... .the number of loops:4 1 Application rangeSX1 terminal distribution box is widely used in high-rise buildings, hotels, hospitals ... 230V single-phase system, total current 63A and less than 63A of illumination and small-capacity power circuit, and ... to users no.a. single line: 2, 4, 6, 8, 10, 12, 15, 18b. multi-line: 24, 36, ... attractive appearance4.2 easy opening and closing of box door Distribution Box