Shenxay portlashdan himoyalangan
Chang portlashdan himoyalangan elektr ko'targichlar uchta portlashdan himoyalangan sinflarga bo'linadi: IIA, IIB, va IIC. Ular yonuvchan gazlar yoki bug'lar havo bilan aralashadigan muhitlar uchun javob beradi, T1 dan T4 gacha bo'lgan harorat guruhlariga bo'linadi.
| Vaziyat toifasi | Gaz tasnifi | Reprezentativ gazlar | Minimal yonish uchqun energiyasi |
|---|---|---|---|
| Kon ostida | I | Metan | 0.280mJ |
| Kondan tashqaridagi zavodlar | IIA | Propan | 0.180mJ |
| IIB | Etilen | 0.060mJ | |
| IIC | Vodorod | 0.019mJ |
Ushbu elektr ko'targichlar yana B va C sinflariga bo'linadi, typically utilized in Zones 1 va 2. The applicable harorat range for these hoists spans from T1 to T6, with T6 being the safest in terms of explosion-proof safety.