This Blue Sea Systems 187-Series thermal circuit breaker combines switching and circuit protection in a single, waterproof device. Engineered for versatility and safety, it features a trip-free design that prevents the breaker from being held in the ON position during a fault. The unit is ignition protected, making it suitable for installation on gasoline-powered boats.
- Amperage rating: 40A
- Circuit breaker class: Type III (Switchable/Manual Reset)
- Voltage rating: 48V DC maximum
- Interrupt rating: 5,000A at 12V DC, 3,000A at 24V DC, 1,500A at 42V DC
- Operating temperature range: -25°C to +82°C
- Terminal design: Robust 5/16" studs for heavy gauge wire
- Construction: Thermoset polyester case, ignition protected per SAE J1171
- Installation: Round, self-trimming case for easy hole-saw mounting
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-100420
- Model / MPN
- 7038
- UPC / GTIN
- 632085170387
- Package dimensions
- 3" X 5" X 7"
- Package weight
- 0.5 lb
- Specifications
- Amperage = 40a
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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Fit & compatibility
Fit & compatibility
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