◆ Explosion protection to IEC,NEC ◆ Can be used in Zone 1,2,21,22 Class I Division 1, Division 2 Groups A, B, C, D ◆ Explosion-proof types (Ex d IIB) ◆ Enclosure: Copper-free Aluminium Alloy (carbon steel or stainless steel is optional),powder coated surface. Three explosion-proof types (Ex e, Ex d IIB and Ex d IIC). Size and direction of cable entries can be customized on request. ◆ Constructed with a high-strength Stainless steel, this explosion-proof terminal boxes ensures safety by containing internal explosions and isolating the external hazardous atmosphere. 2) Cable gland is optional, DQM-II (Ex d) or. The new BXJ92 Series Explosion proof High Voltage Junction Box is available in two types with rated currents of 400A and 1250A at rated voltages of Max 24kV AC and 35kV AC respectively.