DUAL CONTACTOR ELECTRICAL PANELBOARD ASSEMBLY, SYSTEMS AND METHODS
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United States of America Patent
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Issued Date -
Dec 28, 2023
app pub date -
Sep 5, 2023
filing date -
Sep 5, 2023
priority date (Note) -
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Abstract
A panelboard assembly includes a plurality of subpanel assemblies and three power distribution blocks (PDBs). Each of the subpanel assemblies includes a branch breaker assembly electrically connected to a three-phase power supply and configured to be electrically connected to a group of loads. The branch breaker assembly includes a plurality of branch circuit breakers, each configured to switch on or off an electrical connection to a respective one or more loads in the group of loads. Each of the three PDBs is associated with a phase of the three-phase power supply. The three PDBs are disposed downstream of the power supply and upstream of the breaker assembly of each of the plurality of subpanel assemblies. Each PDB is configured to receive electrical power through a single bus and distribute the received electrical power to the branch breaker assembly of each of the plurality of subpanel assemblies via separate buses.
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