Description
Blue Sea 7149 200A Circuit Breaker | Boat Supply Store
This robust 200 Amp circuit breaker from Blue Sea Systems addresses the critical need for combined circuit protection and primary switching in high-draw marine applications, particularly those employing gasoline engines where ignition protection is paramount. Featuring a trip-free design and SAE J1171 certification for ignition protection, this unit ensures reliable operation in demanding environments, such as powering heavy-duty trolling motors or anchor windlasses offshore. Its waterproof construction and secure 5/16 M8 terminals guarantee a safe and durable electrical connection, essential for maintaining system integrity and preventing potential hazards at sea. Find this essential component at Boat Supply Store.
Key Features
- Integrated Switching and circuit protection for simplified wiring.
- Trip-Free Design prevents manual `hold-in` operation and prevents breaker from being held closed by an overload.
- Waterproof Construction for reliable operation in wet marine environments.
- Ignition Protected (SAE J1171) ensuring safety around gasoline fumes.
- Surface Mount for straightforward installation on bulkheads.
- Robust 5/16" M8 Terminals ensure secure and reliable electrical connections.
- Large Lever provides clear visual indication of trip status.
- Recessed Mounting Holes contribute to a clean and professional installation.
Specifications
| Product Specifications | |
|---|---|
| Amperage Rating | 200A |
| Series | 187-Series |
| Mounting Type | Surface Mount |
| Terminals | 5/16" M8 |
| Waterproof | Yes |
| Ignition Protected | Yes (SAE J1171) |
Who This Is For
This circuit breaker is designed for boat owners and marine technicians who need an integrated solution for switching and protecting DC systems up to 200 amps. It is particularly crucial for owners of gasoline-powered vessels requiring ignition protection.
How It Compares
| Feature | Blue Sea 7149 200A Circuit Breaker | Competitor |
|---|---|---|
| Amperage Rating | 200A | 100A, 100A |
| Mounting Type | Surface Mount | Surface Mount, Surface Mount |
| Ignition Protected | Yes (SAE J1171) | Yes, Yes |
| Combined Switch and Protection | Yes | No, No |
| Terminal Size | 5/16" M8 | 5/16" M8, Varies |
| Waterproof | Yes | Yes, Varies |
Common Concerns Answered
The price of this breaker is higher than basic models. Is it worth the investment?
Yes, the Blue Sea 7149 offers significant value by combining both circuit protection and switching capabilities into a single, robust, and marine-grade unit. Its SAE J1171 ignition protection and waterproof construction are critical safety features, especially for gasoline-powered engines, justifying the higher price point for enhanced reliability and safety on board.
Can I use this circuit breaker as a primary switch for any electrical load?
While the Blue Sea 7149 functions as a switch, it is not recommended for use with high inrush currents, such as directly switching large motors that require a significant surge to start. For such applications, a dedicated high-amperage switch should be used in conjunction with this breaker for protection.
Is this breaker suitable for all types of boats?
This 200 Amp breaker is ideal for boats with higher electrical demands and, crucially, those with gasoline engines due to its SAE J1171 ignition protection. For boats with diesel engines or significantly lower amperage requirements, alternative solutions may be more appropriate.
Frequently Asked Questions
What is the maximum amperage this circuit breaker can handle?
The Blue Sea 7149 circuit breaker is rated for a maximum of 200 Amps.
Is this circuit breaker ignition protected?
Yes, this circuit breaker is ignition protected and certified to SAE J1171 standards, making it safe for use in environments with gasoline vapors.
Can this circuit breaker be used as a switch?
Yes, this circuit breaker integrates both switching and protection functions, allowing it to be used as a primary switch for circuits up to its amperage rating, with the noted limitation regarding high inrush currents.
What type of terminals does this circuit breaker have?
This circuit breaker is equipped with robust 5/16" M8 terminals for secure electrical connections.
Is this circuit breaker waterproof?
Yes, the Blue Sea 7149 circuit breaker is designed with a waterproof construction to withstand marine environments.
