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3M Peltor


3M PELTOR Optime III 33DB Rating Class 5 Earmuffs H540A

3M PELTOR Optime III 33DB Rating Class 5 Earmuffs H540A

Regular price $119.50 NZD
Regular price Sale price $119.50 NZD
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3M™ PELTOR™ Optime™ III Earmuffs, H540A are a high performance hearing protector, developed for use in extremely noise environments like airports, marine engine rooms, power stations and print works.

Get comfortable, high performance hearing protection with 3M™ PELTOR™ Optime™ III Earmuffs. They’re ideal for use in extremely loud environments such as airports, power stations, marine engine rooms and print works. Our earmuffs reduce noise levels up to 33 dB and have a double-casing technology that 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 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.

Features of 3M PELTOR Optime III Earmuffs H540A

  • Features unique “double-shell” earcup design (two cups connected via foam inner layer) to boost the noise reduction throughout the full range of low and high frequencies
  • Durable stainless steel headband resists bending and warping and distributes weight for a low-pressure fit
  • Lightweight headband works in conjunction with earcup pivot points that tilt to maximize wearer comfort
  • Soft, liquid & foam filled replaceable cushions help the earmuffs fit comfortably against the head to help provide an effective noise-blocking seal
  • High protection level: SLC80-33db, Class 5
  • Formerley 3M Peltor H10A Optime 105 Earmuffs - same specificatons


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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