Blue Sea 7136 187 - Series Thermal Circuit Breaker - 30Amp

The 30 Amp 187-Series Thermal Circuit Breaker is an essential component for marine and boating electrical systems, ensuring reliable protection and seamless switching. Designed for surface mounting, this circuit breaker combines robust performance with features tailored specifically for the demanding marine environment.

Key Features

• Integrates switching and circuit protection in a single device, simplifying installation and maintenance.
• Complies with SAE J1171 external ignition protection standards, enhancing safety on gasoline-powered boats.
• Easy-to-use single lever operation for quick and clear control.
• “Trip Free” design ensures the breaker cannot remain "ON" during fault conditions, preventing potential hazards.
• Fully waterproof construction, ideal for marine applications exposed to harsh weather and moisture.
• Recessed mounting holes provide a clean and professional installation appearance.
• Spacious clearance around terminal studs accommodates heavy gauge wire lugs for secure connections.
• Durable 5/16” terminals deliver high torque connections, ensuring long-lasting performance.
• Large lever with both vertical and horizontal orientations clearly indicates the trip status for easy monitoring.
• Ignition protected, making it a safe choice for installation aboard gasoline-powered vessels.

Technical Specifications

Specification
Circuit Breaker Class:	Type III - Switchable / Manual Reset - Trip Free
Type:	Thermally Responsive Bi-Metal Blade
Case Material:	Thermoset Polyester
Voltage Rating:	48 Volts DC Maximum
Interrupt Rating:	5,000 Amperes @ 12 Volts DC 3,000 Amperes @ 24 Volts DC 1,500 Amperes @ 42 Volts DC
Operating Temperature Range:	-25°C to +82°C
Amperage:	30 Amps
Box Dimensions:	3" H x 4" W x 6" L
Weight:	0.4 lbs
UPC:	632085171360

Why Choose the 187-Series Thermal Circuit Breaker for Your Marine Applications?

When it comes to marine electrical systems, reliability and safety are paramount. The 187-Series Thermal Circuit Breaker offers unparalleled protection against electrical faults, ensuring your vessel's systems operate smoothly. Its ignition-protected design makes it suitable for installations on gasoline-powered boats, mitigating the risk of fires and other hazards.

Installation is straightforward with recessed mounting holes and a user-friendly single lever. The waterproof construction guarantees durability in marine environments, where exposure to water and varying temperatures is a constant challenge. Additionally, the large clearance for heavy gauge wires and high-torque terminals provide secure and long-lasting electrical connections.

Compliance and Safety

This product meets all necessary safety standards, including SAE J1171 for external ignition protection. It is designed to handle high interrupt ratings, providing robust protection in critical applications. The trip-free feature ensures that the breaker cannot be tampered with during fault conditions, adding an extra layer of safety for your marine electrical systems.

WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (DEHP) which is known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit P65Warnings.ca.gov.

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