Blue Sea Systems 4321 Water-Resistant 4-Position Circuit Breaker Panel with 12V Socket and Dual USB Charger

The Blue Sea Systems 4321 is a compact, water-resistant circuit breaker switch panel designed for marine, RV, and powersports applications where reliable power distribution and device charging are essential. This panel combines four independent circuit breaker switches with a 12V accessory socket and dual USB charging ports, providing comprehensive power management in a single, space-efficient unit.

Key Features:

• Four individual circuit breaker switches for independent control of electrical circuits
• Water-resistant construction with sealing and drainage features for harsh marine and outdoor environments
• Integrated 12V accessory socket for powering portable devices and accessories
• Dual USB charging ports for convenient charging of smartphones, tablets, and other USB devices
• Compact design ideal for mounting in limited spaces on boats, RVs, or off-road vehicles
• Circuit breakers provide overload protection and eliminate the need for inline fuses
• Ignition-protected design meets USCG and ABYC safety standards for marine installations

This panel is perfect for adding switched power control and modern charging capabilities to any 12V DC electrical system. The circuit breakers reset easily after tripping, while the water-resistant design ensures reliable operation in wet conditions. Ideal for controlling cabin lights, navigation equipment, bilge pumps, or accessory circuits while keeping mobile devices charged and ready.