Supplier to Saudi Aramco
-China Ex(GB)
-Zone 1 and Zone 2
Primary protection: 8057-120, 80 are used for the main incoming box protection;Secondary protection: 8057-85, 40 are used for the secondary protection of the load and cooperated with the incoming line surge protector according tothe level;
Third slage protecion: 8057-20, 10 are used for the protection of the equipment side and cooperated with the preceding stage protection.
| Ex marking | Gas | Ex d e IIC G b | |||||
| Conformity to standards | GB3836.1,GB3836.2,GB3836.3 | ||||||
| Enclosure material | GRP(Polyester resin,glass fibre reinforced) | ||||||
| Enclosure color | Black | ||||||
| Pole | 1P,2P,3P,4P,1P+N,3P+N | 1P,2P,3P,4P | |||||
| Maximum discharge current | 10KA | 20KA | 40KA | 65KA | 80KA | 120KA | |
| Nominal discharge current | 5KA | 10KA | 20KA | 35KA | 40KA | 60KA | |
| Terminal section | 2X10mm²,2X16mm² | ||||||
| Ambient temperature | -20℃~+70℃ | ||||||
| Size (mm) | Pole |
| Size 1 | 1P |
| Size 2 | 2P，1P+N |
| Size 3 | 3P |
| Size 4 | 4P, 3P+N |
