Blue Sea 7039 187 - Series Thermal Circuit Breaker - 50Amp

The 187-Series Thermal Circuit Breakers are engineered for optimal performance in marine and boating environments. Designed for panel mounting, these 50 Amp circuit breakers provide reliable switching and robust circuit protection, ensuring the safety and efficiency of your vessel's electrical systems.

Key Features

• Integrates switching and circuit protection into a single, compact device
• All components conform to SAE J1171 external ignition protection standards, ensuring safety aboard gasoline-powered boats
• Intuitive single lever operation for easy control
• "Trip Free" design prevents the breaker from being held in the "ON" position during fault conditions
• Waterproof construction suitable for harsh marine environments
• Recessed mounting holes provide a clean and streamlined panel appearance
• Self-trimming case eliminates the need for additional mounting panels or trim bezels, simplifying installation
• Round case design allows for easy installation using a standard-sized hole saw
• Spacious terminal studs accommodate heavy gauge wire lugs for robust wiring
• Durable 5/16” terminals ensure high torque connections for reliable performance
• Large lever with vertical/horizontal orientation clearly indicates trip status
• Ignition protected, making it safe for installation aboard gasoline-powered boats

Specifications

Part Number:	7039
Circuit Breaker Class:	Type III - Switchable / Manual Reset - Trip Free
Type:	Thermally Responsive Bi-Metal Blade
Amperage:	50 A
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
Case Material:	Thermoset Polyester
Operating Temperature Range:	-25°C to +82°C
Box Dimensions:	2" H x 4" W x 8" L
Weight:	0.5 lbs
UPC:	632085170394

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.