The Narva 61084BL is a 4-position battery master rotary switch and isolator designed for dual battery systems in caravans, boats, marine vessels, and 4WDs. Featuring heavy-duty brass terminals and robust plastic construction, it handles high continuous loads and is rated up to 48V DC — making it one of the most versatile battery isolators available for 12V and 24V systems.
4-Position Switch Modes
Battery 1 — powers from battery 1 only
Battery 2 — powers from battery 2 only
Battery 1 + 2 — combines both batteries
Off — isolates all power
Key Features
Heavy-duty brass terminals for reliable, corrosion-resistant connections
Robust plastic construction — ideal for marine and outdoor environments
4-position rotary design for flexible battery management
