Heavy-Duty Marine Battery Isolator Switch
The Perko 8504DP is a heavy-duty battery isolator switch engineered for reliable marine electrical system management. This robust rotary switch enables you to isolate batteries, select between multiple battery banks, or combine them for emergency starting power. Built with corrosion-resistant materials to withstand harsh marine environments, it delivers dependable battery protection and control for boats and marine vessels.
Specifications
- Model: Perko 8504DP
- SKU: 8504DP
- Switch positions: Off / Battery 1 / Battery 2 / Both
- Current rating: Heavy-duty marine grade
- Weight: 500g
- Construction: Corrosion-resistant materials
- Mounting: Panel mount installation
Features
- Heavy-duty construction for demanding marine environments
- Four-position rotary switch (Off/1/2/Both)
- Isolates batteries to prevent parasitic discharge
- Combines batteries for emergency starting capability
- Corrosion-resistant housing and terminals
- Trusted Perko quality and marine durability
Applications
- Dual battery systems on powerboats and sailboats
- House and starter battery isolation
- Marine electrical system management and protection
- RIB and fishing boat battery switching
- Emergency battery combining for engine starting





