BXM(D)51/BXQ51 Series Explosion-proof Lighting (Power) Distribution Box Note: When ordering, the number of circuits, the corresponding current and pole number of circuit breakers must be specified. If equipped with leakage protection function, please indicate its current and poles; if equipped with a main switch, indicate the current and poles of the main switch, and specify the direction of incoming and outgoing lines, the size and quantity of incoming and outgoing lines. Example: If you need to order a BXM(D)51 explosion-proof lighting (power) distribution box, with 4 branch circuits, branch current of 20A, equipped with a main switch, main switch current of 100A, bottom entry and bottom exit, intake specifications for one G1 1/2" and four G3/4", then the order model is "BXM(D)51-4/20K 100 1(G1 1/2")*4(G3/4")". ◆ Scope of Application ◎ Designed for Explosive atmosphere Zone 1 and Zone 2 ◎ Designed for Groups IIA, IIB, IIC explosive gas environments ◎ Designed for Combustible dust Zone 20, Zone 21, Zone 22 ◎ Designed for Temperature classes T1-T6 ◎ Designed for sites with explosive atmosphere such as petroleum exploitation, refinery, chemistry, medicine, textile, printing, military, etc. ◎ Used for power distribution in lighting or power circuits. ◆ Technical Parameters ◎ Complies with standards: GB3836.1, GB3836.2, GB3836.3, GB12476.1, IEC60079-0, IEC60079-1, IEC60079-7, IEC61241-1, EN60079-0, EN60079-1, EN60079-7, EN61241-1 ◎ Explosion-proof mark: Exde IIB T4 Gb, Exde IIC T4 Gb, DIP A21 TA, T4 ◎ Rated voltage: AC 220/380V ◎ Main circuit current rating: ≤ 400A ◎ Number of branches: 4, 6, 8, 10, 12