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Eaton Corp has introduced a range of Type B, 200A final distribution boards with integral smart metering for power and lighting.

This enables specifiers and installers to meet the energy metering requirements of the current Building Regulations Part L2 without having to install separate distribution boards and feeders for each type of load.

The sub-metering requirements of Part L2, apply to all new and refurbished non-domestic buildings greater than 500m2 and call for energy sub-metering so that at least 90 per cent of the estimated annual energy consumption can be assigned to specific end-use categories such as lighting, heating, pumps and fans.

Traditionally, final distribution boards supply both lighting and small power loads.

Eaton’s smart, split-metered distribution boards are suitable for three-phase or single-phase applications as standard and provide for separate measurement of lighting and small power grouped loads.

The metering and 200A switch disconnector incomer are completely pre-installed at the factory, allowing the installer to focus on outgoing circuit requirements.

Meters are multi-function, MID-compliant instruments incorporating either pulsed output or RS485 connectivity where required.

This solution features the smart ‘summing’ meter, which calculates and displays net values of electrical parameters for each section of the board plus total load, without the need for further external calculations.

The design utilises orthodox high-integrity shrouded busbars with embedded transducers.

A single 15kA fault-rated main busbar offers greater assurance of integrity compared with partially soft-cabled solutions.

The embedded transducers deliver a reduction in board size, compared with standard current transformer-based solutions.

The boards incorporate additional high-integrity earths as standard; they have four earth bars in total.

An accessory kit is supplied with each board facilitating a variety of earthing options and a single phasing option.

Removable side gland plates offer a choice of cabling options.

Four different board sizes are available: 6 + 4 TPN ways; 8 + 6 TPN ways; 10 + 8 TPN ways; and 14 + 10 TPN ways.

In each case, there is a meter option offering pulsed kWh information or RS485 communication for connection to an energy surveillance system.

Both meter types offer kWh measurement and the provision to read other parameters such as line voltage, current, power factor and maximum demand on the display or via the RS485 option.

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