Eksplosionssikre lys, distinct from other explosion-proof electrical equipment, can be categorized into five types of explosion-proof methods: flammesikker, øget sikkerhed, positivt tryk, ikke gnister, og støv. Imidlertid, these five methods are not exhaustive.
Eksplosionssikker type | Gaseksplosionssikkert symbol | Støveksplosionssikkert symbol |
---|---|---|
Egensikker type | bl.a,ib,ic | bl.a,ib,ic,iD |
Exm | ma,mb,mc | ma,mb,mc,mD |
Barotropisk type | px,py,pz,pxb,pyb,pZc | s;pb,pc,pD |
Forøget sikkerhedstype | e,eb | / |
Brandsikker type | d,db | / |
Olie nedsænket type | o | / |
Sandfyldt form | q,qb | / |
N-type | nA,nC,nL,nR,nAc,nCc,nLc.,nRc | / |
Speciel type | S | / |
Skalbeskyttelsestype | / | over,tb,tc,tD |
Due to the wide range of applications for explosion-proof lights, there are numerous varieties, including a special type that combines multiple explosion-proof methods.