At a glance
- Planned retrofit around the vessel schedule
- Engineering and design of the new switchboard
- Custom marine grade fabrication
- Onboard installation and connection
- Protection coordination check and functional tests
Steps of a main switchboard replacement
- Planning around the vessel schedule to limit downtime.
- Engineering and design of the new switchboard, based on existing loads and protections.
- Custom marine grade fabrication.
- Installation and connection on board.
- Protection coordination check and functional tests.
- Documentation: updated drawings and test report.
Results for the owner
- Modernized electrical distribution
- Compliance with marine electrical standards
- Higher system reliability
When to replace the main switchboard?
Warning signs: spare parts no longer available, unexplained trips, recurring hot spots in thermography, or successive changes that make drawings hard to follow. An electrical survey helps decide between a targeted repair and a full replacement.
Frequently asked questions
How long is the vessel out of service?
It depends on the switchboard and the vessel. We plan the work around the vessel schedule to limit downtime, often during a technical stop or dry dock.
Do you check protection coordination?
Yes. A protection coordination check and functional tests are part of every replacement.
Updated : 2026-10-27