EN ISO 20345:2022
- Personal protective equipment - Safety shoes


Class 1 – Safety footwear of leather
​​​​​​​​Class 2 – Safety footwear of PVC/PU/rubber

Cat      Class       Requirements
SB                              Basic requirements (With scuff cap protection)
S1                              A + E + Closed heel
S2             1               S1 + WPA
S3                              S2 + P +  Sole pattern
S3L                            S2 + PL + Sole pattern
S3S                            S2 + PS + Sole pattern
S4                              A + E + Closed heel
S5             2               S3 + Sole pattern
S5L                            S4 + PL + Sole pattern
S5S                           S4 + PS + Sole pattern
S6                              S2 + WR
​​​​​​​S7                              S3 + WR
S7L                            S3L + WR
S7S                           S3S + WR
SBH                          / Hybrid shoes

IEC 61340-5-1:2016 Additional test for ESD, requirements for dissipation of static electricity

Safety toe          200J/15000N
AN                     Ankle protection ≤ 20 Kn
A                        Antistatic properties Resistance 100kΩ–1000MΩ
E                        Energy absorbing heel ≤ 20 Joule
WPA                  Water-repellant upper
​​​​​​​WR                    Waterproof shoes
C                       Electrically conductive properties Resistance 0.1 MΩ
CI                      Cold Insulation Test -20°C
HI                      Heat-insulating Test 150°C
HRO                  Heat-resistant outer sole Test 300°C
M                       Protection of the midfoot ≤ 40 mm
PL                      Anti-puncture protection ≥ 1100 Newton 4.5 mm nails
PS                     Anti-puncture protection ≥ 1100 Newton 3.0 mm nails

SR                     Anti-slip properties. Heel forward - forefoot backward on ceramic tile with glycerin.
SC                     Toe protector (Scuff cap) - abrasion test: 8000 repetitions with P180 paper.
LG                     LG Ladder grip – defined heel of min. 1.5 mm

This is only an excerpt from the standard, subject to errors. For the complete and latest version of the standard, visit standard.no

Last update: January 2024.