Blue Sea Systems 187-Series Thermal Circuit Breaker, 150A, Surface Mount

Ensure superior electrical protection and control for your marine systems with the Blue Sea Systems 187-Series Thermal Circuit Breaker. Engineered for the demanding marine environment, this robust 150 Amp, surface-mount breaker provides heavy-duty circuit protection and reliable switching in a single, waterproof unit. Its ignition-protected design makes it safe for installation aboard gasoline-powered boats, adhering to stringent SAE J1171 external ignition protection requirements. Invest in Blue Sea Systems for trusted, long-lasting performance on the water.

Key Benefits & Specifications:

• Heavy-Duty Circuit Protection: Features a robust 150 Amp rating, ideal for high-current marine applications.
• Integrated Switching Functionality: Combines reliable switching and comprehensive circuit protection in one device, simplifying your electrical system.
• Marine-Grade Durability: Constructed with a durable Thermoset Polyester case and designed to be waterproof, ensuring longevity in harsh conditions.
• Ignition Protected: Meets SAE J1171 external ignition protection requirements, making it safe for installation on gasoline-powered boats.
• 'Trip Free' Design: Prevents the breaker from being held in the 'ON' position during fault current conditions, enhancing safety.
• High-Torque Connections: Equipped with robust 5/16-inch terminal studs that accept heavy gauge wire lugs for secure, high-integrity connections.
• Wide Voltage Compatibility: Rated for a maximum of 48 Volts DC, suitable for various marine electrical setups.
• High Interrupt Rating: Provides significant protection with a 5,000 Amperes @ 12V DC interrupt rating.
• Broad Operating Temperature: Functions reliably across a wide range of temperatures, from -25°C to +82°C.
• Type III Breaker: Classified as a Type III, switchable/manual reset, trip-free thermal circuit breaker, ensuring precise control and protection.