... 1.The BXK8030 Explosion-proof,controlling Box is suitable for starting and stopping of far distance,centre controlled multi-motors,besides contr ... 380V or DC voltage up to 220V. The controlling box is composed of secure shell,flame-proof elements (signal indicator, ... ammeter,button,switch)terminals,etc.2.The shell is made from fiberous glass,reinforced and unsaturated ployster resin.3.with ...