Blue Sea 187-Series 135 Amp Circuit Breaker – Reliable Marine Protection

Introduction

The Blue Sea 187-Series 135 Amp circuit breaker panel mount is an essential component designed for marine electrical systems, specifically tailored for boats and marine engines. This circuit breaker ensures optimal protection by guarding your vessel’s electrical circuits against overloads and short circuits while offering the convenience of a resettable breaker. Marine environments are notoriously harsh, and this breaker is engineered to withstand corrosion, vibration, and moisture, guaranteeing safety and reliability on the water.

Whether you are upgrading your boat’s electrical panel or replacing an outdated circuit breaker, the Blue Sea 187-Series 135 Amp offers unmatched durability and performance. This guide will walk you through everything you need to know about this circuit breaker, including installation advice, maintenance tips, troubleshooting, and expert recommendations.

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

The Blue Sea 187-Series 135 Amp circuit breaker is a panel mount device designed to protect your boat’s electrical circuits from excessive current flow that could cause damage or fire. It replaces traditional fuses with a manual resettable breaker that can quickly restore power after a trip, eliminating the need to carry and replace fuses onboard.

This breaker is built with marine-grade materials to withstand the corrosive saltwater environment, vibration from engine operation, and temperature fluctuations that are typical on boats. It features a clear trip indicator for quick fault diagnosis and is easy to install in most marine electrical panels.

Key Features of Blue Sea 187-Series 135 Amp Circuit Breaker

• 135 Amp Capacity: Supports higher current loads for larger boats or demanding electrical equipment.
• Panel Mount Design: Compact and fits easily within existing breaker panels.
• Resettable: Simply reset after a trip, reducing downtime and cost.
• Marine-Grade Construction: Resistant to salt, moisture, and vibration for longevity.
• Visual Trip Indicator: Helps quickly identify tripped breakers during troubleshooting.

Additional Sections to Explore

• How to Install Blue Sea 187-Series 135 Amp Circuit Breaker Panel Mount
• Maintenance Tips for Long-Term Reliability
• Expert Advice and Pro Recommendations for Marine Electrical Safety
• Cost, Durability, and Troubleshooting of Marine Circuit Breakers

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

Installation of the Blue Sea 187-Series 135 Amp circuit breaker requires careful attention to safety and marine wiring standards. Begin by turning off all power sources to the circuit to prevent accidents during installation.

Locate a suitable panel mount spot near your boat’s battery bank or distribution panel. Ensure the breaker fits securely in the panel and that the mounting holes align properly. Connect the source (battery side) and load (device side) wires to the breaker terminals using marine-grade wire and corrosion-resistant connectors.

Verify all wiring is tight and free of corrosion. After installation, test the breaker by restoring power and manually tripping/resetting it to confirm proper operation. If uncertain, seek help from a certified marine electrician to guarantee safe and code-compliant installation.

Maintenance Tips for Blue Sea 187-Series 135 Amp Circuit Breaker

Maintaining the Blue Sea 187-Series 135 Amp circuit breaker is critical for ensuring ongoing safety and optimal performance on your boat. Regularly inspect the breaker for signs of corrosion, wear, or loose connections that could compromise electrical integrity.

Keep the breaker clean and dry by wiping it down with a marine-safe cleaner and ensuring proper ventilation around the panel. Avoid repeatedly resetting the breaker without identifying the cause of trips, as this could indicate deeper wiring or equipment issues.

Occasionally use an electrical contact cleaner approved for marine use to lubricate the reset mechanism and maintain smooth operation. Regular testing of the breaker’s trip and reset function helps identify problems before they escalate.

Expert Advice and Pro Recommendations

Marine electrical experts recommend the Blue Sea 187-Series 135 Amp Circuit Breaker Panel Mount for its proven durability and reliable protection. The ability to reset the breaker manually offers convenience that traditional fuses can’t match, especially during extended trips.

Pro Tip: Always ensure the breaker rating matches the circuit requirements, considering wire gauge and connected equipment. Oversized breakers risk insufficient protection, while undersized breakers trip unnecessarily.

