![Blue Sea 7139 187 - Series Thermal Circuit Breaker - 50Amp [7139]](https://cdn.shopify.com/s/files/1/0855/3916/0358/files/20559XL.jpg?v=1706645978)
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Description
Blue Sea 7139 187 - Series Thermal Circuit Breaker - 50Amp [7139]187 Series Thermal Circuit Breakers Surface Mount 50 Amp Circuit Breaker PN: 7139 Features: Combines switching and circuit protection into a single device All components meet SAE J1171 external ignition protection requirements Clear, single lever operation "Trip Free" design cannot be held "ON" during fault current condition Waterproof Recessed mounting holes for clean appearance Large clearance around terminal studs accept heavy gauge wire lugs
187 - Series Thermal Circuit Breakers - Surface Mount
50 Amp Circuit Breaker
PN: 7139
Features:
- Combines switching and circuit protection into a single device
- All components meet SAE J1171 external ignition protection requirements
- Clear, single lever operation
- "Trip Free" design cannot be held "ON" during fault current condition
- Waterproof
- Recessed mounting holes for clean appearance
- Large clearance around terminal studs accept heavy gauge wire lugs
- Robust 5/16 terminals provide high torque connections
- Large lever with vertical/horizontal orientation provides indication of trip status
- Ignition protected - safe for installation aboard gasoline powered boats
| Specifications | |
| 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: | -25C° to +82C° |
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 go to P65Warnings.ca.gov.
Specifications:
- Amperage: 50a
- Box Dimensions: 2"H x 5"W x 8"L WT: 0.6 lbs
- UPC: 632085171391
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.0 ★★★★★
Based on 1326 reviews
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Product Reviews
★★★★★ 5
amazing pan
Size: 2-Quart
beautifully made just the right size. Already comes seasoned.
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Reviewed in the United States on April 30, 2026
★★★★★ 5
Perfect for Bread
Size: 2-Quart
I bought this to make the bread in the book "Bittman Bread" by Mark Bittman and Kerri Conan, which I also bought here on Amazon. This Dutch Oven has been working perfectly for the last 6 months of baking. As a bonus, it's much less expensive that the same size Lodge pot. I've got a 5-1/2 quart regular and a 7-1/2 quart enameled both from Lodge and use them all the time for stuff, but I only use this 2 qt for the bread, usually more than once a week. It's great.
Look up that "Bittman Bread" book and buy it from Amazon (I don't think you can insert links in the review), then definitely buy this Dutch Oven. I highly recommend both.
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Excellent Enameled Cast Iron Dutch Oven
Color: Red, Size: 5Qt
This Dutch oven has quickly become my favorite piece of cookware in the kitchen. The enamel coating makes cleanup surprisingly easy, even after slow-cooked meals. It heats evenly and keeps food warm for a long time after cooking. I’ve used it for soups, roasts, pasta dishes, and homemade bread with amazing results every time. The red color is beautiful and looks great sitting on the stovetop. It feels heavy and durable without being impossible to handle. I would absolutely recommend this to anyone looking for a high-quality and versatile cooking pot.
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Reviewed in the United States on May 7, 2026
★★★★★ 5
Great for baking bread
Color: Red, Size: 5Qt
Great quality for a good price. I use this to bake sourdough loaves and it performs superbly! I love the little handle potholders they are the perfect size and provide good protection from the very hot pot. Beautiful color but practical and useful.
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Worth the purchase
Color: Green, Size: 5Qt
This is my new favorite kitchen purchase. Soups, dips, rice... It all cooks so evenly and beautifully. It cleans so easily with a rag (not using anything abrasive). I am putting about a tablespoon of oil in the pot after cleaning and using and rubbing into the pan to get it seasoned. I would absolutely recommend this purchase. It's beautiful and functional
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Reviewed in the United States on May 15, 2026