replacement relais for sidepower bowthruster on an 54

Martin Birkhoff

Hallo to the group,
the relais fitted to our bowthruster is not original for sure and a cause of constant problems. It is an Albright relais but there are no specifications given on the housing. From a sidepower dealer I got the information that the original relais is not available. 
Does anyone know if there is a suggested replacement relais?

Attached a pic of the relais as it is know. Easy to see that it is too big. On the right  of the pic to see that a part of the plywood had been cut away by the former owner to allow the bow thruster move up and down. 


Mago del Sur - 54#40

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