3M PELTOR Optime III H540A Ear Muffs 35 dB Hearing Protection EN352

3M PELTOR™ Optime™ III H540A – Ear Muffs for Extreme Noise (35 dB)

The 3M PELTOR™ Optime™ III H540A ear muffs are premium hearing protection devices, engineered for extreme noise environments, delivering maximum attenuation and superior comfort.

Thanks to advanced double-shell technology, these ear defenders provide outstanding noise reduction while still allowing important signals and communication to be heard.

Key features and advantages

• Maximum noise reduction (SNR 35 dB)

Provides top-level protection for extremely loud environments.

• Double-shell capsule technology

Reduces resonance and maximizes high-frequency attenuation for enhanced protection.

• Optimized frequency attenuation

– High: 40 dB

– Medium: 32 dB

– Low: 23 dB

Ensures balanced and effective noise reduction across all frequencies.

• Maintains situational awareness

Allows conversations and warning signals to remain audible.

• Low contact pressure design

Ensures comfort even during extended wear.

Comfort & Design

• Soft sealing cushions

Provide a secure fit and improved comfort.

• Slim ergonomic profile

Designed for long-term professional use.

• Adjustable headband system

Ensures a personalized and stable fit.

• Replaceable cushions and inserts

Easy maintenance and extended product lifespan.

Applications

• Heavy industry

• Airports and aviation

• Mining and drilling

• Manufacturing plants

• High-noise industrial environments

Technical specifications

• Manufacturer: 3M

• Model: PELTOR™ Optime™ III H540A (7000039622)

• Type: Ear muffs / hearing protection

• Noise reduction: SNR 35 dB

• Attenuation levels:

– High: 40 dB

– Medium: 32 dB

– Low: 23 dB

• Standard: EN 352-1

• Capsule material: ABS plastic

• Cushion material: Polyether / PVC

• Headband material: Stainless steel wire, PVC, acetal

• Design: Double shell, slim profile

• Color: Red / black

• Application: Extreme noise environments

• Year: 2024

• Condition: New

• Serial number: 780 850328 0010