The Blue Sea Systems 7042 187-Series Circuit Breaker provides reliable, waterproof over-current protection for marine electrical systems. This Type III switchable, manual-reset breaker is designed with a trip-free mechanism that prevents the device from being held in the ON position during a fault condition, ensuring safety aboard gasoline-powered vessels.
Key Features:
- Ignition-protected and waterproof construction
- Combines switching and circuit protection in one device
- Large, visible lever for clear trip status indication
- Robust 5/16"-18 (M8) terminal studs for heavy-gauge wiring
- Recessed mounting holes for a streamlined installation
Specifications:
- Amperage: 80A
- Maximum Voltage: 48V DC
- Interrupt Capacity: 5000A at 14V DC, 3000A at 28V DC, 1500A at 48V DC
- Temperature Range: -40°C to 85°C
- Terminal Stud Torque: 75 in-lb (8.47 Nm)
- Mounting: Compatible with #10 (M5) screws
- Case Material: Thermoset polyester
- Weight: 0.5 lbs
Note: Do not use as a switch where high inrush currents are expected. Regulatory note: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm (Proposition 65).
Product facts
- CT SKU
- CT-100424
- Model / MPN
- 7042
- UPC / GTIN
- 632085170424
- Package dimensions
- 2" X 5" X 8"
- Package weight
- 0.5 lb
- Specifications
- Amperage = 80a
Fit-sensitive item: confirm measurements, model numbers, and manufacturer details before ordering. Tug & Tow does not guarantee universal compatibility from a product page alone.
Shipping & returns
Shipping & returns
Shipping methods, delivery estimates, and final costs appear at checkout before payment. Some bulky, supplier-shipped, or special-handling items may ship separately. See Shipping & Returns for return windows and eligibility.
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.
Need help choosing?
Need help choosing?
Send us the product link or SKU, plus details about your boat, RV, trailer, vehicle, or project. We will help you narrow down the right option when product fit is not obvious.
