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3M-70071730603-PELTOR™ Optime™ III Headband Format Earmuff H540A, Black and Red,

3M-70071730603-PELTOR™ Optime™ III Headband Format Earmuff H540A, Black and Red,

GST Included


  • SLC₈₀ 33dB (Class 5) Product
  • Double casing technology minimises resonance effect
  • Large space inside the cups helps minimise heat and moisture build-up
  • Soft, wide, cushions help reduce pressure around the ears
  • Cushions and inserts available as replacement Hygiene Kits
  • Compatible with the 3M™ E-A-Rfit™ Dual-Ear Validation System for an accurate quantitative assessment of noise reduction and individual hearing protection

The 3M™ PELTOR™ Optime™ III, H540A earmuff is a high-performance hearing protector and has been developed for use in high-noise environments like airports, marine engine rooms, power stations, and print works. The double casing technology minimises resonance in the holder casing resulting in maximum high-frequency attenuation.

The large space inside the cups helps reduce heat and moisture build-up, and the soft, wide foam cushions offer low contact pressure around the ears, making them comfortable to wear for long periods and increasing compliance through user wear preference. Our earmuff stands for effective protection and the highest comfort for the wearer. The cushions and foam inserts are available as Hygiene Kits which are easy to replace if they become worn or damaged, extending the life of the product. 3M™ PELTOR™ Optime™ III Earmuffs are available in neckband, helmet attached and Hi-Viz green models.

Typical Properties


Attenuation Rating

33.0 Decibel

Attenuation Rating (HML)

33 dB SLC80



CSA Class


Case Quantity


Earmuff Style

Over the Head

Electrically Insulated



Dual Moulded Cups

Hearing Protection Style

Over the Head



Product Colour


Product Series


Product Type


Recommended Application

Machine Operation, Grinding, Mining, Blasting, Construction

Recommended Industry

General Manufacturing, Heavy Infrastructure, Transportation, Construction, Mining

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