Buy now with 5% off using code WELCOME5 to safeguard your boat’s electrical system with top-quality protection.

Troubleshooting Blue Sea 187-Series 135 Amp Circuit Breaker Issues

If your Blue Sea 187-Series 135 Amp circuit breaker trips unexpectedly, begin troubleshooting by examining the circuit load. Excessive loads or short circuits commonly cause trips. Inspect wiring for damage, corrosion, or loose connections that may cause shorts or resistance.

Should the breaker fail to reset or trip immediately after resetting, the breaker may be damaged and require replacement. Do not bypass or modify breakers as this creates serious safety hazards.

For persistent issues, consult a marine electrical professional. Proper diagnosis protects your vessel and crew from electrical hazards.

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

The Blue Sea 187-Series 135 Amp circuit breaker offers excellent value due to its rugged marine-grade design and resettable feature. Although the initial cost may be higher than basic breakers or fuses, the long-term savings on maintenance and replacements make it a smart investment.

Its corrosion-resistant materials and vibration tolerance ensure it will last years in marine environments, reducing the risk of failure and costly repairs. The resettable mechanism also minimizes downtime, crucial for boating safety and convenience.

Detailed FAQ Section

What makes the Blue Sea 187-Series 135 Amp breaker suitable for marine applications?

The Blue Sea 187-Series 135 Amp circuit breaker is designed specifically with marine conditions in mind. Its construction uses corrosion-resistant materials to withstand saltwater, humidity, and vibration common on boats. Unlike standard breakers, this model includes a manual reset feature and a visual trip indicator, making it easy to maintain and troubleshoot onboard. These features combined ensure safer and more reliable electrical protection for marine engines and electrical systems.

How do I determine if the 135 Amp breaker is the right size for my boat’s electrical needs?

Choosing the correct amperage breaker depends on the electrical load and wire gauge in your system. The 135 Amp rating is ideal for larger circuits supplying high-current devices like bow thrusters, trolling motors, or inverter systems. To avoid nuisance tripping or unsafe conditions, consult your boat’s wiring diagram or a marine electrician to verify that your circuit’s wire size and equipment match this breaker rating.

Can I install the Blue Sea 187-Series 135 Amp breaker myself?

If you have basic electrical knowledge and follow marine wiring codes, you can install the breaker yourself. Always disconnect power before installation and use marine-grade wiring and connectors. Position the breaker in a suitable panel mount spot and ensure all connections are secure and corrosion-free. However, if you lack experience or confidence, it’s best to hire a certified marine electrician for installation to ensure safety and compliance.

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

Maintenance includes routine visual inspections for corrosion, loose wires, or damage. Clean the breaker housing regularly and test the trip/reset function to confirm operational readiness. Use marine-safe electrical contact cleaner on moving parts to prevent stiffness or sticking. Avoid repeated resetting without identifying the cause of trips to prevent damage. Keeping the breaker dry and protected from vibration further extends its lifespan.

How long does the Blue Sea 187-Series 135 Amp breaker typically last?

With proper installation and regular maintenance, this breaker can last many years — often over a decade — in harsh marine environments. Its corrosion-resistant and vibration-tolerant design enables it to withstand saltwater exposure, temperature fluctuations, and mechanical stresses common in boating. However, frequent electrical faults or harsh treatment may shorten its lifespan, so periodic inspections are essential for safety.

Conclusion

The Blue Sea 187-Series 135 Amp circuit breaker panel mount delivers exceptional marine electrical protection designed to withstand the challenging marine environment. Its resettable function, marine-grade durability, and easy installation make it an excellent choice for boaters seeking reliable and safe circuit protection.

Whether upgrading your boat’s electrical system or replacing an aging breaker, this model provides peace of mind with superior overload and short-circuit protection. Invest in the Blue Sea 187-Series 135 Amp to keep your marine electrical circuits safe and operational for years to come.

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 Panel Mount

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

Additional Resource

For related marine engine and electrical system products, visit the Yamaha Outboards official website to explore compatible outboard engines and accessories designed for top performance and durability.