Use of protection modes

Three types of zones with an explosion risk

Zones	0		1		2
	0	20	1	21	2	22
Nature of atmosphere (G= Gas ou D= Dust )	G	D	G	D	G	D
Explosive atmosphere	Permanent presence		Intermittent presence		Episodical presence
Category of the apparatuses being able to be used according to new directive 94/09/CE	1		2		3

Choice of electric material for explosive atmosphere

Site	Applicable standard	Protection mode	Symbole	EuropEX products
Zone 1	EN 50016	Internal overpressure	"p"	Automatic Pressurization System
Zone 2	EN 50021	Anti-spark	"n"	Purge System

 

For any other request, please consult us to obtain a product specific to your needs.

Classification of the maximum temperatures of surface of the electric materials of group II

Temperature class	T1	T2	T3	T4	T5	T6
Maximal surface temperature°C	450	300	200	135	100	85

 

 

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