BS EN ISO 13297:2021+A11:2023 ISO 13297:2020+A1:2022


not used) or 2 pole and ground plug and outlet 11 2 pole and ground plug and outlet 12 main shore power disconnect circuit


breaker with RCD (HS type 30 mA, see Clause 8) 13 shore ground terminated to transformer shield and craft's ground/earth


14 optional galvanic isolator


15 1: 1 isolation transformer with metal case and integral or separate output circuit breaker


23 main power circuit breaker with RCD 24 main power circuit breaker 25 branch circuit breakers (typical) 26 branch RCD (typical)


27 110/120 device or panel board 28 220/240 device or panel board 29 220/240


30 220/240 grounded outlet


31 inverter charger with transfer switch (DC wiring simplified for clarity)


Figure D.1— Typical AC system diagrams


© ISO 2022 – All rights reserved


31


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