3M Peltor Optime III H540P3EV protezione uditiva per casco, 35 dB SNR, nero/rosso

Ear defenders with double casing technology for extremely noisy environments. The 3M Peltor Optime III H540P3EV offers high attenuation with an SNR of 35 dB, reducing harmful noise while allowing warning signals to remain audible. Designed for helmet mounting via P3EV attachment, it provides a secure fit on compatible safety helmets.

Advantages

Double casing technology minimizes resonance and maximizes high-frequency attenuation. Wide, soft foam-filled sealing rings ensure a comfortable fit and effective seal, even during long work shifts. The black/red colour scheme is easily identifiable on site.

Suitable for

• Extremely noisy industrial environments
• Construction and heavy engineering
• Airports and ground handling
• Users requiring helmet-mounted hearing protection

Key specifications

• SNR: 35 dB
• High frequency attenuation (H): 35 dB
• Medium frequency attenuation (M): 32 dB
• Low frequency attenuation (L): 23 dB
• Mounting: Helmet mounted (P3EV)
• Material: ABS plastic, PVC, foam
• Colour: Black / Red

Recommendations

Ideal for professionals working in extreme noise who need reliable, helmet-compatible hearing protection with high attenuation and all-day comfort.