Description
200 Amp Blue Sea 7476 Breaker | Boat Supply Store
This Blue Sea 7476 C-Series circuit breaker provides 200 Amp protection for high-demand DC systems, ensuring reliability in harsh marine environments. Its magnetic hydraulic mechanism and 'Trip Free' design prevent accidental operation and maintain circuit integrity up to 80V DC. Ideal for protecting powerful trolling motor circuits or inverter feeds on offshore sportfishing vessels navigating the Gulf of Mexico.
Key Features
- Robust 200 Amp DC circuit protection.
- Reliable 'Trip Free' design prevents nuisance tripping.
- Secure flat actuator prevents accidental switching.
- Durable Magnetic Hydraulic trip mechanism for consistent operation.
- Versatile Single and Double Pole configuration options.
- Visible color actuator clearly indicates OFF position.
- Long-lasting 10,000 rated switch cycles.
- High-voltage rated up to 80V DC.
Specifications
| Product Specifications | |
|---|---|
| Circuit Breaker Type | C-Series Flat Circuit Breaker |
| Amperage Rating | 200 Amp |
| Maximum Voltage | 80V DC |
| Trip Mechanism | Magnetic Hydraulic |
| Design | Trip Free |
| Actuator Style | Flat |
| Rated Switch Cycles | 10,000 |
| Configuration | Single and Double Pole |
Who This Is For
Marine electricians and boat owners requiring dependable DC electrical protection for heavy-load circuits up to 200 Amps. System designers specifying reliable components for vessels operating up to 80 Volts DC will find this breaker essential.
How It Compares
| Feature | 200 Amp Blue Sea 7476 Breaker | Blue Sea Systems 7475 C |
|---|---|---|
| Amperage Rating | 200 Amp | 150 Amp, 200 Amp |
| Maximum Voltage | 80V DC | 80V DC, 28V DC |
| Circuit Breaker Type | Magnetic Hydraulic - Trip Free | Magnetic Hydraulic - Trip Free, Thermal |
| Rated Switch Cycles | 10,000 | 10,000, null |
| Actuator Design | Flat actuator with color indicator | Flat actuator with color indicator, Rocker style actuator |
Common Concerns Answered
Why is the price higher than basic thermal breakers?
The Blue Sea 7476 utilizes a premium magnetic hydraulic trip mechanism, which offers superior accuracy and faster response times compared to basic thermal breakers. Its 'Trip Free' design and robust construction are engineered for critical, high-amperage DC circuits where failure is not an option, justifying the investment in enhanced safety and reliability.
Is a magnetic hydraulic trip mechanism necessary for my application?
For high-amperage DC circuits up to 200 Amps on vessels, a magnetic hydraulic trip mechanism provides a more precise and consistent protection against overcurrent conditions than a thermal breaker alone. Its 'Trip Free' capability ensures it will trip regardless of actuator position, critical for preventing catastrophic electrical failures in demanding marine environments.
Are specific amperage ratings difficult to find?
While higher amperage ratings like the 200 Amp Blue Sea 7476 might have more specialized demand, BoatSupplyStore.com maintains comprehensive stock of Blue Sea Systems' extensive range. Our strategic inventory management ensures availability of essential components for critical marine electrical systems.
Frequently Asked Questions
What is the maximum voltage rating for the Blue Sea 7476 C-Series Flat Circuit Breaker?
The Blue Sea 7476 C-Series Flat Circuit Breaker is rated for a maximum voltage of 80 Volts DC.
What does 'Trip Free' design mean for this circuit breaker?
A 'Trip Free' design means that the circuit breaker will trip open automatically when an overcurrent fault occurs, irrespective of whether the actuator is held in the ON position. This ensures critical DC circuits remain protected and prevents damage even if the actuator is manually held closed during a fault condition.
How does the color actuator indicate the OFF position?
The color actuator on the Blue Sea 7476 features a distinct color, typically red or black, which is visually apparent when the breaker is in the OFF position. This provides an immediate and unambiguous indication of the breaker's status, enhancing safety during system diagnostics and maintenance.
Is this circuit breaker suitable for AC or DC systems?
The Blue Sea 7476 C-Series Flat Circuit Breaker is specifically designed and rated for DC systems only, with a maximum voltage of 80V DC. It is not intended for use in AC electrical systems.
What is the rated switch cycle life of this breaker?
This circuit breaker is rated for 10,000 switch cycles at its rated amperage and voltage, indicating a robust lifespan for repeated operation in demanding marine applications.
