... type:open mounted 4.standard:IEC60529 1 Application rangeSX1 terminal distribution box is widely used in high-rise buildings, hotels, hospitals, restaurant ... Divided according to users no.a. single line: 2, 4, 6, 8, 10, 12, 15, 18b. multi-line: 24, 36, 453 ... heat capacity: 650°C/30s (just for real wall installation) Distribution Box