Truong Nam Hai Co., Ltd. Our manufactures, consisting of a Main Distribution Board (MDB), Sub Main Distribution Boards (SMDBs) and Final Distribution Boards , by which the electrical energy is transmitted via branches to reach the exact end user.

A MDB is a panel enclosure that consult the fuses, circuit breakers and ground leakage protection units where the electrical energy, which is used to distribute electrical power to numerous individual circuits or consumer points, is taken in from the transformer or an upstream panel.

The MDB typically has a single or multiple incoming power sources and includes main circuit breakers and residual current or earth leakage protection devices.

The MDB is comprised of a free standing enclosure, a bus bar system, MCCB’s, metering the flow required. Panels are design, manufacture in a systematic manner such as incomer section and outgoing section