These modules offer 24 hour protection to essential circuits so that they are not switched off by the main battery switch allowing protected power to supply bilge pumps, security systems and electronic memory circuits. They incorporate thermal type circuit breakers with push to reset function to ensure that essential circuits cannot be switched off inadvertently. Designed to match all other Contour power distribution products with modular sizing and lock mouldings to facilitate easy grouping. Label sheet 113696 or 113697 ordered separately.