Blue Sea 4321 Circuit Breaker Switch Panel 4 Position – Gray w/12V Socket & Dual USB

Available: 32 - Same Day Shipping (M-F)
Manufacturer: Blue Sea Systems
Part Number: 4321
UPC: 632085043216
SKU: 75109
PRICE: $56.92 --- MSRP: $79.60 --- Discount 28%
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4321 Circuit Breaker Switch Panel 4 Position – Gray with 12V Socket & Dual USB 

Designed for exposed mounting applications.


  • Illuminated 15A circuit breakers provide switching, “ON” indication and overcurrent protection
  • Industry-standard sizes and mounting allow these panels to be easily retroftted in an existing application
  • Polycarbonate/ABS panel surface is UV-stabilized, flame retardant, and will not corrode
  • Silicon breaker boots and gasket protects against water ingress
  • Low profle makes it easy to install in tight spaces
  • Fast-on circuit breaker connectors make it quick to wire
  • Two-wire connection for powering all panels is simple and requires #10 ring terminals. Terminals screw to bus bars for secure connections
  • Set of 15 square format circuit labels are included, and are easy to replace. Additional standard or custom labels are available through Blue Sea Systems


  • Color: Gray
  • Positions: 4
  • Nominal Voltage: 12 VDC
  • Maximum Amperage: 45A
  • Terminal Type: 1/4″ Male Quick Connect
  • Hardware: Stainless Steel #6 x 5/8″ mounting screws 
  • Ring Terminal Size: M5 (#10)

SKU: 75109 Categories: ,
Voltage 12v
Max Breaker Quantity 4
Waterproof Resistant


Blue Sea Systems

Blue Sea Systems
Blue Sea Systems Brand Image

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