Skip to product information
1 of 1

Brand: Blue Sea Systems

Blue Sea Systems 187-Series 90A Thermal Circuit Breaker, Panel Mount

Blue Sea Systems 187-Series 90A Thermal Circuit Breaker, Panel Mount

Regular price $99.07
Regular price Sale price $99.07
Sale Sold out
Shipping calculated at checkout.

2 available

About this product

The Blue Sea Systems 187-Series Thermal Circuit Breaker combines switching and circuit protection in a single, waterproof device. Rated for 90 Amps, this Type III manual reset breaker features a trip-free design that prevents the switch from being held on during a fault condition. It is ignition protected, making it suitable for installation aboard gasoline-powered boats.

  • Ignition Protected: Meets SAE J1171 requirements for safety in gasoline-powered environments.
  • Design: Thermally responsive bi-metal blade with clear, single-lever operation.
  • Voltage Rating: 48V DC maximum.
  • Interrupt Rating: 5,000A at 12V DC, 3,000A at 24V DC, and 1,500A at 42V DC.
  • Installation: Recessed mounting holes and self-trimming case for a clean, flush appearance.
  • Terminal Specs: Robust 5/16" terminal studs accommodate heavy-gauge wire lugs.
  • Temperature Range: -25°C to +82°C.
  • Manufacturer Part Number: 7043.
  • Regulatory Note: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer, birth defects, or other reproductive harm.
Quantity
  • Secure checkout
  • 21-day return requests
  • Free standard shipping $100+

Product facts

CT SKU
CT-100425
Model / MPN
7043
UPC / GTIN
632085070434
Package dimensions (H × W × L)
3" X 5" X 8"
Package weight
0.47 lb
Country of origin
MEXICO

Specifications

Amperage
90a
California Proposition 65 warning
<p><img src="https://productimageserver.com/prop65/6pt.png" alt="Warning" /><strong>WARNING:</strong> This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to <a href="http://P65Warnings.ca.gov">P65Warnings.ca.gov</a>.</p>

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

Request an eligible return within 21 calendar days after delivery. Every physical return requires written approval and an RMA number and must be shipped within five business days after the RMA is issued. The customer pays return shipping for an ordinary return. Tug & Tow provides prepaid return shipping for a verified damaged, defective, short, or incorrect shipment. We do not charge a restocking fee. See Shipping & Returns for eligibility, exclusions, and details.

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?

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.