Blue Sea 187-Series 135 Amp Circuit Breaker: Reliable Marine Safety

Introduction

The Blue Sea 187-Series 135 Amp circuit breaker surface mount is a premium marine electrical protection device designed for boats and marine engines requiring high amperage circuit safeguarding. Engineered for ease of installation and reliable performance, this breaker is ideal for protecting critical circuits from overloads and short circuits, enhancing safety on the water.

With marine-grade corrosion resistance and a manual reset feature, the Blue Sea 187-Series 135 Amp circuit breaker ensures quick recovery after a trip event without the hassle of fuse replacement. Its surface mount design simplifies panel mounting, making it a favored choice among boat builders, marine electricians, and DIY enthusiasts.

Overview / What Is Blue Sea 187-Series 135 Amp Circuit Breaker?

The Blue Sea 187-Series 135 Amp circuit breaker surface mount is a robust circuit protection device designed to handle high-current marine electrical circuits. Its primary function is to interrupt excessive current flow caused by overload or short circuits, thereby protecting wiring and sensitive equipment on boats and marine engines.

This breaker features a compact, surface mount form factor allowing easy panel installation without complex cutouts. Constructed with durable, corrosion-resistant materials, it withstands the challenging marine environment including salt spray, vibration, and humidity.

• Surface mount style: Simple installation on flat panels.
• Manual reset button: Allows immediate restoration of power after a trip.
• Marine-grade materials: Ensures long-lasting performance in harsh conditions.
• Reliable circuit protection: Prevents electrical fires and damage.

Key topics covered in this article include how to install, best options for marine breakers, maintenance tips, troubleshooting, and cost & durability of this model to help boat owners make informed decisions.

How to Install Blue Sea 187-Series 135 Amp Circuit Breaker Surface Mount

Proper installation of the Blue Sea 187-Series 135 Amp circuit breaker surface mount is critical for safe and efficient marine electrical system operation. First, select a secure flat location near the power source or electrical panel where the breaker can be easily accessed.

Ensure the power source is disconnected before beginning installation. Mount the breaker on the panel using screws through the provided holes. Connect the input terminal to the battery or power bus positive cable and the output terminal to the protected circuit using marine-grade wiring and connectors.

• Use wires rated for 135 Amps or higher to prevent overheating.
• Tighten terminal screws firmly, avoiding over-tightening that can damage terminals.
• Check for correct polarity and secure all connections.

After installation, test the breaker by pressing the reset button and confirming circuit continuity. Follow marine electrical codes and manufacturer instructions to ensure compliance and safety.

Blue Sea 187-Series 135 Amp Circuit Breaker Maintenance Tips

Maintaining your Blue Sea 187-Series 135 Amp circuit breaker surface mount regularly will help avoid unexpected trips and extend the device’s lifespan. Inspect the breaker visually at least once a month for corrosion, physical damage, or loose wiring connections.

Clean the breaker terminals using a soft cloth and marine electrical contact cleaner to remove any salt deposits or dirt. Avoid abrasive cleaners or harsh chemicals that could damage the protective coating. Periodically test the manual reset to ensure smooth operation and that the breaker properly trips under simulated fault conditions.

• Keep wiring secure and free of abrasion.
• Check for moisture intrusion around the breaker and panel area.
• Replace the breaker promptly if it trips frequently without an identifiable cause.

Expert Advice and Pro Recommendations

Marine electrical professionals recommend the Blue Sea 187-Series 135 Amp circuit breaker surface mount for its reliability and ease of integration into existing marine electrical systems. Combining it with other breakers from the 187-Series ensures consistent performance and simplifies system maintenance.

When selecting breakers, always match the amperage rating precisely to the circuit load and avoid oversizing, which could reduce protection effectiveness. For installations on larger boats or commercial vessels, consult marine electrical standards and qualified electricians to ensure safety and code compliance.

Buy now: Blue Sea 187-Series 135 Amp Circuit Breaker Surface Mount and use code WELCOME5 to get 5% off your purchase.

Blue Sea 187-Series 135 Amp Circuit Breaker Troubleshooting and Common Issues

If your Blue Sea 187-Series 135 Amp circuit breaker surface mount trips repeatedly, the first step is to check the load on the protected circuit. Excessive current draw from devices or faults like shorts can cause trips. Inspect wiring for signs of wear, corrosion, or damage that may lead to intermittent faults.

Another common cause is loose terminal connections, which create resistance and heat buildup. Ensure all terminal screws are tight and connectors are secure. If the breaker fails to reset or trips instantly, it may be internally damaged and require replacement.

• Use a multimeter to measure circuit continuity and current draw.
• Inspect for water intrusion or moisture that could cause short circuits.
• Verify breaker amperage matches circuit requirements.

