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|
Protection Concept |
Zone(s) |
ATEX Category |
Methodology | |
|
Intrinsic Safety |
ia |
0,1,2 |
1 |
Limited energy - will not cause ignition in normal operation, with one fault and with any combination of two faults applied |
|
ib |
1,2 |
2 |
Limited energy - will not cause ignition in normal operation, with one single fault applied | |
|
ic |
2 |
3 |
Limited energy - will not cause ignition in normal operation | |
|
Flameproof |
d |
1,2 |
2 |
Explosion containment, will not allow transmission of an internal explosion to the surrounding environment |
|
Increased Safety |
e |
1,2 |
2 |
Prevention of arcs, sparks and hot surfaces in normal operation |
|
Pressurised |
p |
1,2 |
2 |
Excludes the hazardous atmospheres by 50Pa positive pressure of inert gas |
|
Powder Filled |
q |
1,2 |
2 |
High power electronics, such as solenoids, capacitors etc. prevents the explosive atmosphere reaching a hazard |
|
Encapsulation |
m |
1,2 |
2 |
Light current applications and instrumentation |
|
Oil immersion |
o |
1,2 |
2 |
High current switchgear, transformers etc. prevents the explosive atmosphere reaching a hazard |
|
Non sparking |
n |
2 |
3 |
Is not capable of causing an ignition and faults are unlikely to occur |
Consectetuer adipiscing
Consectetuer adipiscing elit. Morbi commodo, ipsum sed pharetra gravida, orci magna rhoncus neque, id pulvinar odio lorem non turpis. Nullam sit amet enim. Suspendisse id velit vitae ligula volutpat condimentum. Aliquam erat volutpat. Sed quis velit. Nulla facilisi. Nulla libero.
Sed aliquam, nunc eget euismod ullamcorper, lectus nunc ullamcorper orci, fermentum bibendum enim nibh eget ipsum. Donec porttitor ligula eu dolor. Maecenas vitae nulla consequat libero cursus venenatis.
Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Morbi commodo, ipsum sed pharetra gravida, orci magna rhoncus neque, id pulvinar odio lorem non turpis. Nullam sit amet enim. Suspendisse id velit vitae ligula volutpat condimentum. Aliquam erat volutpat. Sed quis velit. Nulla facilisi. Nulla libero. Vivamus pharetra posuere sapien. Nam consectetuer. Sed aliquam, nunc eget euismod ullamcorper, lectus nunc ullamcorper orci, fermentum bibendum enim nibh eget ipsum. Donec porttitor ligula eu dolor. Maecenas vitae nulla consequat libero cursus venenatis.
Urna non consequat tempus, nunc arcu mollis enim, eu aliquam erat nulla non nibh consectetuer malesuada velit. Nam ante nulla, interdum vel, tristique ac, condimentum non, tellus. Proin ornare feugiat nisl.
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