Blue Sea 7038 187 - Series Thermal Circuit Breaker - 40A

The 187-Series Thermal Circuit Breaker is a reliable and robust solution for marine and boating applications, providing essential circuit protection and seamless switching capabilities. Designed to meet the demanding conditions of marine environments, this panel mount breaker ensures safety and efficiency aboard your vessel.

Key Features

• Integrates switching and circuit protection in a single, compact device.
• All components comply with SAE J1171 external ignition protection standards.
• Easy-to-operate single lever for clear and straightforward control.
• "Trip Free" mechanism prevents the breaker from being held in the "ON" position during fault conditions.
• Waterproof construction suitable for marine environments.
• Recessed mounting holes for a clean and streamlined panel appearance.
• Self-trimming case eliminates the need for additional mounting panels or trim bezels.
• Round case design allows for easy installation using standard hole saws.
• Spacious clearance around terminal studs accommodates heavy gauge wire lugs.
• Durable 5/16" terminals ensure high torque connections for reliable performance.
• Large lever with both vertical and horizontal orientations indicates trip status clearly.
• Ignition protected, making it safe for installation on gasoline-powered boats.

Specifications

General Specifications
Amperage:	40 Amp
Type:	Thermally Responsive Bi-Metal Blade
Circuit Breaker Class:	Type III - Switchable / Manual Reset - Trip Free
Case Material:	Thermoset Polyester
Voltage Rating:	Up to 48 Volts DC
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
Box Dimensions:	3" H x 5" W x 7" L
Weight:	0.5 lbs
UPC:	632085170387

Compliance and Safety

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.