TEHZAT KORUMA SEVYELER (EPLs-EQUIPMENT PROTECTION LEVELs) ve ATEX KATEGORLER

ATEX

Kategori

Zone

Patlayc 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 Gbof protection

 

IEC 60079-26

Protection of equipment and transmission systems using optical radiation

op is

IEC 60079-28

Special protection

 

 

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

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 60079-31IEC 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 isop shop 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