Does the Blue Sea 9077 AC Selector Switch prevent backfeeding? Blue Sea 9077 AC Selector Switch, 240V 63A OFF +3

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Does the Blue Sea 9077 AC Selector Switch prevent backfeeding? Blue Sea 9077 AC Selector Switch, 240V 63A OFF +3

Status: Open Apr 29, 2026 - 11:19 AM

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Apr 29, 2026 - 11:20 AM

Yes. The switch utilizes a "break-before-make" contact design. This ensures that the current source is completely disconnected before the new source is engaged, preventing dangerous backfeeding or the accidental paralleling of two different power sources (like shore power and a generator).