Description
Bluewater 120A Surface Mount Circuit Breaker | Boat Supply Store
Safeguard critical 12V-48V DC auxiliary systems from overcurrents with this robust 120 Amp surface mount circuit breaker. Engineered for demanding marine environments, it boasts a high interrupting capacity of up to 3,000A at 14V, 30V, and 48V DC, ensuring reliable protection for high-draw accessories. Its rugged thermoplastic housing and nickel-plated copper components provide superior resistance to corrosion, vibration, and the harsh conditions encountered offshore.
Key Features
- 120 Amp continuous rating for high-power circuits
- Surface mount design for convenient installation
- Switchable/Manual reset for operational control
- 12V-48V DC compatibility across multiple system voltages
- Rugged thermoplastic housing for durability
- Corrosion, vibration, and harsh environment resistant build
- 3,000A interrupting capacity for superior fault protection
- Accepts standard 1/4" lugs for secure connections
Specifications
| Product Specifications | |
|---|---|
| Amperage Rating | 120 Amp |
| Mounting Style | Surface Mount |
| Reset Type | Switchable/Manual |
| Voltage Compatibility | 12V, 24V, 32V, 48V DC |
| Housing Material | Rugged Thermoplastic |
| Component Material | Nickel-plated Copper |
| Corrosion Resistance | Yes |
| Vibration Resistance | Yes |
| Interrupting Capacity | Up to 3,000A at 14V, 30V, and 48V DC |
| Lug Size | 1/4" |
Who This Is For
Ideal for boat owners, RV enthusiasts, and truck operators requiring dependable overload protection for high-amperage auxiliary circuits. It is suited for anyone needing a durable, resettable solution in challenging DC power systems.
How It Compares
| Feature | Bluewater 120A Surface Mount Circuit Breaker | Blue Sea Systems 7072 M |
|---|---|---|
| Amperage | 120A | 120A, 120A |
| Voltage Compatibility | 12V, 24V, 32V, 48V DC | 12V DC, Up to 48V DC |
| Reset Type | Switchable/Manual | Push-button (magnetic), Replaceable fuse |
| Interrupting Capacity | Up to 3,000A at 14V, 30V, and 48V DC | Not specified, typically lower than 3000A for this type, Varies by fuse, typically lower than 3000A |
| Mounting Style | Surface Mount (also panel mount compatible) | Panel Mount, Surface Mount |
Common Concerns Answered
Is a manual reset inconvenient?
While manual resets require a physical action to restore power, they offer direct control and a clear indication that a fault has occurred. This is often preferred for critical systems where automatic resets could mask underlying issues. Basic electrical knowledge is required for installation and safe operation.
Is installation difficult?
Installation requires basic electrical knowledge, including wire stripping, crimping appropriate lugs, and securely mounting the breaker. Ensuring proper torque on all connections is crucial for reliable performance. The surface mount design offers flexibility for various installations.
Why choose this over a simpler fuse?
While fuses offer a lower initial cost, this resettable circuit breaker provides enhanced safety and convenience by allowing immediate restoration of power after a fault, unlike a fuse that must be replaced. Its superior interrupting capacity is critical for protecting high-amperage DC systems in harsh marine conditions.
Frequently Asked Questions
What voltage systems is the Bluewater 120 Amp Surface Mount Circuit Breaker compatible with?
This circuit breaker is compatible with 12V, 24V, 32V, and 48V DC systems.
What is the interrupting capacity of this circuit breaker?
The interrupting capacity is up to 3,000A at 14V, 30V, and 48V DC.
What type of reset does this circuit breaker have?
This circuit breaker features a switchable/manual reset.
Can this circuit breaker be used in marine environments?
Yes, its rugged thermoplastic housing and nickel-plated copper components are designed to be corrosion, vibration, and harsh environment resistant, making it suitable for marine applications.
What size lugs does this circuit breaker accept?
This circuit breaker accepts standard 1/4" lugs for electrical connections.
