Dual Battery Separation Relay for automotive network switching Key benefits - 4-pole design isolates two battery circuits cleanly for reliable power management - High current capacity up to 500 A at 12 V to handle starter and auxiliary battery loads - Start ON/OFF function provides simple control of the battery separation as needed - Prevents cross-connection and deep discharge of the main starter battery while keeping essential systems powered - Robust suitability for automotive electrical systems and harsh operating conditions What it is designed to do - Separates dual batteries in a vehicle to protect critical electronics and ensure consistent engine starting power - Enables proper distribution of power between the starter battery and auxiliary or leisure batteries Key attributes - Function: dual battery separation with ON/OFF control - Compatibility: 12 V automotive electrical systems - Configuration: 4-pole relay for independent battery circuits - Performance: rated for up to 500 A at 12 V Use scenarios - Camper van or RV: isolates the leisure battery from the starting battery to prevent deep discharge of the starter battery while running appliances - Vehicles with high electrical loads: keeps heavy-duty accessories (inverters, fridges, lighting) from draining the starter battery - Fleet or emergency vehicles: ensures reliable power management across multiple batteries, reducing risk of unintended power loss This relay offers a straightforward, trustworthy solution for managing dual batteries in automotive applications, balancing performance with reliable operation.