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The CEA model ARC 403 welding machine is a solid and versatile machine, ideal for professional welding needs, suitable for use in industrial and construction sites. This model belongs to CEA's ARC series, known for its robustness and reliability in maintenance and steel construction operations.

Composition and Mechanical Characteristics
The CEA ARC 403 is equipped with a powerful three-phase motor that allows it to operate efficiently with electrodes with a diameter between 2 and 6 mm. Thanks to the continuous regulation of the welding current via a magnetic shunt, it is able to maintain a stable and controlled welding arc, essential for obtaining high-quality results even in difficult working conditions. Its wide current adjustment range (from 55 to 250 A) allows you to easily weld a wide range of materials, including carbon steels, stainless steel, and special alloys.

Dimensions and Weight
This welding machine has small dimensions, which make it easily maneuverable despite its power. Its overall measurements are approximately 880 mm in length, 425 mm in width and 690 mm in height, with a weight of approximately 95 kg, thus facilitating its movement on the work field thanks to practical wheels and support handles. These aspects make it ideal for work in confined spaces or on construction sites.

Performance and Power
The ARC 403 is powered by a voltage of 230/400 V and an absorbed power of 26.8 kVA. The welder is designed to guarantee a maximum current of 200 A at 100% duty cycle, with capacities of 260 A at 60% and 350 A at 35%. The secondary no-load voltage of 71 V allows precise and uniform welding on different types of materials.

Use and Maintenance Procedure
The operation of the CEA ARC 403 is very intuitive: just select the type of electrode and set the appropriate welding current, then the welding arc will stabilize automatically thanks to the magnetic shunt system. Maintenance of this machine is relatively simple and focuses on regularly cleaning the terminals and checking the condition of the electrodes. It is also essential to check the cooling system and electrical insulation, especially if the machine has been used for long welding sessions.

Safety and Compliance Regulations
Even if CE regulations are not specified for this model, it is always possible to adapt a used welder to current safety regulations (e.g. CEI 64-8 for electrical equipment) through a thorough check of the insulation systems and protection. The presence of a safety switch for switching the voltage and its compact dimensions allow risks to be reduced to a minimum during use, as long as it is regularly maintained.

Sectors of Use
This welding machine is particularly suitable for heavy carpentry work, industrial maintenance, naval construction, and steel welding work. The ARC 403 model is an ideal tool for professional welders working in harsh environments, where a powerful and reliable machine is needed. Furthermore, thanks to its robustness and adaptability to different types of electrodes, it is widely used on construction sites and in welding workshops.

Why It Is Worth Buying a Used CEA ARC 403 Welder
Buying a used CEA ARC 403 welder is a smart choice for those looking for a high quality product at an affordable price. CEA welding machines are built to last over time, and a used machine in good condition can still guarantee excellent performance for many years. In particular, the ARC 403, thanks to its robustness and ease of maintenance, represents an opportunity to obtain a high-level tool at a fraction of the cost of a new one.

In conclusion, the CEA ARC 403 is a versatile, powerful and durable welder, ideal for those who need a reliable machine for arc welding work. With proper use and good maintenance, it can provide excellent performance for years, making it an ideal choice for second-hand purchases.