These products are highly integrated, compact in size, structurally compact, safe and reliable in operation, easy to maintain, and portable. In distribution systems, they can be used in ring network distribution systems as well as in dual power supply or radial terminal. XBR Electric supplies high-performance components for power transmission, substation and distribution systems — from vacuum interrupters to switchgear assemblies. The power supply system with rated voltage of 10 kV, 6 kV, rated. What is a high voltage box? The High Voltage Power Box combines the functionality of an Onboard Charger (OBC), a DC/DC converter and a PDU (Power Distribution Unit). The OBC is the interface between the car and the public grid. It converts the energy from the network grid AC (Alternative Current). How fast can power distribution cabinets & boxes be delivered for wholesale orders? Discover the perfect addition to your Power Distribution Cabinet & Box with our Vacuum Distribution Box. High voltage distribution box is the control part of EV power supply, which has the functions of power distribution, current measurement, short circuit protection, charge and discharge control, pre-charging, manual emergency stop and insulation testing port. Features: 1) quick dial connector and. Features excellent linearity with accuracy classes of 0. 5, and 3P, ensuring precise metering/billing and sensitive protection relay response. Vacuum-cast in high-grade epoxy resin or mineral oil, providing extremely low partial discharge levels and high lightning impulse withstand.