Product Description
The 3M Optime III Headband Ear Defenders (H540ASV) are high-performance hearing protectors engineered for use in extremely noisy industrial environments. Designed with a dual-cup system that provides maximum noise attenuation, these earmuffs deliver a Noise Reduction Rating of up to 30 dB, making them suitable for heavy industrial, airport, mining, and engineering environments.
The broad sealing rings are filled with soft plastic foam, reducing contact pressure and ensuring long-lasting comfort during extended wear. The robust, adjustable headband ensures a secure fit while maintaining even pressure over the head. Certified to EN352-1, these ear defenders offer dependable overhead protection in the toughest working conditions.
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FEATURES
• High-performance ear defenders for extremely noisy workplaces
• Noise reduction up to 30 dB
• Broad, foam-filled sealing rings for improved comfort
• Low contact pressure for extended all-day use
• Strong, adjustable headband for secure overhead wear
• Dual-cup design enhances noise attenuation
• Certified to EN352-1 safety standard
• Colour: Red and Black
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IDEAL FOR
• Industrial environments
• Manufacturing and metalworking
• Heavy engineering and fabrication
• Airports and aircraft maintenance
• Mining and quarrying
• Construction sites
• Workers exposed to continuous high-level noise
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SPECIFICATIONS
| Specification | Details |
|---|---|
| Brand | 3M |
| Model | Optime III H540ASV |
| Type | Over-Ear Headband Ear Defenders |
| Noise Reduction | 30 dB |
| Standard Compliance | EN352-1 |
| Colour | Red / Black |
| Fit Type | Overhead Headband |
| Country of Origin | Poland |
| OEM Code | H540ASV |
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QUESTIONS & ANSWERS
Q: What noise reduction level do these ear defenders provide?
A: They offer up to 30 dB of noise attenuation.
Q: Are the ear cushions comfortable for long shifts?
A: Yes — the sealing rings are foam-filled to reduce pressure and improve comfort.
Q: Are these suitable for extremely noisy environments?
A: Absolutely — they are designed for heavy industrial and high-noise workplaces.
Q: What standard do they comply with?
A: They are certified to EN352-1 for overhead hearing protection.
Q: Can these be worn for extended periods?
A: Yes — the low contact pressure and padded cushions allow long-term use with minimal fatigue.
