What does ATEX rating mean?

If a product / piece of equipment has official ATEX certification, it has been fully tested and approved to be safe to use in hazardous / explosive atmospheres.

How do you read ATEX?

The ATEX suffix gets into the detail of how the device is protected from causing an explosion when installed in a hazardous area and what that hazard conditions are. The ATEX suffix always starts with Ex to indicate Explosion Protection and is then followed by 4 more sections whether it is for Gas or Dust applications.

What is ATEX coding?

What is an ATEX coding? The ATEX code is an alphanumeric string that denotes the certification achieved by the product along with the environment and conditions it is suitable for. The code can be broken down into a prefix, for example: CE0518 Ex II 2 G and suffix, for example: Ex d IIC T6 Gb.

What is ATEX zone classification?

In a hazardous dust environment, an ATEX Zone 21 is classified as an area that is classified ‘as a place in which an explosive atmosphere in the form of a cloud of combustible dust in the air is likely to occur occasionally during normal operation’ whereas an ATEX Zone 22 is classified as ‘a place in which an explosive …

What is ATEX Zone 1 certification?

ATEX Zone 1 Definition – What is Zone 1? A Zone 1 area is classified as a place in which an explosive atmosphere consisting of a mixture with air or flammable substances in the form of gas, vapour or mist is likely to occur in normal operation occasionally.

What does ATEX CODE II 2G eexd T4 mean?

An ATEX approved electrical product is marked with the following code: II 2G Eexd IIB T4 From the breakdown of the code below it can be seen that the product is flameproof,suitable for use in zone 1 surface applications where gas group B gases may be present and the surface temperature of the product under fault conditions will not exceed 135 ºC.

What do you need to know about ATEX certification?

ATEX certification of products for use in potentially hazardous atmospheres is compulsory. The ATEX directive classifies equipment into groups and categories which are defined by the marking on the equipment – see “Product marking” below.

What are the codes for ATEX approved electrical products?

An ATEX approved electrical product is marked with the following code: From the breakdown of the code below it can be seen that the product is flameproof,suitable for use in zone 1 surface applications where gas group B gases may be present and the surface temperature of the product under fault conditions will not exceed 135 ºC.

What is the maximum permissible surface temperature for ATEX?

ATEX General information. Temperature class Maximum permissible surface temperature of the equipment (°C) T1 450 T2 300 T3 200 T4 135 T5 100 T6 85. ATEX. According to 94/9/EC, a device that is to be used in an environment at risk of explosion may only be brought into the market if it satisfies the standards specified in the norm.