Blue Sea Systems 8521 Waterproof 5-Position Circuit Breaker Panel with Dual USB Charger

The Blue Sea Systems 8521 is a waterproof 5-position Contura switch panel with integrated dual USB chargers, designed specifically for open-cockpit and flybridge marine applications. This versatile panel provides convenient control and charging capabilities in exposed marine environments where weather resistance is essential.

Key Features:

• Five Contura-style rocker switches with illuminated ON indicator LEDs for clear status visibility
• Integrated 12/24V DC dual USB charger delivering 4.8A total output with intelligent device recognition for optimized charging
• Weather-resistant design with watertight mounting gasket for reliable performance in harsh marine conditions
• Compatible with both 12V and 24V DC electrical systems
• Each switch rated for 20A at 12V DC or 15A at 24V DC
• Low operating current of just 18mA per switch

Technical Specifications:

• Nominal Voltage: 12/24V DC
• Switch Rating: 20A @ 12V DC, 15A @ 24V DC
• USB Output: 4.8A total (dual port)
• Operating Current: 18mA per switch
• Dimensions: 7.5" H x 4.5" W x 3.25" D (190.5 x 133.35 x 76.2mm)

Package Includes:

• 8521 switch panel
• Switch labels
• Mounting hardware
• Watertight mounting gasket

This panel is ideal for controlling navigation lights, pumps, electronics, and other onboard systems while providing modern USB charging capability for smartphones, tablets, and other mobile devices.