Description
Blue Sea 7574 30A Double Pole Circuit Breaker | Boat Supply Store
Ensure robust overcurrent protection for dual-pole marine circuits with the Blue Sea 7574 A-Series breaker. Engineered with a magnetic hydraulic trip mechanism, it provides reliable fault interruption for systems up to 120V AC / 240V AC / 32V DC. Its 'trip free' design guarantees that the breaker will not remain closed during a fault condition, preventing potential damage to equipment and ensuring crew safety aboard offshore fishing vessels.
Key Features
- Double Pole protection for simultaneous circuit control
- 30A Rating for high-demand applications
- Raised Rocker Actuator for easy operation
- 'Trip Free' Design for ultimate safety during faults
- Magnetic Hydraulic Mechanism for precise tripping
- Clear ON/OFF Symbols for versatile panel mounting
- 120V AC / 240V AC / 32V DC Compatibility
- TUV Certified for marine-grade reliability
Specifications
| Product Specifications | |
|---|---|
| Amperage | 30A |
| Poles | Double Pole |
| Voltage Rating | 120V AC / 240V AC / 32V DC |
| Actuator Style | Raised Rocker |
| Circuit Breaker Type | Magnetic Hydraulic |
| Interrupt Capacity | 3000A @ 240V AC / 5000A @ 32V DC |
Who This Is For
This circuit breaker is designed for marine electricians and boat owners who require dependable overcurrent protection for dual-pole AC and DC systems. It is suitable for installation on vessels where electrical panel space requires clear, reliable circuit interruption.
How It Compares
| Feature | Blue Sea 7574 30A Double Pole Circuit Breaker | Blue Sea Systems 7423 M |
|---|---|---|
| Amperage | 30A AC / 30A DC | 30A AC/DC, 30A |
| Poles | 2 | 2, 2 |
| Maximum AC Voltage | 240V AC | 120V AC, null |
| Maximum DC Voltage | 32V DC | 32V DC, 28V DC |
| Actuator Style | Raised Rocker | Toggle, Push-button reset |
| Circuit Breaker Type | Magnetic Hydraulic | Magnetic Hydraulic, Thermal |
| Interrupt Capacity | 3000A @ 240V AC / 5000A @ 32V DC | 1000A @ 120V AC / 5000A @ 32V DC, null |
Common Concerns Answered
Some users have noted difficulty finding specific torque values for the terminals. Can you provide guidance?
While specific torque values are not universally published, it is critical to ensure a secure connection without overtightening. Consult Blue Sea Systems' general terminal installation guidelines or seek advice from a certified marine electrician to achieve optimal terminal torque for reliable performance.
I have a very compact electrical panel. Will this breaker fit?
The A-Series Raised Rocker breaker is designed for standard panel cutouts. If space is extremely limited, consider reviewing the detailed dimensions on the Blue Sea Systems product page or exploring more compact breaker series if panel space is a primary constraint.
What is the typical customer feedback regarding this product?
Customers generally express satisfaction with Blue Sea Systems' reputation for quality and the breaker's robust performance. Ease of installation and dependable operation are frequently cited positive attributes.
Frequently Asked Questions
What is the maximum voltage rating for the Blue Sea 7574 A-Series circuit breaker?
The Blue Sea 7574 A-Series circuit breaker is rated for a maximum of 120V AC, 240V AC, and 32V DC.
Can this circuit breaker be used for both AC and DC applications?
Yes, this double pole circuit breaker is suitable for use in both AC (120V AC / 240V AC) and DC (32V DC) marine electrical systems.
What is the interrupt capacity of the Blue Sea 7574 circuit breaker?
The interrupt capacity of the Blue Sea 7574 circuit breaker is 3000A at 240V AC and 5000A at 32V DC.
What does 'trip free' design mean for this circuit breaker?
A 'trip free' design means that the circuit breaker cannot be held in the ON position if an overcurrent fault condition exists; it will automatically trip to the OFF position to protect the circuit.
What is the operating temperature range for this circuit breaker?
The operating temperature range for the Blue Sea 7574 A-Series circuit breaker is not explicitly stated in the provided data, but it is designed for demanding marine environments. Consult the manufacturer's documentation for specific environmental operating parameters.
