Dielectric Boots

An electrically insulating dielectric boot with an integral steel toe cap and vulcanised rubber sole for superior slip resistance. The Respirex Dielectric boot allows high-voltage live working at up to 17kV, with every boot tested at 20kV AC, with optional DC testing at 40kV (Class 1).

High Voltage (Dielectric Class 2)
High Voltage (Dielectric Class 2): Dielectric boots that comply with EN 50321 standard for electrically insulating footwear Class 2.
SB Category Safety Boot
SB Category Safety Boot Description
Slip Resistant SR
Slip Resistance SR: denotes slip resistance to glycerine on ceramic tile floor as stated in Table 16, EN ISO 20345:2022
Vulcanised Rubber Sole
Vulcanised Rubber Sole Description
Energy Absorbing Heel
Energy Absorbing Heel: Provides a minimum of 20J cushioning at the heel, reducing the risk of fatigue and injury to joints and spine. Boot Marking: E
Toecap
Toecap: Epoxy coated steel toecap fitted tested for 200J impact resistance and 15kN compression.
Fuel Oil Resistant
Fuel and Oil Resistant: The outer sole is resistant to oil, ensuring the working life of the boot won’t be compromised if used in oily environments. The test involves immersion in oil for 22 hours after which the sole is checked for excessive swelling, shrinkage or increased hardness. Boot Marking: FO
Cold Insulation
Cold Insulation: The thermal insulation properties of the boot ensure that the temperature decrease inside a boot at 23°C when placed in a cold chamber at -17°C is less than 10°C after 30 minutes when measured at the upper surface of the insole. Boot Marking: CI
Hot Contact
Hot Contact: The sole has been tested for contact with a hot metal surface at 300°C for 60 seconds. Boot Marking: HRO
Ladder Grip
Additional cleats added to the instep of the footwear to improve grip on the rungs of a ladder. Boot Marking: LG (2024 Standard)

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Product Features

Injection moulded using our proprietary Dielectric compound for a seamless boot with excellent electrical insulation properties
Step voltage protection up to 35kV*
Arc flash protection – Meets the requirements of ASTM F2621-2019 at 40Cal/cm²**
200 Joule epoxy coated steel toe cap (soft toe version also available)
Vulcanized rubber sole for improved slip resistance - 30% better than a conventional safety boot sole
Durable, cut-resistent vulcanised rubber sole, significantly extends working life, even in harsh terrain
Cleated outsole for maximum grip in wet and oily conditions (SR)
Heat resistant sole EN 20345:2022 HRO, 60 seconds at 300°C
Cold insulation to EN ISO 20345:2022 CI
Fuel and oil resistant sole
Ergonomic cushioned insole (removable & machine washable) for greater wearer comfort
Energy absorbing tunnel system in heel to EN 20345:2022 E
Non-wicking knitted nylon lining
Kick-off lug
Adjustable height
CE marked on the shaft with date and year of manufacture
REACH Compliant

Certification

Safety Footwear

EN ISO 20345:2022 - SB E CI HRO SR FO

Electrically Insulating Footwear

EN 50321:2018 Class 2

Dielectric Footwear

ASTM F1117

Personal Protective Equipment

PPE Regulation (EU) 2016/425

Additional Testing

Step Voltage Protection

ASTM 2413 EH (18kV)

Care

Machine washable at up to 40℃

Shelf life of 10 years

Sizing

Commodity Code: 6402911000

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.

DOWNLOAD A3 SIZE GUIDE