3M SecureFit H-701SFR-UV Safety Helmet (Non-Vented, Class E)

The 3M SecureFit H-701SFR-UV hard hat is a genuine 3M safety helmet with a non-vented shell for electrical protection. It features a 4-point ratchet suspension, a built-in Uvicator sun-exposure sensor and Class E electrical insulation, so it keeps workers protected and comfortable on demanding sites.

Product overview

This is the non-vented (solid shell) version of the 3M SecureFit H-700 Series. Because the shell has no vents, it provides Class E electrical insulation up to 20,000 volts, which makes it suitable for electrical and utility work. In addition, the Uvicator sensor changes colour as the helmet ages in UV light, giving a simple visual reminder of when to replace it.

Key features and benefits

• Class E electrical protection: non-vented shell rated for electrical environments up to 20,000 V.
• 4-point ratchet suspension: easy one-hand adjustment for a secure, comfortable fit.
• Uvicator UV sensor: a colour-changing sensor shows when UV exposure means it is time to replace the helmet.
• SecureFit comfort: a lightweight, balanced shell designed for long wear.
• Accessory ready: compatible with 3M ear muffs and face shields for a complete head-protection system.

Main industries and applications

• Electrical & utilities: work near live equipment where Class E protection is required.
• Construction & infrastructure: general head protection on building sites.
• Oil, gas & heavy industry: demanding outdoor environments.
• Manufacturing & warehousing: impact protection in production and logistics.

Technical specifications

Why buy from Techmaster Electronics

Techmaster Electronics is an authorised supplier of 3M personal protective equipment in Vietnam. We supply genuine 3M safety helmets, advise on the right protection class for your work, and provide dependable after-sales support. Contact Techmaster for a free consultation and a quotation.

Frequently asked questions

Is the H-701SFR-UV vented or non-vented?

It is the non-vented version, with a solid shell that provides Class E electrical insulation. For hot environments, the vented H-701SFV-UV is available.

What does Class E mean?

Class E (Electrical) helmets are tested to protect against contact with electrical conductors up to 20,000 volts.

What is the Uvicator sensor?

The Uvicator is a sensor on top of the helmet that fades with UV exposure, giving a visual cue that the helmet has aged and should be replaced.

Can I add ear muffs or a face shield?

Yes. The H-700 Series is compatible with 3M head-protection accessories such as ear muffs and face shields. Ask Techmaster for compatible parts.