Ho ea ka litekanyetso tsa naha bakeng sa tšireletso ea ho phatloha ha motlakase, ka bobeli BT4 le BT6 li oela tlas'a Sehlopha sa IIB.
Sehlopha sa mocheso oa lisebelisoa tsa motlakase | Mocheso o phahameng o lumelletsoeng oa lisebelisoa tsa motlakase (℃) | Mocheso oa mocheso oa khase/mouoane (℃) | Boemo ba mocheso oa sesebelisoa se sebetsang |
---|---|---|---|
T1 | 450 | = 450 | T1~T6 |
T2 | 300 | ~300 | T2~T6 |
T3 | 200 | 200 | T3~T6 |
T4 | 135 | = 135 | T4~T6 |
T5 | 100 | ~100 | T5~T6 |
T6 | 85 | ~85 | T6 |
Leha ho le joalo, the ‘T’ classification pertains to the temperature rating of explosion-proof electrical devices. Lisebelisoa tse thathamisitsoeng e le T6 li tlameha ho boloka mocheso o ka holimo o sa fete 85°C, T5 ha ea lokela ho feta 100°C, and T4 must not surpass 135°C.
The lower a device’s maximum surface mocheso, the less likely it is to ignite atmospheric gases, thereby enhancing safety. Ka lebaka leo, the explosion-proof rating of BT6 exceeds that of BT4.