Blue Sea Systems 187-Series Thermal Circuit Breaker, 100 Amp

Safeguard your vessel's electrical system with the Blue Sea Systems 187-Series Thermal Circuit Breaker. This indispensable component seamlessly integrates essential switching functionality with robust circuit protection, offering unparalleled reliability and safety for marine DC applications. Ensure your critical systems are protected against overloads and short circuits. Invest in peace of mind for your next marine project.

Key Benefits:

• 100 Amp Rating: Safely manages high electrical loads, protecting your DC system.
• 48 Volt DC Maximum Voltage: Designed specifically for common marine DC power configurations.
• Trip-Free Design: Automatically prevents re-engagement during a fault condition, ensuring consistent protection.
• Ignition Protected (SAE J1171): Certified safe for installation in gasoline-powered environments, preventing potential explosions.
• Durable Thermoset Polyester Case: Offers excellent resistance to heat, chemicals, and harsh marine environments for long-lasting performance.
• Robust 5/16" Terminals: Provide secure, high-torque connections for heavy gauge wiring, ensuring reliable current transfer.
• Waterproof Construction (IP66): Built to withstand moisture and spray, ideal for demanding marine applications.
• High Interrupt Rating: Capable of safely interrupting 5,000A at 12V DC, 3,000A at 24V DC, and 1,500A at 42V DC, providing critical fault protection.
• Wide Operating Temperature Range: Functions reliably in temperatures from -40°C to +85°C.
• Class Type III Operation: Offers switchable, manual reset, and trip-free functionality for versatile control and safety.
• Thermally Responsive Bi-Metal Blade: Utilizes a bi-metal blade for accurate and reliable thermal overload detection.

WARNING: This product can expose you to chemicals known to the State of California to cause cancer and reproductive harm. More information is available at P65Warnings.ca.gov.