CT4 and CT6 indicate operational surface temperatures, not the withstand temperatures, for explosion-proof products. Products classified under the T6 category provide enhanced safety due to their lower operational surface temperatures compared to the T4 category.
Kub pawg ntawm cov khoom siv hluav taws xob | Qhov siab tshaj plaws qhov kub thiab txias ntawm cov khoom siv hluav taws xob (℃) | Gas / vapor ignition kub (℃) | Qhov ntsuas kub ntawm cov cuab yeej siv tau |
---|---|---|---|
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; ib | T6 |
The CT4 explosion-proof motor carries an Exd IIC T4 rating and is generally used in environments where the ambient temperature is approximately 135℃.