3M™ PELTOR™ OPTIME™ III H540A EARMUFFS

What the 3M™ PELTOR™ OPTIME™ III H540A Earmuffs are and why choose them

The 3M™ PELTOR™ OPTIME™ III H540A Earmuffs are high-attenuation, over-the-head hearing protectors designed for use in very noisy industrial environments. With a double-cup design and a Single Number Rating (SNR) of 35 dB, they provide very high noise reduction across a wide range of frequencies while maintaining wearer comfort over extended periods.

Main features

• High attenuation with an SNR of 35 dB for use in very noisy environments.
• Double-cup design that helps improve attenuation at lower frequencies.
• Lightweight construction for a high-attenuation earmuff (approximate mass 285 g).
• Stainless steel headband design that helps maintain consistent pressure over time.
• Large internal cup space to reduce heat and moisture build-up.
• Wide, soft cushions to reduce pressure around the ears and improve comfort and wearability.
• Replaceable cushions and inserts available separately to extend product service life.
• Compatible with hygiene kit 3M™ PELTOR™ HY54 and optional HY100 sweat pads.

Technical specifications

• Model: 3M™ PELTOR™ OPTIME™ III Earmuffs (headband H540A)
• Type: Over-the-head earmuffs
• Approximate mass: 285 g
• Attenuation (SNR): 35 dB
• Attenuation values (APVf in dB):
  • 63 Hz: 17,7
  • 125 Hz: 15,3
  • 250 Hz: 22,1
  • 500 Hz: 32,7
  • 1000 Hz: 39,3
  • 2000 Hz: 37,8
  • 4000 Hz: 43,0
  • 8000 Hz: 40,0
• HML values: H = 40 dB, M = 32 dB, L = 23 dB
• Headband and cover materials: Stainless steel wire, PVC, Acetal
• Cups material: ABS
• Insert (liner): Polyester foam
• Cushions and cushion covers: PVC and polyurethane foam
• Cushion cover: PVC
• Hygiene kit (replacement cushions/inserts): HY54
• Optional sweat pads: HY100
• Regulation: EU Regulation 2016/425
• Standards: EN 352-1:2002 (headband version)
• Notified body: Finnish Institute of Occupational Health (FIOH), Notified Body No. 0403

Applications and use cases

The 3M™ PELTOR™ OPTIME™ III H540A Earmuffs are designed to provide very high attenuation suitable for a wide range of noisy industrial environments where high sound levels are present. They are intended for users who require reliable hearing protection with strong noise reduction performance combined with comfort for prolonged wear.

FAQ

What level of noise reduction do these earmuffs provide?

The 3M™ PELTOR™ OPTIME™ III H540A Earmuffs provide an SNR of 35 dB with H = 40 dB, M = 32 dB and L = 23 dB.

Are the cushions and inserts replaceable?

Yes. The cushions and inserts are replaceable and are available as hygiene kit HY54.

What is the approximate weight of the H540A model?

The approximate mass of the 3M™ PELTOR™ OPTIME™ III H540A Earmuffs is 285 g.

What materials are used in the headband and cups?

The headband assembly uses stainless steel wire, PVC and Acetal, while the cups are made from ABS with polyester foam inserts and PVC/PU foam cushions.

To which standards are these earmuffs certified?

They comply with EU Regulation 2016/425 and the harmonised European standard EN 352-1:2002 for headband earmuffs.

Is there an accessory to help manage sweat and moisture?

Yes. Optional HY100 sweat pads can be placed over the headband padding to help absorb moisture and sweat.

Can these earmuffs be used on safety helmets?

No. The H540A model is the headband version. Helmet-mounted versions are designated H540P3.

Are there replacement parts to extend product life?

Yes. Replacement cushions and inserts are available as hygiene kit HY54, which helps maintain comfort and reliable protection.

*Contenido generado por IA