Skip to product information
1 of 1
1 product view Open images for a closer look Compare photos with product details

Blue Sea Systems

Blue Sea Systems 4321 4-Pos Circuit Breaker Panel w/ USB & 12V Socket

Blue Sea Systems 4321 4-Pos Circuit Breaker Panel w/ USB & 12V Socket

SKUCT-107319

Regular price $79.30
Regular price Sale price $79.30
Sale Sold out
Shipping calculated at checkout.
Shipping rewards at $100 U.S. orders of $100 or more get free standard shipping, plus $10 off Expedited and Overnight.

Low stock

Quantity
Use the Tug & Tow SKUInclude this SKU when you contact us about fit, availability, or reorders.
Delivery shown at checkoutShipping options, final costs, and delivery estimates appear before payment.
Check fit before orderingReview dimensions, part numbers, model details, and compatibility notes.
Confirm the details before checkoutFit can depend on your boat, RV, trailer, vehicle, or equipment. Contact us before ordering if compatibility is critical.Ask a product question

Product details

Review the details before ordering.

Take control of your electrical systems with the Blue Sea Systems 4321 Water-Resistant Circuit Breaker Switch Panel. Engineered for exposed mounting applications, this panel offers efficient switching, clear indication, and reliable overcurrent protection for your 12V DC systems. With integrated accessory power ports, it's the perfect solution for marine and automotive applications needing organized power management. Upgrade your electrical setup today.

In the Box:

  • Set of 15 square format circuit labels

Key Benefits:

  • 4-Position Configuration: Organize and manage up to four separate DC circuits with ease.
  • Illuminated 15A Circuit Breakers: Provide clear "ON" indication and essential overcurrent protection for each circuit, enhancing safety and diagnostics.
  • Integrated 12V Socket and Dual USB Ports: Conveniently power and charge accessories, phones, and other electronic devices directly from the panel.
  • 12 VDC Nominal Voltage: Designed for standard 12-volt DC electrical systems.
  • 45A Maximum Panel Amperage: Supports a total system amperage of up to 45A, suitable for moderate power demands.
  • IP66 Water-Resistant Rating: Built to withstand harsh environments, protecting against dust ingress and powerful water jets.
  • Durable Construction: Features a UV-stabilized, flame-retardant, and corrosion-resistant Polycarbonate/ABS panel for exceptional longevity in demanding conditions.
  • Low-Profile, Exposed Mounting Design: Installs easily in tight spaces and is well-suited for visible installations without sacrificing functionality.
  • Quick-Connect Terminals: Utilizes fast-on circuit breaker connectors and #10 ring terminals for rapid and secure wiring connections.
  • Included Mounting Hardware: Comes with Stainless Steel #6 x 5/8" mounting screws for a secure and reliable installation.
  • Compact Dimensions: Measures 6.625" H x 4.625" W x 1.75" D for versatile placement in various applications.

Shipping & returns

Shipping methods, delivery estimates, and final costs appear at checkout before payment. Some bulky, supplier-shipped, or special-handling items may ship separately. See Shipping & Returns for return windows and eligibility.

Fit & compatibility

Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.

Need help choosing?

Send us the product link or SKU, plus details about your boat, RV, trailer, vehicle, or project. We will help you narrow down the right option when product fit is not obvious.

View full details