Lahmeyer Unit Substation is a set of electrical distribution equipment for electrical underground system which is suitable for Smart City. It comprises of 4 important equipments: (1) Medium Voltage Switchgear, (2) Transformer, (3) Low Voltage Switchboard and (4) Metal Enclosure.

Lahmeyer Unit Substation is highly secure. It passed the Internal Arc Fault Test: IAC - AB under the IEC 62271 - 202 standard of KEMA institution confirming that it could be installed for use in public areas such as pedestrian areas, parks or areas that requires aesthetic and well-organized electricity supply system.