Experience the difference

The only welding helmet that fully automates protection through its Adaptive Shade Autopilot, automatically adjusting the shade level as one welds in full high-definition viewing.

Enquire Now Download POSDownload ManualDownload Flyer

Fully Automatic with Ultra HD Quality

The Optrel e684 has a new level of clarity not only keeps welders better protected, but enables them to perform their job more efficiently

True Colour

Specially developed UV/IR filter allows for realistic colour perception bringing colour to the welder’s world


Automatically adapts to changing light conditions with the autopilot features through shades 5 to 13

Twilight Function

Reduce eye fatigue and long-term damage with smooth transitions from light to dark states

Heat Reflecting Paint

Stay comfortable and cool at all times with Optrel’s special heat reflecting technology

Highest Class

Boasting the highest quality in all four optical classifications see the world without any distortion

Comfort Headband

Offers an optimized weight balance to protect your neck and back for reduced strain

Technical Data

Shade levels

  • inactive: shade level 4.0
  • active: shade levels 5-13


ADF with shade level range 4/5-13 with autopilot (automatic shade level adjustment), +/- 2 individual manual offset

Power supply

Solar cells, 2 pcs batteries 3V exchangeable (CR2032)


Three Sensors (variable detection angle with movable sensor slider)

Switching time

  • bright to dark: 0.170 ms at room temperature / 0.110 ms at 55°C
  • dark to bright: 0.1 s to 2.0 s (with twilight function)

EN379 classification

  • Optical class: 1
  • Scattered light: 1
  • Homogeneity: 1
  • Angular dependence: 1

Shape stability

  • Welding mask: up to 220 °C
  • Front cover lens: up to 137 °C

Operating temperature

-10°C to + 70°C

Storage temperature

-20°C to + 80°C


500 g

Suitable For

  • Electrode Welding (Stick Welding, SMAW)
  • GMAW High melting rate process
  • Flux Cored Wire Welding
  • TIG Welding (GTAW)
  • Plasma Arc Welding
  • Micro Plasma Arc Welding
  • Plasma Cutting


CE, ANSI, EAC, AS/NZS, fulfils CSA Z94.3

PAPR Option


Want to learn more?
Let's Talk

Optrel is a leading manufacturer of innovative welding helmets and respiratory protective equipment. Made in Switzerland to ISO9001 standards, Optrel products have become synonymous with quality used by industrial professionals worldwide. With exclusive agency in New Zealand, Euroquip is the proud supplier of Optrel products to the NZ market.
© 2021 optrel. All rights reserved.