I am building a new 12V DC switch panel for my boat and have a load of
switches rated at 10A@125V or 8A@240V. Although they have 12V
illumination there is not a DC rating in the datasheet. Does anyone have
any idea what sort of rating can I assume for low DC voltage or are they
totally unsuitable?

The switches are Cherry RRA22H3BBRHN rocker switches.

Thanks in advance,

Steve