EN ISO 20345:2011 – Personal protective equipment – Safety footwear

Cat    Class   Requirements
SB      1/2       Basic requirement (with toecaps)
S1       1          SB + FO + A + E + Closed heel
S1P     1          SB + FO + A + E + Closed heel + P
S2       1          SB + FO + A + E + Closed heel + WRU
S3       1          SB + FO + A + E + Closed heel + WRU + P
S4       2          SB + FO + A + E + Closed heel
S5      2           SB + FO + A + E + Closed heel + P

IEC 61340-5-1:2016
Additional test for ESD, electrostatic discharge requirements

MARKING         MINIMUM REQUIREMENTS
Toecap               200J715000N
AN                      Ankle protection ≤ 20 Kn
A                         Anti-static properties Resistance 100 kΩ–1,000 MΩ
E                        Heel energy absorption ≤ 20 Joules
WRU                  Water resistant upper leather
WR                    Water resistant footwear
C                        Electrical conductive properties Resistance 0.1 MΩ
CI                       Insulation from cold Test -20 °C
HI                       Insulation from heat Test 150 °C
HRO                   Heat-resistant outer sole Test 300 °C
M                       Metatarsal protection ≤ 40 mm
P                        Puncture protection ≥ 1100 Newton

SRA                    Slip resistance properties Coefficient “heel slip” ≥ 0.28 on standard ceramicfloor during cleaning with water + cleaning agent Coefficient “flat slip” ≥ 0.32

SRB                    Slip resistance properties Coefficient “heel slip” ≥ 0.13 on steel floor coated withglycerine lubricant Coefficient “flat slip” ≥ 0.18

SRC                     SRA + SRB