Dielectric Boots

Dielectric HV3 Boots

A Class 3 AC (EN 50321-1:2018) electrically insulating dielectric boot with an integral steel toe cap. The Workmaster™ Dielectric HV3 boot allows high voltage live working at up to 26.5kV with every boot tested at 30kV.

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Product Features

  • 200 Joule epoxy coated steel toe cap
  • Heat resistant sole EN 20345:2012 HRO, 60 seconds at 300°C 
  • Cold insulation to EN ISO 20345:2012 CI
  • Slip resistant moulded sole
  • Cleated outsole for maximum grip
  • Energy absorbing tunnel system in heel to EN 20345:2011 E
  • Injection moulded using our proprietary HV3 compound for a seamless boot with superior electrical insulation properties
  • Non-wicking knitted nylon lining
  • Step voltage protection up to 35kV**
  • Arc flash protection – Meets the requirements of ASTM F2621-2019 at 40Cal/cm²
  • Lightweight for increased wearer comfort
  • Superb low temperature flexibility down to -40°C
  • Environmentally friendly PVC and Halogen free construction
  • Biodegradeable & Phalate free
  • Ergonomic cushioned insole (removable & machine washable) for greater wearer comfort
  • Kick-off lug
  • Adjustable height
  • CE marked on the shaft with date and year of manufacture
  • REACH Compliant
  • Machine washable at up to 40°C
  • Five year shelf life


Safety Footwear

EN ISO 20345:2011 - SB E SRC

Electrically Insulating Footwear

EN 50321-1:2018 Class 3 AC

Personal Protective Equipment

PPE Regulation (EU) 2016/425

Dielectric Footwear

Conforms to ASTM F1117


Machine washable at up to 40℃

5 Year shelf life


Commodity Code: 6401100000

UK 3 4 5 6 7 8 9 10 11 12 13 14 15
EU 35 36 37 39 41 42 43 44 45 46 47 49 50
US 4 5 6 7 8 9 10 11 12 13 14 15 16

Workmaster™ boots are generously sized as they are designed to accommodate wearers with thicker socks or a thermal lining. We recommend downloading the A3 Size Guide below to ensure the perfect fit.


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Dielectric HV3 Boots

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