Description
Blue Sea 5051 12-Pos Circuit Breaker Block | Boat Supply Store
Designed for efficient marine DC power distribution, this 12-position circuit breaker block consolidates critical electrical circuits. It supports individual circuits up to 32A and utilizes tin-plated copper busses for superior conductivity, operating reliably within a -10°C to 60°C range. Ideal for managing the complex electrical needs of offshore fishing vessels or cruising yachts, it ensures safe and organized circuit protection.
Key Features
- Quick connect clips for rapid circuit breaker installation
- Durable tin-plated copper busses and screw terminals for corrosion resistance
- Clear insulating cover with label recesses for identification
- Compliant cover satisfies ABYC/USCG insulation requirements
- User-friendly clip-on cover for easy access
- Versatile breakouts allow wire entry from two directions
- Accommodates ring terminals for secure connections
- Optional waterproof boots for enhanced protection
Specifications
| Product Specifications | |
|---|---|
| Number of Positions | 12 |
| Circuit Breaker Type | ST CLB |
| Maximum Amperage per Circuit | 32A |
| Maximum Amperage per Jumped Group | 40A |
| Maximum Voltage | 32V DC |
| Terminal Type | #8-32 Screw Terminals with Captive Star Lock Washers |
| Mounting Screw Size | #8 |
| Mounting Centers | 10.13" |
| Operating Temperature | -10°C to 60°C |
| Cover Material | Clear Insulating Plastic |
Who This Is For
Marine enthusiasts, boat builders, and DIYers requiring a robust and organized 12-position circuit breaker block for managing vessel electrical systems. It is suitable for anyone needing reliable, compliant, and user-friendly DC power distribution solutions.
How It Compares
| Feature | Blue Sea 5051 12-Pos Circuit Breaker Block | Competitor |
|---|---|---|
| Number of Circuits | 12 | 12 |
| Circuit Protection Type | ST CLB Circuit Breaker | ST Blade Fuse |
| Max Amperage per Circuit | 32A | 30A |
| Max Amperage per Jumped Circuit Group | 40A | — |
| Max Voltage | 32V DC | 32V DC |
| Terminal Type | #8-32 Screws with Captive Star Lock Washer | Ring Terminals |
| Mounting Centers | 10.13" (257.3 mm) | 10.13" |
Common Concerns Answered
Is this product cost-effective for all marine applications?
While the initial investment may be higher than basic fuse blocks, the Blue Sea 5051's long-term reliability, enhanced safety features, and compliance with marine standards provide significant value and justify the cost for critical electrical systems.
Are the required circuit breakers readily available?
This block requires specific ST CLB circuit breakers, which are engineered for marine environments. While not as universally common as standard fuses, they are readily available through reputable marine electrical suppliers, ensuring proper compatibility and performance.
What is the typical customer sentiment towards this product?
Customer feedback is consistently positive, highlighting the exceptional build quality, straightforward installation process, and adherence to rigorous marine electrical standards, making it a trusted component for demanding applications.
Frequently Asked Questions
What is the maximum amperage per circuit for the Blue Sea 5051 ST CLB Circuit Breaker Block?
The Blue Sea 5051 ST CLB Circuit Breaker Block supports a maximum amperage of 32A per individual circuit.
What is the maximum voltage supported by this circuit breaker block?
This circuit breaker block is designed to operate with a maximum voltage of 32V DC.
What type of terminals does the Blue Sea 5051 use?
The Blue Sea 5051 utilizes #8-32 screw terminals, which come equipped with captive star lock washers for secure connections.
Can I install waterproof boots on this circuit breaker block?
Yes, optional push button waterproof boots can be installed on the Blue Sea 5051 for enhanced protection against environmental ingress.
What are the mounting dimensions for the Blue Sea 5051?
The Blue Sea 5051 features mounting centers spaced at 10.13" (257.3 mm) for installation.
