Gas Group | IIA, IIB, Zone 1 and Zone 2 | IIA, IIB, Zone 1 and Zone 2 | IIA, IIB, Zone 1 and Zone 2 | IIA, IIB, IIC, Zone 1 and Zone 2 | IIA & IIB, Zone 1 & Zone 2 |
Cable Entry | M20, 3/4" NPT, or 1/2" NPT | M20, 3/4" NPT, or 1/2" NPT | M20, 3/4" NPT, or 1/2" NPT | Not specified | Not specified |
Terminal | Suitable for up to 4 sq. mm. wire | Suitable for up to 4 sq. mm. wire | Suitable for up to 4 sq. mm. wire | Max. 2 Nos. - M20 | Suitable for 4 sq.mm wire |