Weldclass PROMAX 350 Blue Auto Welding Helmet

Weldclass PROMAX 350 Blue Auto‑Darkening Welding Helmet

The Weldclass PROMAX 350 is one of Australia’s most trusted auto‑darkening welding helmets, built for fabricators who want clarity, comfort, and reliability on every job. With a large 100×53 mm viewing area, ultra‑clear optics, and a robust 4‑sensor switching system, the PROMAX 350 delivers consistent protection across MIG, Stick, TIG (down to 30 A), grinding, plasma cutting and gouging.

Designed for serious workshop use, this helmet features a dual‑range shade system (5–8 / 9–13), adjustable sensitivity and delay, a dedicated grind mode, replaceable battery with solar assist, and Weldclass’ premium full‑laminate lens construction for long service life. Lightweight, durable, and high‑impact rated — it’s built to work as hard as you do.

⭐ Key Features

• Large Viewing Area (100 × 53 mm) Enjoy better visibility, clearer weld pools, and reduced eye strain.

• Ultra‑Clear Optics – 1/1/1/2 Rating Crisp, distortion‑free vision for precision welding.

• Dual Shade Range 5–8 / 9–13 Covers low‑amp TIG through to heavy MIG and gouging.

• 4 Arc Sensors Reliable switching even in awkward positions or low‑amp TIG.

• Grind Mode (Shade 4) Switch instantly between welding and grinding.

• Adjustable Sensitivity & Delay Fine‑tune response for different processes and environments.

• Full Laminate Lens Construction Superior durability compared to edge‑glued lenses used in cheaper helmets.

• Hinge & Lock Lens Retainer System Fast cover‑lens changes with tight sealing against spatter.

• Magnification Lens Holder Accepts standard 108×51 mm magnifying lenses.

• Replaceable CR2032 Battery + Solar Assist Long battery life and dependable operation.

• Lightweight 480 g Shell Comfortable for all‑day use; shock‑resistant and high‑impact rated.

• Auto‑On / Auto‑Off No buttons — always ready to weld.

🔧 Applications

• Light to medium fabrication

• Rural and workshop maintenance

• MIG welding

• Stick/MMA welding

• TIG welding down to 30 A

• Grinding

• Plasma cutting

• Air‑arc gouging

📐 Technical Specifications

• Switching Speed: Exceeds AS/NZS 1338.1 requirements

• Arc Sensors: 4

• TIG Capability: Down to 30 A

• Power: CR2032 battery + solar assist

• Inactive Shade: 4

• Active Shade: 5–8 / 9–13

• Sensitivity: Adjustable

• Delay: 0.1–1.0 s

• Grind Mode: Yes

• Weight: 480 g

• Viewing Area: 100×53 mm

• Magnification Lens Holder: 108×51 mm

• Optical Rating: 1/1/1/2

• Standards:

  • Lens: AS/NZS 1338.1, EN379, ANSI Z87.1, CSA Z94.3

  • Shell: AS/NZS 1337.1 High Impact, EN175 B, ANSI Z87.1, CSA Z94.3

🛡️ Warranty

7‑Year Auto‑Darkening Lens Warranty (Registration required within 30 days of purchase.)