Detailed Answer
Explosion-proof certification (ATEX/IECEx/domestic explosion-proof) targets hazardous areas (chemical plants, gas stations, coal mines): either energy limiting (intrinsic safety Ex ib) or flameproof design prevents electrical sparks from igniting explosive gases. Ordinary remote controls pose an ignition risk in explosion-proof areas. LIDER and XINGJIA offer explosion-proof certified models at about twice the price of standard ones. Explosion-proof models are mandatory in hazardous areas — this is a safety red line.
| Certification | ATEX/IECEx |
| Design | Intrinsic safety / flameproof |
| Red line | Explosion-proof model mandatory in hazardous areas |
Note:Using a non-explosion-proof remote control in a hazardous area is a serious violation.