Marinco 153AY 30A to 50A Shore Power Y Adapter

The Marinco 153AY Y Adapter feeds two separate 30A 125V boat connections from one 50A 125/250V dockside receptacle, with a five-year warranty.

This suits a boat with two 30 amp inlets arriving at a dock with 50 amp service, which is the more capable direction of adaptation. Because the dock supply is larger than either circuit needs, both onboard circuits can run at their full rating rather than sharing one supply.

A single locking male connector takes the pedestal receptacle or cordset, and two locking female connectors feed the boat inlets separately. The integrated Y keeps that in one assembly rather than stacking several loose adapters, which is both tidier and fewer connections to fail.

Both female connectors carry the sealing collar system, with protective covers and sealing hardware for wet-location use. The adapter changes the connection arrangement without removing the current limits of the individual onboard circuits, so both vessel wiring and marina receptacle should be confirmed first. Explore more shore power adapters.

• Two 30A boat circuits from one 50A dock receptacle
• Both circuits run at full rating rather than sharing
• One assembly instead of stacked loose adapters
• Five-year warranty, rated for wet locations