Marine and Marina Electrical Components: Sourcing Guide

Distinguish onboard and shore-side equipment

Shipboard distribution, marina buildings and shore-power installations have different operating conditions and approval requirements. Begin the enquiry by identifying where the component will be installed. A marina supplier buying a shore-side spare should not assume that a similar shipboard component has the same requirements, or the reverse.

Request exact approval evidence

Provide any required classification-society, project or national approval and ask for documentation covering the exact device and configuration. A manufacturer's marine product range does not mean every catalog reference is marine-approved. Confirm voltage, frequency, environmental conditions and enclosure requirements with the project technical team.

Residual current protection needs context

Shore-power enquiries should include the specified protection device, system arrangement and required documentation. Residual-current terminology differs across markets. Do not treat an IEC RCCB reference as automatic evidence of compliance with a US GFCI requirement. The responsible designer must confirm the protection arrangement.

Give the supplier a usable replacement record

Send complete labels, photographs, dimensions and accessory references from the installed equipment. Record coil voltages for contactors and releases. Include any special terminals, mounting or environmental constraints. Salt exposure and moisture are reasons to verify the complete installation specification, not to select a product on a marketing label alone.

Coordinate delivery details

For a vessel or marina delivery, provide the receiving contact, port or facility address, required date and any delivery restrictions. Agree freight and customs responsibilities in the quotation. AurFort can source specified components; marine approval and delivery availability are confirmed for each request.

Explore catalog references

Examples for product research; suitability and availability must be confirmed for your project.

• Schneider Electric A9D34620 — Residual current breaker with overcurrent protection (RCBO), Acti9 iDPNa Vigi, 1P+N, 20A, C curve, 4500A, AC type, 30mA
• Schneider Electric A9DE3716 — Residual current breaker with overcurrent protection (RCBO), Acti9 iCV40N, 3P+N, 16A, C curve, 6000A, AC type, 30mA
• Schneider Electric A9C20736 — iCT 25A 2NC 230...240V 50Hz contactor

Manufacturer references

• Schneider Electric documentation: A9D34620
• Schneider Electric documentation: A9DE3716
• Schneider Electric documentation: A9C20736

These AI-assisted purchasing guides use manufacturer references and catalog data. They are not installation instructions or a substitute for project-specific engineering approval.