Automatic welding helmets
Perfect protection for the eyes, face, and head

Fronius welding helmets: UV and glare protection for maximum safety when welding
Our welding helmets with automatic darkening provide reliable protection against harmful rays generated during arc welding. They not only prevent eye diseases, but also protect the face, head, and neck from serious injuries. With various models to choose from—from entry-level solutions to high-end helmets—we offer a complete range that is tailored to your specific needs.
Welding helmet technology at a glance
Our welding helmets are equipped with innovative technologies that not only protect you better, but also make your day-to-day work much easier. Here’s an overview of the most important ones:
Fronius welding helmet portfolio
Sirix Series
More about Sirix
Vizor 4000 Series
More about Vizor 4000
Vizor Series
More about Vizor
Fazor 1000
More about Fazor
Compare our Fronius welding helmets
| Sirix Crystal | Sirix Professional | Vizor Crystal | Vizor Connect | Vizor 4000 Crystal | Vizor 4000 Professional | Vizor 4000 Plus | Fazor 1000 Plus | |
| Type of battery | Polymer Li-ion battery (1x) | Polymer Li-ion battery (1x) | Polymer Li-ion battery (1x) | Polymer Li-ion battery (2x) | 2x CR2032 | 2x CR2032 | 2x CR2032 | 2x CR2032 |
| Field of vision | 58 x 125 mm (panoramic view) | 58 x 125 mm (panoramic view) | 58 x 125 mm (panoramic view) | 58 x 125 mm (panoramic view) | 50 x 100 mm | 50 x 100 mm | 50 x 100 mm | 50 x 100 mm |
| Slide-Up function (180° clear panel) | ✔ | ✔ | - | - | - | - | - | - |
| Nose cut technology | ✔ | ✔ | ✔ | ✔ |
- | - | - | - |
| Crystal lens technology | ✔ | - | ✔ | - | ✔ | - | - | - |
| Classification in accordance with EN379 | 1/1/1/2 | 1/1/1/1 | 1/1/1/2 | 1/1/1/2 | 1/1/1/2 | 1/1/1/1 | 1/1/1/2 | 1/1/1/2 |
| Number of sensors | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 3 |
| Protection level (light mode) | 2.0 | 3 | 2.0 | 2.5 | 2.0 | 4 | 2.5 | 4 |
| Protection level (dark mode) | 4 > 12 (autopilot) 7–12 (manual) |
4 > 13 (autopilot) 8–13 (manual) |
4 > 12 (autopilot) |
5 > 12 (autopilot) 7–12 (manual) |
4 > 12 (autopilot) 4–12 (manual) |
5 > 13 (autopilot) 5–13 (manual) |
8–12 (manual) | 9–13 (manual) |
| Autopilot | ✔ | ✔ | ✔ |
✔ | ✔ | ✔ | - | - |
| Sensitivity | Infinitely adjustable, with“super high” sensitivity | Infinitely adjustable, with“super high” sensitivity | Infinitely adjustable, with “super high” sensitivity |
Infinitely adjustable, with“super high” sensitivity | Infinitely adjustable, with “super high” sensitivity |
Infinitely adjustable, with “super high” sensitivity |
Infinitely adjustable, with “super high” sensitivity |
Infinitely adjustable, with “super high” sensitivity |
| Dimmer function | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | - | - |
| Dark to light (delay) | 0.1 s to 2.0 s(with dimmer function) | 0.1 s to 2.0 s(with dimmer function) | 0.1 s to 2.0 s (with dimmer function) |
0.1 s to 2.0 s (with dimmer function) |
0.1 s to 2.0 s (with dimmer function) |
0.1 s to 2.0 s (with dimmer function) |
Adjustable between 0.05 s and 1.0 s |
Adjustable between 0.05 s and 1.0 s |
| UV/IR protection | Permanent | Permanent | Permanent | Permanent |
Permanent |
Permanent |
Permanent |
Permanent |
| True color LCD | ✔ | ✔ | ✔ | ✔ |
✔ |
✔ |
✔ |
✔ |
| Sensor slider | - | - | - |
- |
✔ |
✔ |
✔ |
✔ |
| Grinding mode | ✔ | ✔ | ✔ | ✔ | ✔ |
✔ |
✔ |
- |
|
Overhead welding |
✔ | ✔ | ✔ | ✔ |
✔ |
✔ |
✔ |
- |
| Wireless connection | - | - | - | Bluetooth | - |
- |
- |
- |
| Headband | Ergo headband | Ergo headband | Comfort headband | Comfort headband | Comfort headband | Comfort headband | Comfort headband | Comfort headband |
| Weight (in grams) | 640 | 620 | 610 | 550 | 495 | 500 | 482 | 495 |
| Fresh air version | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | - |
Personal protective equipment