N4
Medium Attenuation Ear Defender
Product Features
- SNR 32dB
- Lower profile cup design
- Large ear cushions allow freedom to fit majority of ears for a comfortable fit
- Easy on head adjustment thanks to soft adjustable strap
- Low pressure but high performance neck band ear defender
- Stylish green and black design
- Quality gloss finish for easy maintenance
- Full integration with other PPE
- Maintains performance when using with safety helmets
- Approved to EN352-1: 2002
Certifications
Product Resources
Applications
Aircraft and Airfield Operations
Highway Repairs and Maintenance
Working in Extreme Temperatures
Bottling and Canning
Craft and Hobbies
Food Preparation and Handling
Drilling and Boring
Fossil Fuel Extraction and Refining
Woodwork and Fabrication
General Maintenance
Metal Forging and Processing
Further Information
A high performance, comfortable ear defender without the weight, N4 features large, soft ear cushions and a low profile adjustable head strap for wear with helmets. The N4 model is fully adjustable to provide a superior fit for most head sizes.
Product Specifics
| SKU | HMN/ALP/SOTAN4 |
|---|---|
| Primary Colour |
Green
|
| Secondary Colour |
Black
|
| Headband Cushion Material | Nylon |
| Wire Material | Stainless Steel |
| Ring Material | ABS |
| Clip Material | ABS |
| Cup Material | ABS, Foam |
| Cup Cushion | Foam, PVC |
SNR
| Overall | 32dB |
|---|---|
| High | 35dB |
| Medium | 30dB |
| Low | 22dB |
Certifications
| EN 352-1:2002 | ✓ |
|---|
Packaging
| Items per Case | 20 |
|---|---|
| Case height | 32cm |
| Case width | 66cm |
| Case length | 35cm |
| Case weight | 6.77kg |
Unit Dimensions
| Unit Weight | 283g |
|---|
Certifications
| CE | ✓ |
|---|
Frequencies Protection
| Frequency (HZ) | 125hz (Hz) | 250hz (Hz) | 500hz (Hz) | 1000hz (Hz) | 2000hz (Hz) | 4000hz (Hz) | 8000hz (Hz) |
|---|---|---|---|---|---|---|---|
| Mean Attenuation | 18.1 | 21.1 | 31.4 | 37.7 | 35.9 | 38.4 | 39.4 |
| Standard Deviation | 3.2 | 1.8 | 1.8 | 3.2 | 2.9 | 3.3 | 2.7 |
| Assumed Protection | 15 | 19.3 | 29.5 | 34.5 | 33 | 35 | 36.7 |
Recommendations for Use
Refer to manufacturer instructions before wear. Cup type ear defenders and especially the ear cushions can wear by even normal use and should be frequently inspected for signs of and cracks. Replace the ear cushions if necessary but at least every 6 months. The old sealing pads can be pulled off and the replacements carefully attached to the ear cups in the correct position. The cup foam inlays also should be replaced on a regular basis. (recommended every 6 months). The headband should not be bent or adjusted if not necessary in order to provide the tension required for the optimal performance of the hearing protector.
Cleaning
This product can be adversely affected by certain chemical substances
Additional information should be obtained by the manufacturer
Please do not clean with any chemicals
The ear defenders can be cleaned using a cloth which has been moistened using warm soap water
Allow to dry before reuse
Do not use any abrasive brushes or other materials which could damage the insulating lining or seals
Do not immerse the ear defenders in water
Only use cleaning agents which do not adversley affect the user
Storage
Before use, always keep the ear defender in its original packaging and in a dry, clean, uncontaminated environment. To avoid potential damage, ensure the earpiece pads are not pressed together during storage.
EC Compliance
EU Certification according to Regulation (EU) 2016/425 issued by: SATRA Technology Europe Limited, Bracetown Business Park, Clonee D15 YN2P, Republic of Ireland. [N.B. No.2777].
