Blue Sea 7146 187 - Series Thermal Circuit Breaker - 120Amp

The 187-Series Thermal Circuit Breakers are engineered specifically for marine and boating applications, providing reliable circuit protection and seamless switching in a compact surface mount design. With a robust 120 Amp rating, this circuit breaker ensures your vessel's electrical systems operate safely and efficiently under demanding conditions.

Key Features

• Integrated Switching and Protection: Combines switching functionality with circuit protection in a single, streamlined device.
• SAE J1171 Compliance: All components meet SAE J1171 external ignition protection standards, ensuring safety aboard gasoline-powered boats.
• Easy Operation: Features a clear, single lever for effortless switching and status indication.
• Trip Free Design: The breaker cannot be held "ON" during fault conditions, enhancing safety.
• Waterproof Construction: Designed to withstand marine environments, keeping the breaker dry and functional.
• Recessed Mounting: Recessed mounting holes provide a clean and professional appearance on your vessel.
• Heavy Gauge Wire Compatibility: Large clearance around terminal studs accommodates heavy gauge wire lugs for secure connections.
• High Torque Terminals: Robust 5/16" terminals ensure high torque connections for reliable performance.
• Versatile Lever Orientation: Large lever can be oriented vertically or horizontally, providing clear trip status indication.
• Ignition Protected: Safe for installation on gasoline-powered boats, preventing ignition sources in hazardous environments.

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

Additional Specifications

• Amperage: 120A
• Box Dimensions: 2" H x 4" W x 5" L
• Weight: 0.5 lbs
• UPC: 632085071462

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.

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.