Incoming and Distribution Devices (IDDs)
Incoming and Distribution Devices (IDDs) are reliable and efficient equipment for receiving, metering, and distributing electrical power in AC networks. They are designed for operation in 380/220 V, 50 Hz networks with a solidly grounded neutral. The primary purpose of IDDs is to distribute electrical power and protect lines against overloads, short circuits, and current leakage.
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Incoming and Distribution Devices (IDDs) are reliable and efficient equipment for receiving, metering, and distributing electrical power in AC networks. They are designed for operation in 380/220 V, 50 Hz networks with a solidly grounded neutral. The primary purpose of IDDs is to protect lines against overloads, short circuits, and current leakage.
Incoming and Distribution Devices (IDDs) are available in various designs:
- Floor-standing cabinets: suitable for use in apartment buildings and public buildings.
- Floor-standing, wall-mounted, or recessed cabinets: ideal for cottages and offices.
These devices are designed for installation in electrical switch rooms of residential buildings, public buildings, individual heat substations (IHSs), pumping stations, parking facilities, and other facilities where similar power supply schemes are used.
The design features of the Incoming and Distribution Devices (IDDs) include:
- Bottom/top cable entry.
- Connection of power cables with a cross-sectional area of up to 240 mm².
- Possibility of installing various types of meters.
- Possibility of sealing.
The front panels of IDDs intended to supply fire suppression and smoke extraction systems are red.
Manufacture of non-standard or mirrored IDDs is carried out according to an individual design.
The technical specifications of the IDDs are provided in the table, while their external appearance and dimensions are shown in the respective diagrams.