TX-H series of surface box with lock 1. TX-H series of surface box is kind of good -looking outline,small volume,2.easy to install economically modular distribution box.3.it mainly use for building electric distribution system's installation,4.matched and house rebuild fitment etc application.the max rated current is 63A.5.IP Rating: 306.Spec:1POLE,2POLE,4POLE,6POLE,8POLE,12POLE,18POLE