3M Optime II H520P3E1 Proteção auditiva fixa ao capacete 30 dB SNR verde

The 3M Optime II H520P3E1 stands out with its helmet-mounted design, offering high attenuation without compromising compatibility with standard industrial helmets. Its double casing technology reduces resonance for reliable protection in demanding noise environments.

Highlights

• High attenuation: SNR 30 dB for effective hearing protection
• Helmet-mounted with P3E slot attachment for secure fit
• Double casing technology minimizes resonance
• Comfortable PVC/PU foam cushions for extended wear
• Durable ABS plastic cups in green

In daily use

Designed for high noise environments such as construction, heavy engineering, and airports, these earmuffs provide consistent protection. The helmet-mounted design keeps them securely in place, while the soft cushions ensure comfort during long shifts. Compatible with most industrial safety helmets featuring 30mm slot attachments.

Full specifications

• SNR: 30 dB
• Attenuation H: 30 dB
• Attenuation M: 28 dB
• Attenuation L: 20 dB
• Product series: 3M Optime II
• Mounting type: Helmet-mounted (P3E slot attachment)
• Compatibility: Most industrial safety helmets with 30mm slot attachments
• Color: Green
• Cup material: ABS Plastic
• Cushion material: PVC/PU Foam
• Standard: EN 352-3
• Recommended application: High noise environments, industrial use, construction, heavy engineering, airports
• Protection level: High
• Cup technology: Double casing technology
• Quantity per pack: 1 Pair

Final note

Trusted protection for professionals who need reliable hearing safety in challenging environments.