1. Hazardous: division 1&2;
2. Explosive atmosphere: class ? A, ? B, ? C;
3. Serious erosive gas environment;
4. This product can not use alone it must be used together with other explosion-proof enclosure.
1. The enclosure was pressed by fibre glass unsaturated polyester resin in high intensity, erosion resistance and perfect thermal stability;
2. Built in thermal relay, with over load ,loss of phase protection functions;
3. There are main and auxiliary contacts, adjustable axis of current release on the enclosure.