Blue Sea Systems Circuit Breaker 187-Series Surface Mount 100A
Product info
Product info
Couldn't load pickup availability
Circuit Breaker 187-Series Surface Mount 100A
Experience Ultimate Electrical Safety and Control with the Circuit Breaker 187-Series Surface Mount 100A. Ensure the safety and reliability of your marine or automotive electrical system with this Systems Circuit Breaker. This advanced circuit breaker provides the utmost protection and control over your electrical circuits.
Key Features of the Circuit Breaker 187-Series Surface Mount 100A:
- Combines Switching and Circuit Protection*: This circuit breaker offers a unique combination of switching and circuit protection in a single device. It streamlines your electrical setup, reducing the need for multiple components and simplifying your system.
- Clear, Single Lever Operation.: Featuring a clear and easy-to-use single lever, this circuit breaker ensures straightforward and user-friendly operation.
- Enhanced Safety with "Trip Free" Design: During fault current conditions, this feature prevents the circuit breaker from remaining "ON". This ensures protection from overcurrent situations.
- Waterproof Construction: This circuit breaker is waterproof, providing reliability even in wet conditions.
- Recessed Mounting Holes: It comes with recessed mounting holes, creating a clean and sleek appearance when installed. Additionally, it not only performs exceptionally but also enhances the aesthetics of your electrical panel.
- Large Clearance Around Terminal Studs: The circuit breaker is designed to accommodate heavy-gauge wire lugs with large clearance around the terminal studs. This feature simplifies the connection process and ensures secure connections.
- Robust Terminals for Reliability: With 5/16 M8 terminals, this circuit breaker supports high-torque connections, minimising the risk of loose connections and enhancing system reliability.
- Large Lever with Indicator: It features a large lever with both vertical and horizontal orientations. This provides a clear indication of the trip status, therefore, you can quickly identify if a trip has occurred, ensuring the safety of your system.
- Ignition Protected for Gasoline-Powered Boats: This circuit breaker is ignition-protected, making it safe for installation on gasoline-powered boats. It meets the stringent requirements of SAE J1171 for external ignition protection, providing peace of mind for boat owners.
Upgrade your electrical system with the Blue Sea Systems Circuit Breaker 187-Series Surface Mount 100A. With innovative features and robust construction, this circuit breaker is the ideal choice for those seeking top-tier electrical control and protection. Ensure the reliability and safety of your marine or automotive electrical setup today. See Blue Sea Systems' full range here.
*Do not use it as a switch when you expect high inrush currents.
Delivery & Returns
Delivery & Returns
🚚 Fast Dispatch: Order by 2pm and we’ll aim to ship your order the same day, Monday to Friday.
🇬🇧 UK Delivery: DPD, Parcelforce, or Royal Mail
📦 30-Day Returns: Unused items in original packaging
💬 Need Help? info@nomadicleisure.co.uk
All payments are processed securely using trusted providers. Your card details are never stored or shared - we use encrypted systems to keep every transaction safe.
About Nomadic Leisure
At Nomadic Leisure, we’re more than a retailer — we’re a family-run UK business built on a shared love of travel and adventure. Whether you’re converting a campervan, exploring off-grid living, or setting sail, we provide the gear and expertise to make every journey better.
Our products are tested, trusted, and chosen for quality, reliability, and value — helping you travel with confidence wherever the road (or water) takes you.
- Family-run UK business with real-world experience
- Handpicked products from trusted leisure brands
- Knowledgeable, UK-based customer support

