3M™ PELTOR™ Optime™ 101 Earmuffs H7P3E-01, Hard Hat Attached, 10 EA/Case

  • 3M Product Number H7P3E-01
  • 3M ID 7000141056
  • UPC 07318640051652


Cap-mounted design allows for easy use with most hard hats.

Color-coding for compliance sighting.

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Tech Data Sheet (PDF, 267KB)


  • Dielectric
  • Cap-mounted design allows for easy use with most hard hats
  • Color-coding for compliance sighting
  • Noise Reduction Rating (NRR)*: 24 dB. CSA Class A

3M™ Peltor™ Optime™ 101 dielectric cap-mounted earmuffs feature a stainless steel headband for consistent force and effective hearing protection.

For noise levels up to 101 dBA, these cap-mount earmuffs provide effective hearing protection.

  • Dielectric
  • Cap-mounted design allows for easy use with most hard hats.
  • Liquid/foam filled ear cushions.
  • Color-coding for compliance sighting.
  • Noise Reduction Rating (NRR)*: 24 dB. Class A

*The NRR may overestimate the hearing protection provided during typical use. 3M recommends reducing the NRR by 50% for estimating the amount of noise reduction provided.

3M is Leading the Advancement of Hearing Conservation.

Typical properties



Related Products

Attenuation Rating 24.0 Decibel
Brands PELTOR™
CSA Class CSA Class AL
Case Quantity 10
Corded No
Dielectric Yes
Earmuff Style Hard Hat Attached
Electrically Insulated Yes
Hearing Protection Style Hard Hat Attached
Material ABS
Metal Detectable No
Moisture Resistant No
Product Color Black, Green
Product Series Optime
Product Type Earmuff
Recommended Application Assembly, Blasting, Cleaning, Demolition, Facility Maintenance, Grinding, Machine Operation, Painting, Sanding, Welding
Recommended Industry Automotive, General Manufacturing, Metal Fabrication, Military Maintenance, Repair & Operation (MRO), Mining, Oil & Gas, Pharmaceutical, Transportation
Shape Earmuffs

Frequently bought together

For industrial/occupational use only. Not for consumer sale or use.

3M industrial and occupational products are intended, labeled, and packaged for sale to trained industrial and occupational customers for workplace use. Unless specifically stated otherwise on the applicable product packaging or literature, these products are not intended, labeled, or packaged for sale to or use by consumers (e.g., for home, personal, primary or secondary school, recreational/sporting, or other uses not described in the applicable product packaging or literature), and must be selected and used in compliance with applicable health and safety regulations and standards (e.g., U.S. OSHA, ANSI), as well as all product literature, user instructions, warnings, and other limitations, and the user must take any action required under any recall, field action, or other product use notice. Misuse of 3M industrial and occupational products may result in injury, sickness, death, or property damage. For help with product selection and use, consult your on-site safety professional, industrial hygienist, or other subject matter expert. If this product is being purchased for use in firefighting duties, please review this Notice Regarding Fluorinated Organic Compounds.