Telwin Digital Modular 400 Hand Held Spot Welder (823017)
The Telwin Digital Modular 400 Hand Held Spot Welder (823017) is a powerful, microprocessor controlled spot welding machine designed for industrial use. Operating on a 400V supply, it delivers reliable performance for heavy-duty applications and is capable of welding up to 2+2mm sheet metal. With advanced Fuzzy Logic control, it ensures consistent weld quality with minimal setup.
Telwin Digital Modular 400 Handheld Spot Welder (823017).
The Telwin Digital Modular 400 Hand Held Spot Welder is built for demanding workshop and production environments where precision and power are essential. Combining advanced microprocessor technology with an intelligent Fuzzy Logic control system, this spot welding machine automatically adjusts welding parameters to suit the material thickness, helping to deliver consistent, high-quality welds every time.
Designed for industrial applications, the 400V double-phase power supply provides the strength needed for heavier-duty sheet metal welding. Its ergonomic, thermally insulated handgrip ensures comfortable operation, while adjustable arm pressure allows greater control across a range of materials including HSS, galvanised, and oxidised sheets.
Whether used in automotive repair, fabrication, or manufacturing, the Telwin Digital Modular 400 offers dependable performance, ease of use, and durable construction for professional results.
Features
- Microprocessor controlled spot welding machine with Fuzzy Logic system
- Automatic regulation of welding time and current based on material thickness
- Continuous and pulse welding modes for versatility
- Suitable for HSS, galvanised, and oxidised sheet metal
- Adjustable arm pressure from 40 kg to 120 kg (with 120 mm arms)
- Ergonomic handgrip made from thermally insulating material
- Integrated thermal protection for safe operation
- Designed for industrial use with 400V double-phase input
Technical Data
- Product Code: 823017
- Mains Voltage: 400 V (Double Phase)
- Frequency: 50 / 60 Hz
- Max Spot Welding Current: 6900 A
- No Load Voltage: 2.5 V
- Rated Power (X=50%): 1.6
- Fuse: 16 A
- Power Factor: 0.9
- Max Weld Thickness: 2 + 2 mm
- Duty Cycle: 1.5 %
- Protection Degree: IP20
- Dimensions: 44 x 10 x 18.5 cm
- Weight: 10.3 kg
- Warranty: 1 Year
The Telwin Digital Modular 400 Hand Held Spot Welder is a robust and reliable solution for industrial spot welding applications. With its 400V power input, microprocessor control, and intelligent Fuzzy Logic system, it delivers consistent, high-quality welds on sheet metal up to 2+2mm. Ideal for professional workshops and production lines, it combines power, precision, and ease of use in a compact handheld design.
| Brand | Telwin |
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This spot welder is suitable for welding a range of sheet metals including mild steel, high-strength steel (HSS), galvanised and oxidised sheets, making it ideal for automotive and fabrication work.
The Telwin Digital Modular 400 can weld sheet metal up to 2 + 2 mm thickness, making it suitable for a wide range of industrial spot welding applications.
Yes, this model operates on a 400V double-phase power supply, which is typically found in industrial and professional workshop environments.
The machine features a microprocessor with Fuzzy Logic control, which automatically adjusts welding parameters such as time and current based on material thickness, helping to simplify setup and improve consistency.
Yes, the Telwin Digital Modular 400 offers both continuous and pulse welding modes, allowing greater flexibility when working with different types of sheet metal.
This spot welder is designed for industrial environments, offering strong performance and durability. However, due to its duty cycle, it is best suited for controlled, intermittent welding tasks rather than continuous operation.
For UK Mainland orders, this product is typically sent via Next Working Day Courier service.
Orders placed before 3pm will be dispatched the same day Monday - Friday. Orders placed after 3pm on Friday won’t be dispatched until Monday.
For full details, please visit our Delivery Information page.
Yes, if you require a larger quantity than shown in stock, please email sales@weldingsuperstore.co.uk and our team will be happy to assist. Lead times may vary depending on availability.
Hints and Tips for Using Telwin Digital Modular 400 Spot Welder
Start with clean material surfaces
For the best possible weld quality, it can really help to make sure the sheet metal is clean and free from dirt, paint, or coatings. A quick clean before welding often leads to more consistent and reliable results.
Let the machine guide your settings
The built-in Fuzzy Logic system is designed to make things easier by automatically adjusting welding parameters. Allowing the machine to do the work for you can help achieve consistent welds, especially when working with varying material thicknesses.
Use pulse mode for more delicate materials
When working with galvanised or high-strength steels, using pulse welding mode may help improve control and reduce the risk of overheating or distortion.
Apply steady and even pressure
Maintaining consistent arm pressure during welding can make a noticeable difference to weld quality. Taking a moment to adjust the pressure to suit your material can help improve results.
Work within the duty cycle
To keep the machine performing at its best, it’s a good idea to allow it to rest between welds where needed. This helps prevent overheating and supports long-term reliability.
Practice on scrap material first
If you’re working with a new material or thickness, testing on a spare piece can be a simple way to fine-tune your approach before starting on the final job.
Ensure correct power supply setup
As this machine operates on a 400V supply, it’s important to ensure your power source is suitable and correctly installed to get the best performance and maintain safety.
