Explosion-proof lights, distinct from other explosion-proof electrical equipment, can be categorized into five types of explosion-proof methods: flameproof, increased safety, positive pressure, non-sparking, and dust. However, these five methods are not exhaustive.
Tipo a prova di esplosione | Simbolo antideflagrante dei gas | Simbolo antideflagrante della polvere |
---|---|---|
Tipo a sicurezza intrinseca | ia, ib, ic | ia, ib, ic, iD |
Exm | ma, mb, mc | ma,mb,mc,mD |
Tipo barotropico | px,py,pz,pxb,pyb,pZc | p;pb,pc,pD |
Tipo di sicurezza aumentata | e,eb | / |
Tipo ignifugo | d,db | / |
Tipo a immersione in olio | o | / |
Stampo riempito di sabbia | q,qb | / |
Tipo N | nA,nC,nL,nR,nAc,nCc,nLc.,nRc | / |
Tipo speciale | S | / |
Tipo di protezione del guscio | / | ta, 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.