... DescriptionTS Surface series Modular distribution boxes/distribution boards are mainly used in the circuit of AC 50Hz, rated voltage 220V/380V, and ... plastic unit of the CHB-TS Surface series Modular distribution boxes/distribution boards adopt ABS material with the characteristics of ... to standard BS EN60439-3, JB/T7121-93. This distribution box has 4way,6way,8way,10way,12way,15way,18way,20way,24way ...