Equipment protection level

EPL (Equipment Protection Level) according to IEC/EN 60079-xx series of standards

Definition:

The level of protection assigned to equipment based on its risk of becoming a source of ignition, and distinguishing the differences between explosive gas atmospheres, explosive dust atmospheres, and the explosive atmospheres which may exist in coal mines

 Link between Zones, Atex categories and EPL:

 Area towards Equipment

 Area Classification

Equipment category/level

Explosive Consentratio

Zone

Risk

Equipment Group

Atex Category

IEC - EPL

Often/longer periods

0

High, safe with 2 faults    

II

1G

Ga

Occasionally

1

High, safe with 1 fault

II

2G (1G)

Gb (Ga)

Rarely/most likely never

2

Normal

II

3G (1G/2G)

Gc (Ga/Gb)

Often/longer periods

20

High, safe with 2 faults

II*

1D

Da

Occasionally

21

High, safe with 1 fault

II*

2D (1D)

Db (Da)

Rarely/most likely never

22

Normal

II*

3D (1D/2D)

Dc (Da/Db)


-

High, safe with 2 faults

I

M1

Ma


-

High, safe with 1 fault

I

M2

Mb

* According to IEC 60079-0, 2007, equipment group for dust is to be group III

scroll up
scroll down

QUALITY ASSURANCE

During all stages of our manufacturing and production process, a fully documented and approved Quality Assurance System to ISO 9001 is imposed to ensure the highest quality throughout.
READ CERTIFICATE 
DNH AS   Gruvevn. 2-4, 3770 Kragerø, Norway   Phone: + 47 35 98 56 00   Fax: + 47 35 98 56 10   E-mail: dnh@dnh.no  
Web design and CMS: InCreo