The Blue Sea Systems 187-Series Thermal Circuit Breaker combines circuit protection and switching into a single, waterproof device. Designed for easy installation, this unit features a round, self-trimming case that installs with a standard hole saw and includes recessed mounting holes for a clean finish.
Key Features:
- 70 Amp manual reset, trip-free design ensures the switch cannot be held ON during a fault.
- Ignition protected for safe use on gasoline-powered boats, meeting SAE J1171 requirements.
- Large, high-torque 5/16 in. terminal studs accommodate heavy gauge wire lugs.
- Clear lever provides visual indication of trip status and can be oriented vertically or horizontally.
- Voltage rating: 48 Volts DC maximum.
- Interrupt rating: 5,000 Amperes at 12V DC; 3,000 Amperes at 24V DC; 1,500 Amperes at 42V DC.
- Operating temperature range: -25°C to +82°C.
- Case construction: Thermoset polyester.
- Regulatory note: This product contains di(2-ethylhexyl)phthalate (DEHP), a chemical known to the State of California to cause cancer, birth defects, or other reproductive harm.
Product facts
- CT SKU
- CT-100423
- Model / MPN
- 7041
- UPC / GTIN
- 632085070410
- Package dimensions
- 3" X 5" X 8"
- Package weight
- 0.47 lb
- Specifications
- Amperage = 70a
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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