high currents and in long cycles. This means a considerable increase in the duty cycle of the machine, greater comfort for the welder (a cooler torch) and a longer service life of the torch itself and its consumables.
- The Specialist ATC and ROOT-MIG Technologies: The ATC (Advanced Thermal Control) technology manages the arc energy intelligently, which matters most when welding thin materials (for example in the automotive sector), and minimises the risk of burn through and distortion. The ROOT-MIG process was optimised for high quality root passes and gives excellent control over the weld pool and a smaller gap between the welded parts. For a professional this means excellent welds in difficult applications are easier to obtain, with lower material costs and less working time.
- Solid Construction and a Precise 4 Roll Wire Feeder: The machine was built for intensive use in industrial conditions. The durable housing and the professional 4 roll wire feed mechanism guarantee reliability, arc stability and smooth feeding, even with long torch leads or aluminium wires. This means fewer stoppages, higher weld quality and better overall efficiency of the welding process.
Product Applications
- Production and assembly of heavy steel structures
- Advanced car body repairs and production in the automotive sector
- Shipbuilding and offshore industry (welding of hull sections, equipment)
- Production of machines, industrial and agricultural equipment
- Welding of pipelines and industrial installations
- High output welding of aluminium and its alloys (tanks, frames, special structures)
- Precise welding of stainless and acid resistant steel (food industry, chemical industry, railings)
- Repair and production of thin sheet parts (ventilation, enclosures)
- Professional metalworking and service workshops with the highest quality requirements
Summary: TELWIN INVERPULSE 40.40 WAVE 230V/400V AQUA 4M - Your Best Investment
The TELWIN INVERPULSE 40.40 WAVE is not just a step but a leap into the future of welding technology. It is an investment in precision, output and versatility that will let you meet every challenge. Thanks to the intelligent Wave OS system, the advanced pulse processes and the solid construction, you gain a partner ready for the heaviest work and a guarantee of welds of the highest world class.
Do not let the limits of your equipment hold back your potential. Choose the TELWIN INVERPULSE 40.40 WAVE and experience the difference a truly professional tool can make. Contact us today to learn more and to join the specialists who have put their trust in the Telwin brand.
Catalogue number: 816851
EAN code: 8056590376706







