Blue Sea 7148 187 - Series Thermal Circuit Breaker - 150Amp

The 187-Series Thermal Circuit Breakers are engineered for surface mounting, delivering dependable protection and seamless switching for your marine electrical systems. With a robust 150 Amp rating, this breaker ensures optimal safety and performance on gasoline-powered boats.

Key Features

• Integrates switching and circuit protection into a single, compact device.
• All components comply with SAE J1171 for external ignition protection, ensuring safety on the water.
• Easy-to-use single lever operation for straightforward control.
• “Trip Free” design prevents the breaker from being held "ON" during fault conditions, enhancing safety.
• Waterproof construction suitable for the harsh marine environment.
• Recessed mounting holes provide a clean and streamlined appearance on your vessel’s electrical panels.
• Spacious clearance around terminal studs accommodates heavy gauge wire lugs, supporting robust marine wiring.
• Durable 5/16” terminals allow for high torque connections, ensuring secure and reliable electrical integrity.
• Large lever with both vertical and horizontal orientations clearly indicates the trip status.
• Ignition protected, making it safe for installation on gasoline-powered boats.

Technical Specifications

Specification
Part Number (PN):	7148
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:	150A
Box Dimensions:	2"H x 5"W x 8"L
Weight:	0.55 lbs
UPC:	632085171483

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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