The Blue Sea Systems 187-Series 150A Thermal Circuit Breaker combines switching and circuit protection in a single, waterproof device. Designed for reliable performance in demanding environments, this surface-mount breaker is ignition-protected, making it safe for installation on gasoline-powered boats.
- Circuit Breaker Class: Type III, switchable, manual reset, trip-free design
- Current Rating: 150A
- Maximum Voltage: 48V DC
- Interrupt Rating: 5,000A at 12V DC, 3,000A at 24V DC, 1,500A at 42V DC
- Operating Temperature: -25°C to +82°C
- Construction: Thermoset polyester case with robust 5/16" terminals
- Safety Compliance: Meets SAE J1171 external ignition protection requirements
- Mounting: Surface mount with recessed holes for a clean aesthetic
- Operation: Large lever provides clear trip status indication
- Regulatory Note: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Product facts
- CT SKU
- CT-100449
- Model / MPN
- 7148
- UPC / GTIN
- 632085171483
- Package dimensions
- 2" X 5" X 8"
- Package weight
- 0.55 lb
- Specifications
- Amperage = 150a
Fit-sensitive item: confirm measurements, model numbers, and manufacturer details before ordering. Tug & Tow does not guarantee universal compatibility from a product page alone.
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Shipping & returns
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Fit & compatibility
Fit & compatibility
Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.
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Need help choosing?
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