Description
Blue Sea 7400 5A Circuit Breaker | Boat Supply Store
Protect sensitive 5-amp DC circuits from overcurrent conditions with the Blue Sea Systems 7400 single-pole circuit breaker, engineered for reliable marine environments. This compact breaker utilizes a magnetic hydraulic trip mechanism, ensuring a consistent 5-amp protection threshold across a wide operational temperature range and featuring a trip-free design to prevent manual overriding of overload protection. With a robust rating of 80 Volts DC and a switch cycle life of 10,000 cycles at rated load, it is ideal for safeguarding electronics on offshore fishing boats operating in the Gulf of Mexico or anywhere precision electrical control is paramount.
Key Features
- Compact Single Pole Small Case design for space-saving panel integration.
- Clear Indication Color actuator visually confirms OFF position for enhanced safety.
- Reliable Protection 5 Amp rating specifically safeguards low-current DC circuits.
- Secure Operation Trip Free design prevents manual bypassing of overload protection.
- Precise Tripping Magnetic Hydraulic trip mechanism ensures consistent overload response.
- Versatile Application Capable of handling up to 250 Volts AC or 80 Volts DC.
- Durable Performance Rated for 10,000 switch cycles at its maximum amperage and voltage.
- User-Friendly Interface 2" Flat Rocker actuator provides tactile and visual status.
Specifications
| Product Specifications | |
|---|---|
| Brand | Blue Sea Systems |
| SKU | CWR20649 |
| MPN | 7400 |
| Amperage Rating | 5 Amp |
| Pole Configuration | Single Pole |
| Actuator Type | 2" Flat Rocker |
| Trip Mechanism | Magnetic Hydraulic |
| Design | Trip Free |
| Maximum AC Voltage | 250 Volts AC |
| Maximum DC Voltage | 80 Volts DC |
| Rated Switch Cycles | 10,000 @ rated amperage and voltage |
| Indicator | Color actuator indicates OFF position |
| Case Size | Small Case |
Who This Is For
This 5-amp circuit breaker is essential for marine electricians and boat owners requiring precise protection for low-current onboard systems. It is an ideal component for DIYers performing electrical installations or upgrades where reliable circuit interruption is a critical safety requirement.
How It Compares
| Feature | Blue Sea 7400 5A Circuit Breaker | Competitor |
|---|---|---|
| Amperage Rating | 5 Amp | 10 Amp, 5 Amp |
| Maximum AC Voltage | 250 Volts AC | 250 Volts AC, 250 Volts AC |
| Maximum DC Voltage | 80 Volts DC | 80 Volts DC, 50 Volts DC |
| Circuit Breaker Type | Magnetic Hydraulic - Trip Free | Magnetic Hydraulic - Trip Free, Thermal Magnetic |
| Actuator Style | 2" Flat Rocker | — |
Common Concerns Answered
Why is this circuit breaker priced higher than some generic alternatives?
The Blue Sea 7400's pricing reflects its superior marine-grade construction, magnetic hydraulic trip mechanism for reliable operation, and UL Recognized Component safety certification, ensuring longevity and performance critical for onboard electrical systems.
I need protection for more than 5 amps. What are my options?
This specific model is optimized for 5-amp loads; for higher current requirements, Blue Sea Systems offers a range of breakers with different amperage ratings, such as the 7401 model for 10-amp circuits, ensuring you find the precise protection needed for your application.
Can I manually override this circuit breaker if it trips?
No, the Blue Sea 7400 features a 'Trip Free' design, which prevents the breaker from being manually held in the ON position during an overload or short circuit, ensuring consistent protection and safety of your electrical system.
Frequently Asked Questions
What is the maximum voltage this circuit breaker can handle?
This Blue Sea 7400 circuit breaker is rated for a maximum of 250 Volts AC or 80 Volts DC.
What does 'Trip Free' design mean for this circuit breaker?
A 'Trip Free' design means the circuit breaker cannot be manually held in the ON position when an overload or fault condition exists, ensuring it will always interrupt the circuit to prevent damage or fire.
What is the rated switch cycle life of this breaker?
The Blue Sea 7400 is rated for 10,000 switch cycles at its specified amperage and voltage, indicating robust durability for repeated operation.
Is this circuit breaker suitable for both AC and DC applications?
Yes, this circuit breaker is designed for use in both AC (up to 250V) and DC (up to 80V) marine electrical systems.
What is the purpose of the color actuator on this breaker?
The color actuator on the Blue Sea 7400 serves as a clear visual indicator, immediately showing when the circuit breaker is in the OFF position, which enhances safety and simplifies troubleshooting.
