The Story
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.
Description
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.