HT & LT Panels

High Tension Panel (HT Panel)

Switchgear panels on the high-voltage side of a substation — incoming, metering, protection and outgoing to transformers — built around the specified breaker and relay scheme.

HT VCB Panel

High tension panel with a vacuum circuit breaker for switching and protecting HT feeders and transformers.

HT RMU Panel

Ring Main Unit panels that allow a ring distribution network to be sectioned and fed from either side.

HT Metering Panel

Houses HT CTs, PTs and metering at the utility interface as per the supply authority's requirements.

HT Feeder Panel

Outgoing HT panels that feed transformers or downstream substations, with protection for each feeder.

Low Tension Panel (LT Panel)

The main low-voltage switchboard after the transformer, with incomer, metering and outgoing feeders built to the project single-line diagram.

Also: Main LT Panel, Main Electrical Panel

LT Distribution Panel

Low tension panel distributing supply to multiple downstream boards and loads with protection on each feeder.

LT Feeder Panel

Panel dedicated to outgoing LT feeders, often added as an extension to an existing LT board.

LT Incomer Panel

The incoming section of an LT system — main breaker, metering and protection between the transformer and the busbar.

LT Outgoing Panel

Outgoing sections with breakers or switch-fuse units for each load or sub-board.