3M Peltor Optime III Ear Defender H540A
The 3M PELTOR Optime III Ear Defender H540A Earmuff are high-performance hearing protection earmuffs designed for extremely noisy environments. Offering advanced noise reduction and superior comfort, these earmuffs are ideal for professionals working in industries such as airports, power stations, marine engine rooms, print works and heavy manufacturing facilities.
Providing exceptional noise attenuation of up to 33–34 dB, the Optime III earmuffs help protect users from hazardous noise levels in demanding workplaces. They are tested to EN 352:2020 standards, ensuring reliable and certified hearing protection. These earmuffs incorporate double casing technology, which helps minimise resonance and maximise noise reduction across different frequencies. This advanced design significantly improves performance in environments with high levels of low-frequency noise.
Comfort is also a key feature of the Optime III H540A earmuffs. The large space inside the ear cups reduces heat and moisture build-up, helping maintain comfort during extended wear. Additionally, the wide foam sealing rings provide a secure acoustic seal while distributing pressure evenly around the ears for improved long-term comfort.
Features
- Reducing noise levels from 33-34 dB, model dependant, tested to EN 352:2020
- Double casing technology minimises resonance effect
- Large space inside the cups helps minimise heat and moisture build-up
- Wide, comfortable foam sealing rings provide optimum seal and ideal comfort, even during long periods of use
- Cushions and inserts available as replacement Hygiene Kits
- Available in headband, neckband, helmet attached and Hi-Viz green models
- Extremely noisy environments, such as airports, power stations, marine engine rooms and print works
- The Hi-Viz green is ideal for workers who need hearing protection and be extra visible – on road construction sites, airports or other high-risk workplaces
- Part Number: H540A | 7000032480
Specifications
| Attenuation Rating: | 33 dB, 34 dB |
| Attenuation Rating (HML): | H=35 M=32 L=23, H=35 M=32 L=24 |
| Attenuation Rating (SNR): | 33 Decibel, 34 Decibel |
| Bluetooth: | No |
| Brands: | PELTOR |
| Built In FM and or AM Radio: | No |
| Built in 2-Way Radio: | No |
| Communication via External 2-Way Radio: | No |
| Dielectric: | No |
| Earmuff Style: | Over the Head, Hard Hat Attached, Behind the Head |
| Hearing Protection Style: | Headband, Helmet Mounted, Neckband |
| Material: | ABS |
| Noise Attenuating Headsets: | Yes |
| Product Colour: | Black/Red, High Visibility |
| Recommended Industry: | Agricultural, Mining, Transportation, Construction |
| Specifications Met: | EN 352-1:2020, EN 352-3:2020, CE Approved |
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