GYS Krypton 401 Dc Tri - Without Accessories **
Advanced 400A Three-Phase TIG DC & MMA Welding Power Source for Precision Fabrication
The KRYPTON 401 DC TRI is a next-generation three-phase TIG DC and MMA welding power source designed for professional fabrication, pipe welding and demanding industrial applications. Built using advanced digital technology, this high-performance welding machine delivers up to 400A output while maintaining exceptional arc stability and welding precision. Its TIG DC Pulse capability of up to 10 kHz allows precise control of the weld pool, significantly reducing heat distortion and enabling accurate welding of thin materials down to 0.3 mm.
Designed for productivity and ease of use, the KRYPTON 401 DC TRI features an intuitive dual-menu interface that allows quick access to both standard and advanced welding parameters. The robust reinforced chassis with IP23S protection ensures reliability in workshop and site environments. With integrated program memory, robot connectivity options and compatibility with remote controls and cooling systems, this machine provides exceptional flexibility for modern welding operations.
WHY BUY FROM BWS?



Specification
- Maximum Output Current: 400 A
- Power Supply: 400 V Three Phase (50/60 Hz)
- TIG Duty Cycle: 320 A at 100% duty cycle
- MMA Duty Cycle: 360 A at 45%
- TIG Pulse Frequency: Up to 10 kHz
- MMA Pulse Frequency: Up to 800 Hz
- Protection Rating: IP23S
- Dimensions: 74 × 30 × 53 cm
- Weight: 39 kg
- Generator Compatible: ±15% input tolerance
Features
- Dual welding processes: TIG DC and MMA with pulse technology
- TIG DC Pulse up to 10 kHz for precise weld pool temperature control
- MMA Pulse up to 800 Hz for improved vertical and positional welding
- Three ignition modes: Lift, HF and Touch.HF
- Four advanced tacking modes including Spot, Multi-Spot, Tack and Multi-Tack
- Stores up to 50 welding programs per process
- Compatible with remote controls, foot pedals and Up & Down torches
- Optional robotic integration via connectivity kit
- Reinforced chassis with anti-shock feet for demanding site conditions
- USB software updates and accessory calibration capability
FAQs
1. What materials can the KRYPTON 401 DC TRI weld?
The machine is designed for TIG DC welding of ferrous metals including mild steel, carbon steel and stainless steel. The advanced pulse function also allows accurate welding of thin sheet materials.
2. Can this welder handle industrial pipe and tube welding?
Yes. The high output power and stable arc make it ideal for pipe fabrication, stainless steel tube welding and other precision industrial applications.
3. Is the KRYPTON 401 DC TRI suitable for site work?
Yes. The reinforced metal chassis, IP23S protection rating and generator compatibility make it suitable for demanding workshop and on-site welding environments.
4. Does the machine support remote controls and cooling units?
Yes. The system supports a range of optional remote controls, foot pedals and cooling units which can be connected quickly without tools to suit different welding setups.
Why Choose Equipment from BWS Ltd
As an Approved Sales and Service Centre with a nationwide team of trained engineers, BWS Ltd offers full sales, setup, and after-sales support for all the equipment we sell Buying from BWS ensures your investment includes: * Certified installation and training * Ongoing calibration and servicing * Expert support from real bodyshop engineers
Trusted UK bodyshop & welding equipment supplier since 1994. Approved Sales Service and Support Supplier!. Exceptional service, expert advice, and fast delivery you can rely on. Call 0161 223 1843
Shipping
We aim to dispatch all in-stock items for next working day delivery when ordered before 1pm. Larger or heavier equipment may require a 48-hour delivery service.
Mainland UK Delivery
Orders over £70 (excluding VAT) qualify for free delivery.
Orders under £70 (excluding VAT) are charged at £6.95.
Remote & Offshore Locations
Deliveries to the Scottish Highlands, Islands, Northern Ireland, Isle of Man, Channel Islands and Isles of Scilly are subject to additional carriage charges. These typically start from £18.95 and may increase depending on size and weight.
If you need urgent delivery or want to confirm stock availability before ordering, please contact our team.
Returns
We offer a 14-day approval period from the date of delivery to ensure the goods meet your expectations.
Returned items must be in new, unused condition and in their original packaging. Return carriage costs are the responsibility of the customer.
We strongly recommend using a tracked and insured delivery service, as we cannot be held responsible for items lost or damaged in transit.
Items ordered incorrectly and returned for credit may be subject to a 15% restocking fee. This may be waived on orders at our discretion.