Hello there!
I am looking for IP69 rated underwater switches which can sustain a depth of atleast 50ft for more than 1 day. I currently use IP68 switches with a watertight enclosure made by me. If anyone has any suggestions then I would really appreciate your help! If anyone has designs for kill switch enclosures that too would be great. Thank you for your time.
Our switch might be of interest 
These threads may be worth reading through:
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