Explosion protection

Explosion-proof devices must be used in plants where potentially explosive atmospheres are likely to occur. These devices are designed so that they will not act as ignition source. Their constructive measures prevent the occurrence of ignition sparks or hot surfaces.

 

Certification is performed in close collaboration with national and international certification bodies. The table below lists the various approvals of AUMA devices: ATEX (Europe), IEC (international level), and FM (USA).

Explosion protection

ATEX (Europe)

Ex de IIC/IIB T4 or T3 Ex d IIC/IIB T4 or T3

 

IEC (international)

Ex de IIC/IIB T4 or T3 Ex d IIC/IIB T4 or T3

 

FM (USA)

FM CLASS I DIV 1 GROUPS (B), C, D T4 (T3C) FM CLASS II DIV 1 GROUPS E, F, G T4 (T3C) FM CLASS III DIV 1 T4 (T3)

 

Russia (ROSTECHNADZOR/EAC (TR-ТС))
1ExdeIICT4/T3
1ExdIICT4/T3

 

Approvals for other countries:

  • Brasil, INMETRO
  • China, CQST
  • India, CCOE
  • Japan, TIIS
  • Canada, CSA
  • Korea, KOSHA
  • South Africa, SABS
  • Belarus, Gospromnadzor

 

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