ID
1002028
$ 113.11
1-2 weeks delivery time
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The Blue Sea 4321 is a water-resistant 4-position circuit breaker switch panel for 12V DC systems with an integrated 12V dash socket and dual USB charger. It uses illuminated 15A circuit breakers providing switching, ON indication, and overcurrent protection, with a cumulative panel rating of 45A. The panel is IP45 rated and designed for exposed mounting and retrofit installations.
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Blue Sea 4321 – Water-Resistant Circuit Breaker Switch Panel, Gray, 4 Positions with 12V Socket and Dual USB Charger
The Blue Sea 4321 is a compact, water-resistant circuit breaker switch panel designed for exposed mounting applications. It combines circuit switching, visual ON indication, and overcurrent protection with integrated power outlets for onboard accessories.
The panel features illuminated 15A circuit breakers and includes a 12V DC dash socket with a watertight cap, as well as a dual USB charger. A UV-stabilized, flame-retardant polycarbonate/ABS panel surface resists corrosion, while silicone breaker boots and a gasket help protect against water ingress. The low-profile design supports installation in tight spaces, and industry-standard sizing allows easy retrofit into existing cutouts.
Key Features
- Water-resistant circuit breaker switch panel with 4 positions
- Integrated 12V DC socket and dual USB charger
- Illuminated 15A circuit breakers with ON indication
- Integrated switching and overcurrent protection
- Designed for exposed mounting applications
- Low-profile design for tight installation spaces
- Industry-standard sizing for retrofit installations
Electrical Specifications
Parameter Value Nominal Voltage 12V DC Circuit Breaker Rating 15A (per breaker) Maximum Panel Amperage 45A
Connections & Hardware
Parameter Value Terminal Type 1/4" male quick connect Ring Terminal Size M5 (#10) Mounting Hardware Stainless steel #6 × 5/8" screws
Construction
Parameter Value Panel Material Polycarbonate / ABS Color Gray
Included Components
- 12V DC Dash Socket with Watertight Cap (PN 1011)
- 12/24V Dual USB 2.1A Charger (PN 1016)
- Set of 15 square-format circuit labels
Regulatory Compliance
- IP45
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