TEÇHÝZAT KORUMA SEVÝYELERÝ (EPLs-EQUIPMENT PROTECTION LEVELs) ve ATEX KATEGORÝLERÝ

ATEX

Kategori

Zone

Patlayýcý Ortam

EPL

Type of protection

Code

According to

1

0

Gaz

“Ga”

Intrinsically safe

“ia”

IEC 60079-11

Encapsulation

“ma”

IEC 60079-18

Two independent types each meeting EPL “Gb”of protection

 

IEC 60079-26

Protection of equipment and transmission systems using optical radiation

“op” is

IEC 60079-28

Special protection

 

 IEC 60079-33

20

Toz

“Da”

Encapsulation

“ma”

IEC 60079-18

Protection by enclosure

“ta”

IEC 60079-31

Intrinsically safe

“ia” or “iaD”

IEC 60079-11 or

IEC 61241-11

Special protection

“sa”

IEC 60079-33

2

1

Gaz

“Gb”

Flameproof enclosures “d” IEC 60079-1

“d”

IEC 60079-1

Increased safety

“e”

IEC 60079-7

Intrinsically safe

“ib”

IEC 60079-11

Encapsulation

“m” “mb”

IEC 60079-18

Oil immersion

“o”

IEC 60079-6

Pressurized enclosures

“p”,“px”,“py”,“pxb”,“pyb”

IEC 60079-2

Powder filling

“q”

IEC 60079-5

Fieldbus intrinsically safe concept  (FISCO)

 

IEC 60079-27

Protection of equipment and transmission systems using optical radiation

“op is”,“op sh”,“op pr”

IEC 60079-28

21

Toz

“Db”

Encapsulation

“mb”

IEC 60079-18

Protection by enclosure

“tb” or “tD”

IEC 60079-31

IEC 61241-1

Pressurized enclosures

“pD”

IEC 61241-4

Intrinsically safe

“ib” or “ibD”

IEC 60079-11 or

IEC 61241-11

Special protection

“sb”

IEC 60079-33

3

2

Gaz

“Gc”

Special protection

“sb”

IEC 60079-33

Encapsulation

“mc”

IEC 60079-18

Non-sparking

“n” or “nA”

IEC 60079-15

Restricted breathing

“nR”

IEC 60079-15

Energy limitation

“nL”

IEC 60079-15

Sparking equipment

“nC”

IEC 60079-15

Pressurized enclosures

“pz” or “pzc”

IEC 60079-2

Protection of equipment and transmission systems using opticalradiation

“op is”“op sh”“op “pr”

IEC 60079-28

Special protection

“sc”

IEC 60079-33

22

Toz

“Dc”

Encapsulation

“mc”

IEC 60079-18

Protection by enclosure

“tc” or “tD”

IEC 60079-31

IEC 61241-1

Pressurized enclosures

“pD”

IEC 61241-4

Intrinsically safe

“ic”

IEC 60079-11

Special protection

“sc”

IEC 60079-33