Blue Sea 7046 187 - Series Thermal Circuit Breaker - 120Amp

The 187-Series Thermal Circuit Breakers are expertly designed for marine and boating applications, providing reliable circuit protection and seamless switching in a durable, waterproof panel mount configuration. Engineered to meet the demanding conditions of marine environments, this 120 Amp Circuit Breaker ensures the safety and efficiency of your vessel's electrical systems.

Key Features

• Integrates switching and circuit protection into a single robust device
• All components comply with SAE J1171 external ignition protection standards
• Easy-to-use single lever operation for clear control
• "Trip Free" design ensures the breaker cannot remain "ON" during fault conditions
• Waterproof construction ideal for marine environments
• Recessed mounting holes provide a clean and streamlined appearance
• Self-trimming case eliminates the need for additional mounting panels or trim bezels
• Round case design allows for straightforward installation with standard hole saws
• Ample clearance around terminal studs accommodates heavy gauge wire lugs
• Durable 5/16" terminals offer high torque connections for secure wiring
• Large lever available in vertical or horizontal orientation to indicate trip status clearly
• Ignition protected, making it safe for installation on gasoline-powered boats

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

Additional Specifications

• Amperage: 120A
• Box Dimensions: 2" H x 5" W x 8" L
• Weight: 0.5 lbs
• UPC: 632085070465

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.