Blue Sea 7615 ATD Automatic Timer Disconnect

The Blue Sea 7615 ATD Automatic Timer Disconnect is a professional-grade battery management system designed to prevent parasitic drain and extend battery life in vehicles left idle for extended periods. This device is ideal for mechanics managing a shop fleet, automotive enthusiasts storing classic vehicles, or professionals with commercial vehicles.

The timer disconnect operates using a solid-state relay mechanism that monitors ignition status and activates a shutdown cycle once the engine is off. It features adjustable delay timing, typically ranging from 10 to 30 minutes, allowing users to configure the exact duration before power isolation occurs. The device incorporates heavy-duty contacts rated for high continuous amperage loads, ensuring reliability and performance.

This automatic timer disconnect is perfect for mechanics specifying electrical upgrades on long-term storage vehicles or custom builds, as well as for RVs and fleet equipment. Its compact design and sealed housing resist corrosion from moisture and vibration, making it suitable for under-hood or interior mounting.