Blue Sea 187-Series 135 Amp Circuit Breaker Cost and Durability Analysis

The Blue Sea 187-Series 135 Amp circuit breaker surface mount offers an excellent balance of cost and durability for marine applications. While it may be priced higher than some generic breakers, its marine-grade construction and proven reliability justify the investment.

Made from corrosion-resistant materials and built to endure the harsh marine environment, it reduces replacement frequency and maintenance costs over time. The manual reset function eliminates the ongoing cost of replacing fuses and decreases downtime, especially critical for commercial or long-distance boating.

• Competitive price considering longevity and safety features.
• Marine-certified for harsh environments.
• Manual reset saves on fuse replacement costs.

Detailed FAQ Section

What are the key features of the Blue Sea 187-Series 135 Amp circuit breaker surface mount?

The Blue Sea 187-Series 135 Amp circuit breaker features a surface mount design for easy installation on flat panels, manual reset capability for quick restoration of power, and marine-grade corrosion-resistant materials for durability in harsh marine environments. It protects wiring and equipment from overloads and short circuits and is rated to handle 135 Amps continuous current. Its compact size and reliable trip characteristics make it a popular choice for both recreational and commercial marine vessels, ensuring safety and ease of maintenance onboard.

How do I install the Blue Sea 187-Series 135 Amp circuit breaker correctly on my boat?

Installation starts with disconnecting all power sources to ensure safety. Select a secure, flat location near the power source or panel for mounting. Use the provided screws to mount the breaker firmly to the panel. Connect the positive input cable from the battery or bus bar to the breaker’s input terminal, and the output terminal to the circuit load using appropriately rated marine-grade wiring. Make sure all connections are tight and polarity is correct. After wiring, restore power and test the breaker by pressing the reset button. Always adhere to marine electrical standards and manufacturer instructions to maintain system safety and compliance.

What maintenance is required to keep the Blue Sea 187-Series 135 Amp circuit breaker in optimal condition?

Regular visual inspection is essential to spot corrosion, damage, or loose connections. Clean the breaker terminals and housing with a marine-safe electrical contact cleaner to prevent buildup of salt and dirt. Test the manual reset and trip function regularly to ensure the breaker operates properly. Secure wiring to avoid chafing and check for moisture intrusion. If the breaker trips frequently without apparent cause, it may be faulty and should be replaced promptly to avoid safety risks. Proper maintenance helps extend the breaker’s lifespan and reliability on your vessel.

Can the Blue Sea 187-Series 135 Amp breaker be integrated with other Blue Sea breakers?

Yes, the 187-Series breakers are designed to be modular and compatible, allowing boat owners to build or upgrade electrical panels using breakers of different amperages but consistent design. This compatibility simplifies installation, maintenance, and spare parts management. Using breakers from the same series ensures uniform trip curves and reliable protection across circuits. Many boat owners combine the 135 Amp breaker with lower-rated breakers from the same series to cover multiple circuits such as lighting, pumps, and navigation electronics effectively and safely.

Where can I get support if I encounter issues with the Blue Sea 187-Series 135 Amp circuit breaker?

If you experience problems like frequent trips, inability to reset, or suspected internal faults, begin by reviewing your installation and wiring for compliance with marine electrical codes. Check for loose connections, corrosion, or damaged cables. For complex issues or replacement advice, consult a certified marine electrician or contact Blue Sea Systems’ technical support through their official channels. Retain your purchase receipt and warranty information for assistance. Proper troubleshooting and expert support ensure your marine electrical system remains safe and functional.

Conclusion

The Blue Sea 187-Series 135 Amp circuit breaker surface mount stands out as a robust and reliable solution for marine electrical protection. Its marine-grade materials, easy surface mount design, and manual reset feature make it a favorite among boaters seeking durability and convenience. Proper installation and routine maintenance ensure optimal performance and safety for your boat’s electrical system, making this breaker an excellent investment for both recreational and commercial marine applications.

For anyone upgrading or maintaining marine electrical panels, this breaker offers peace of mind and proven reliability on the water.

Special Offer

WELCOME5 – Get 5% off storewide at allboatsupplies.com

🚀 Instant Assistance: Need help selecting the right product? Drop your contact in the chatbox at the bottom right corner, and our expert team will reply within 30 minutes with the best product suggestion for your boat — including a ready-to-use checkout link. We’re fast, knowledgeable, and always here for your boating needs!

No more guesswork — just message us and get a personalized checkout link for your antifouling system, fast!

Explore Our Best-Selling Ultrasonic Antifouling Products:

Buy now

Blue Sea 187-Series 135 Amp Circuit Breaker Surface Mount

Let us handle the hassle — expert support, quick replies, and smooth checkout. Your boat deserves the best.

Additional Resource

For advanced marine engine support and integration, consider products from Yamaha Outboards, a leader in reliable marine propulsion and electrical systems.