Description
Blue Sea 7548 80A C-Series Breaker | Boat Supply Store
Engineered for critical marine electrical systems, this single-pole, 80A circuit breaker safeguards against overcurrent events up to 240V AC or 48V DC. Its magnetic-hydraulic, trip-free mechanism ensures reliable protection for high-demand equipment like inverters and windlasses, preventing catastrophic failure. The ignition-protected design, rated UL 1500, makes it an indispensable component for gasoline-powered vessels operating in demanding offshore conditions.
Key Features
- Reliable Overcurrent Protection: Prevents damage from electrical surges.
- Dual AC/DC Capability: Versatile for 240V AC and 48V DC marine circuits.
- Ignition Protected: Safely installable on gasoline-powered boats per UL 1500.
- Trip-Free Mechanism: Breaker cannot be held closed during a fault.
- Flush Rocker (ON): Resists accidental activation for enhanced safety.
- Color Coded Indicator (OFF): Clear visual status for quick identification.
- Integrated Switching: Combines circuit protection and power control.
- High Interrupt Capacity: 3500A @ 240V AC and 5000A @ 32V DC for robust safety.
Specifications
| Product Specifications | |
|---|---|
| Poles | Single Pole |
| Amperage Rating | 80A AC/DC |
| Maximum Voltage Rating | 240V AC / 48V DC |
| Interrupt Capacity | 3000A @ 120V AC / 3500A @ 240V AC / 5000A @ 32V DC |
| Trip Mechanism | Magnetic-Hydraulic |
| Actuator Style | Flat Rocker |
| Ignition Protection | Yes |
| Safety Certification | UL 1500 |
Who This Is For
Marine enthusiasts and professional electricians requiring robust overcurrent protection for high-draw AC and DC loads on vessels. This breaker is ideal for installations on gasoline-powered boats due to its ignition protection.
How It Compares
| Feature | Blue Sea 7548 80A C-Series Breaker | Blue Sea Systems 7421 M |
|---|---|---|
| Amperage | 80A AC / 80A DC | 80A, 80A |
| Maximum Voltage | 240V AC / 48V DC | 125V AC / 50V DC, 28V DC |
| Actuator Style | Flat Rocker | Toggle, Push-to-Reset Button |
| Ignition Protected | Yes | Yes, Yes |
| Circuit Breaker Type | Magnetic Hydraulic - trip free | Thermal Magnetic - trip free, Thermal Magnetic - trip free |
Common Concerns Answered
I've heard terminal studs can be tricky on some breakers. Is that an issue here?
The Blue Sea 7548 utilizes specific terminal stud sizes that may require appropriately sized ring terminals for a secure connection, ensuring optimal conductivity and safety. Adhering to the specified torque values during installation is crucial to prevent damage and guarantee reliable performance.
The price seems higher than some other 80A breakers. What justifies the cost?
The Blue Sea 7548's premium pricing reflects its advanced magnetic-hydraulic, trip-free mechanism, crucial ignition protection (UL 1500 certified), and its higher AC voltage rating (240V AC), making it suitable for demanding applications and gasoline-powered vessels where safety and reliability are paramount.
Will this breaker protect my inverter or bow thruster effectively?
Absolutely. The 80A rating, combined with its trip-free magnetic-hydraulic protection and high interrupt capacity, is specifically designed to safeguard high-draw DC and AC equipment such as inverters, bow thrusters, and windlasses from damaging overcurrent conditions.
Frequently Asked Questions
What is the maximum voltage rating for the Blue Sea 7548 C-Series Flat Rocker Circuit Breaker?
The Blue Sea 7548 C-Series Flat Rocker Circuit Breaker has a maximum voltage rating of 240V AC and 48V DC.
Can this circuit breaker be used for both AC and DC applications?
Yes, this circuit breaker is rated for both AC and DC applications, specifically 80A for both.
What is the interrupt capacity of this breaker?
The interrupt capacity is 3000A at 120V AC, 3500A at 240V AC, and 5000A at 32V DC.
Is this circuit breaker ignition protected?
Yes, the Blue Sea 7548 is ignition protected, meeting the UL 1500 standard, making it safe for installation on gasoline-powered boats.
What type of actuator does the Blue Sea 7548 have?
The Blue Sea 7548 features a flat rocker actuator which sits flush in the 'ON' position to prevent accidental switching.
