i5s | Smart Spot Welding System

i5s | Smart Spot Welding System

The new Pro Spot i5s Smart Spot Welding System comes equipped with the industry’s most advanced adaptive auto welding technology and robust on-board training resources. The i5s advanced welding control system senses, reacts and adjusts welding energy based on material composition, thickness and resistance properties in real-time.

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    Transformer-Gun Spot Welder, Water Cooled to the Tips.


    Knowledge Center for Quick and Effective Training


    Quickly Adjust Settings, Increase Productivity


    Free Movement with Dual Action Rotation - Limitless Positioning of Gun and Arms


    Instant Software Updates, Ability to Email Welding Logs

Auto Weld

auto-weld iconography with touch screen interface

    At the press of a button, the i5s measures the thickness of the metals automatically using the latest optical technology.


    The i5s senses the metals to be welded from a pre-delivered current to determine the type of metal.

  • WELD

    The i5s features a new cable-gun. Based on the thickness and resistance feedback information, the i5s delivers the correct weld power every time, regardless of type of metal or thickness.

On-Board Training

auto-weld iconography with touch screen interface

The i5s makes training easier than ever. The i5s’ built-in Wifi allows users to connect directly and quickly to access training videos and materials

Train directly on the machine with onboard training videos and files. The i5s has built-in headphone jacks and speakers to help with training. It doesn't matter if it's a loud shop environment or quite space, plug in or turn up the volume for the speakers to start training instantly.

Explore more than 25 educational training videos right on the i5s spot welder. These videos have been carefully curated to streamline and enhance the training process for body shop technicians. From initial user setup to arm replacement, the video library covers a comprehensive range of topics, ensuring a seamless learning experience.



The new Pro Spot i5s Transformer Gun is lightweight, ergonomic, maneuverable, versatile and easy-to-use. It features unique digital display, as well as fingertip controls allowing technicians to view and change settings on the go without returning to the welder and disrupting welding process.

Superior design allows for quick and easy arm changes. Rotating bracket and arm provide a full range of motion, allowing technicians to access any spot on a vehicle.


Rotating Boom Bracket


Transformer Gun Display


Finger Tip Controls


Water Cooled Weld Arms


Quick-Connect Arm Changes


Rotating Weld Arms

Wireless Connectivity

i5s Wireless Connectivity

Featuring integrated WiFi, the i5s enables users to swiftly establish a connection, granting immediate access to the latest software updates, training videos, and content. Seamlessly maintaining and troubleshooting your equipment is now more convenient than ever, as you can effortlessly share information with Pro Spot for rapid and effective issue resolution. This functionality minimizes uncertainty and downtime, enabling workshops to sustain their productivity and profitability.

Instant Training Access

Enjoy connectivity with the i5s' embedded WiFi, facilitating direct and rapid access to training videos and resources

Log Export Capability

This wireless connectivity empowers users to export weld logs, fulfilling the growing requirements of OEMs, insurance firms, and certification programs.
Effortlessly export logs to your preferred email address or directly onto a USB drive.


i5s arms and accessories

i5s Spot Welder comes with variety of accessories. Additionally, Pro Spot offers a variety of optional arms for deeper reach. The biggest advantage of the new arms is a wider distance to get around large panels in contemporary car designs. Arm design includes longer electrodes to reach those deeper pockets we see in todays vehicles. Water cooling is provided to the tip, which is a requirement with car manufacturers.

Another great optional addition to the i5s Spot welder is the patented C2X Arm. It gives our resistance spot welder more versatility and ease of use than ever before.

Full Force Auto Weld. C2X Arm is also the first C-X Style Adapter to allow users to weld in Auto Weld Mode. Users no longer have to switch to Manual Weld Mode.
Quick Connect. Quickly and Easily change from C style arm to C2X arm now comes with the Pro Spot quick docking system.
Extreme Clapming Force. Safely delivers up to 600daN meeting all OEM force requirements.

For a complete list of all accessories, inclusing welding caps, please see the i5s Component List

Component List

Technical Specifications

Input Voltage:
  • 3 phase
  • 208 - 240V 50/60HZ
  • 400 - 480V 50/60HZ
Welding Amperage: 12,500 Amps (DC)
Cable Length:
  • Power Cable 30’ (10m)
    Weld Cable 16.4ft (4.9m)
Electrode Force:
  • 1,240 lbs (565 daN)
Liquid Cooling System:
  • Radiator/Pump Active Loop Cooled To Electrode Tips
Microprocessor: Wirelessly Upgradeable Software Platform
Protection: IP 21
System Weight: 385 lbs. (174.6kg)


  • In Gun Display Screen
  • Finger Tip Controls
  • Water Cooled Gun & Arms
  • 360 Degree Arm Rotation
  • Wifi Connection - On-Board Wifi
  • Software Updates Always Available
  • Built in Audio and Video Playback
  • Touch Screen
  • Auto Weld Mode
  • Manual Weld Mode
  • Semi-Automatic Weld Mode

***Design is subject to change