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94/9/EC ATEX 95 Technical data

Technical data

The tables below give an overview of the available concepts and their principles.

 
  • Protection Classes

 

 Protection Type

 Code

  CENELEC EN

 IEC

Equipment Category (non-mining)

 General Requirements

 -

 60079-0

  60079-0

 -

 Oil Immersion

 o

 50015

  60079-6

 2

 Pressurised

 p

 60079-2

  60079-2

 2

 Powder Filled

 q

 50017

  60079-5

 2

 Flameproof Enclosure

 d

  60079-1

  60079-1

 2

 Increased Safety

 e

  60079-7

  60079-7

 2

 Intrinsic Safety

 ia

 50020

  60079-11

 1

 Intrinsic Safety

 ib

 50020

  60079-11

 2

 Type n (Ex n)

 n

  60079-15

 60079-15

 3

 Encapsulated

 m

 50028

  60079-18

 2

 
  • Hazardous Area Classification

 

CENELEC Classifikation IEC60079-10

 Existence of pot. explosive atmosphere

  Equipment Category brennbare Medien 
 Zone 0  Continuously, for long periods or often

 1G

  Gases, Vapours
 Zone 22

 1D

 Dust

 Zone 1

Occasionally

 2G

  Gases, Vapours

 Zone 21

 2D

 Dust

 Zone 2  Rarely and for short periods

 3G

  Gases, Vapours
 Zone 22

 3D

  Dust
 
  • Gas Groups

      

Gas (examples)  CENELEC

 Propane

 IIA

 Ethylene

 IIB

 Hydrogen

 IIC

 Acetylene

 IIC

 Methane (mining)

 I

 
  • Temperature Classes

      

Max Surface Temperature (°C)  Temperature class CENELEC

 450

 T1

 300

 T2

 200

 T3

 135

 T4

 100

 T5

 85

 T6