Brand: Blue Sea Systems
Blue Sea Systems 187-Series 90A Surface Mount Thermal Circuit Breaker (7143)
Blue Sea Systems 187-Series 90A Surface Mount Thermal Circuit Breaker (7143)
2 available
The Blue Sea Systems 187-Series Thermal Circuit Breaker is a 90-amp surface-mount device that combines circuit protection with manual switching. Engineered for marine environments, it is ignition-protected to SAE J1171 standards, making it safe for installation on gasoline-powered boats.
- Features a trip-free design that prevents the breaker from being held in the ON position during a fault.
- Waterproof construction for durability.
- Single-lever operation with clear indication of trip status.
- Equipped with 5/16" terminal studs for high-torque connections, designed with clearance to accept heavy-gauge wire lugs.
- Circuit Breaker Class: Type III (Switchable/Manual Reset).
- Thermal bi-metal blade mechanism.
- Voltage Rating: 48V DC maximum.
- Interrupt Rating: 5,000A at 12V DC, 3,000A at 24V DC, and 1,500A at 42V DC.
- Operating Temperature: -25°C to +82°C.
- Case Material: Thermoset polyester.
- Model Number: 7143.
- Regulatory Note: This product contains chemicals, including di(2-ethylhexyl)phthalate (DEHP), known to the State of California to cause cancer, birth defects, or other reproductive harm.
Product facts
- CT SKU
- CT-100446
- Model / MPN
- 7143
- UPC / GTIN
- 632085071431
- Package dimensions
- 3" X 5" X 7"
- Package weight
- 0.56 lb
- Specifications
- Amperage = 90a
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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