Description
Blue Sea 7042 80A Circuit Breaker | Boat Supply Store
Protect and control your vessel's DC electrical circuits with the Blue Sea 7042 187-Series Circuit Breaker. This panel-mount unit integrates switching and robust circuit protection, featuring a thermal bi-metal blade and a 5000A interrupt capacity at 14VDC for reliable fault management. Its 'trip-free' design and ignition protection make it an indispensable component for gasoline-powered vessels and harsh offshore conditions, ensuring operational safety and component longevity.
Key Features
- Integrated Switching Consolidates function, reducing panel space.
- Trip-Free Design Guarantees protection by preventing manual override during faults.
- Waterproof Construction Seals against moisture ingress for longevity.
- Ignition Protected Certified safe for installation on gasoline-powered boats.
- Robust Terminals 5/16"-18 studs accept heavy-gauge lugs for high-torque connections.
- Clean Panel Mount Recessed mounting holes provide a streamlined aesthetic.
- Clear Status Indication Large lever orientation clearly shows trip status.
- High Interrupt Capacity 5000A at 14VDC ensures safe interruption of high fault currents.
Specifications
| Product Specifications | |
|---|---|
| Amperage | 80A |
| Maximum Voltage | 48V DC |
| Interrupt Capacity | 5000A at 14VDC |
| Terminal Stud Size | 5/16"-18 |
| Waterproof | Yes |
| Ignition Protected | Yes |
| Trip Free Design | Yes |
| Mounting Type | Panel Mount |
Who This Is For
Marine professionals and dedicated boat owners requiring a highly reliable, combined switching and circuit protection device for DC systems up to 48V. This breaker is essential for ensuring safety and compliance, particularly on vessels with gasoline engines or operating in demanding marine environments.
How It Compares
| Feature | Blue Sea 7042 80A Circuit Breaker | Blue Sea Systems 7043 187 |
|---|---|---|
| Amperage | 80A | 100A, 80A |
| Maximum Voltage | 48V DC | 48V DC, 28V DC |
| Ignition Protected | Yes | Yes, No |
| Waterproof | Yes | Yes, Null |
| Trip Free Design | Yes | Yes, Null |
| Terminal Stud Size | 5/16" - 18 | 5/16" - 18, Null |
Common Concerns Answered
Is the lever action stiff on the Blue Sea 7042?
While some users report an initially stiff lever action, this is often due to the robust sealing and high-quality internal components designed for marine integrity. The stiffness typically diminishes with use and is a testament to the unit's durable construction.
Can this breaker be used as a switch for high inrush currents?
The Blue Sea 7042 is designed primarily as a circuit protection device with integrated switching. It is not intended for continuous switching of circuits with high inrush currents, such as motor startups. Consult the manual for specific operational limitations to prevent premature failure.
Is the Blue Sea 7042 breaker worth the price compared to simpler breakers?
The integrated switching, 'trip-free' design, ignition protection, and waterproof rating provide significant value and safety advantages over basic breakers. This unit consolidates components, enhances safety on gasoline-powered vessels, and offers superior longevity in harsh marine environments, justifying the investment.
Frequently Asked Questions
What is the maximum voltage rating for the Blue Sea 7042 circuit breaker?
The Blue Sea 7042 circuit breaker has a maximum voltage rating of 48V DC.
What is the amperage rating of the Blue Sea 7042 circuit breaker?
The amperage rating of the Blue Sea 7042 circuit breaker is 80A.
What type of circuit breaker is the Blue Sea 7042?
The Blue Sea 7042 is a panel-mount, 187-Series circuit breaker with an integrated switch, featuring a thermal bi-metal trip mechanism.
What is the interrupt capacity of the Blue Sea 7042 circuit breaker?
The Blue Sea 7042 circuit breaker has an interrupt capacity of 5000A at 14VDC.
Is the Blue Sea 7042 circuit breaker ignition-protected?
Yes, the Blue Sea 7042 circuit breaker is ignition-protected, making it safe for installation aboard gasoline-powered boats.
