Brand: Blue Sea Systems
Blue Sea Systems 7138 187-Series 40A Surface-Mount Thermal Circuit Breaker
Blue Sea Systems 7138 187-Series 40A Surface-Mount Thermal Circuit Breaker
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About this product
The Blue Sea Systems 7138 is a 40A surface-mount thermal circuit breaker that combines switching and circuit protection, with a manual-reset, trip-free design.
- Type III, switchable, manual reset, trip-free circuit breaker
- 48V DC maximum voltage rating
- Interrupt rating: 5,000A at 12V DC, 3,000A at 24V DC, and 1,500A at 42V DC
- Thermally responsive bi-metal blade; thermoset polyester case
- Waterproof, with recessed mounting holes and 5/16 in. terminals
- Lever indicates trip status in vertical or horizontal orientation
- Ignition protected; vendor states components meet SAE J1171 external ignition protection requirements and identifies it as suitable for installation aboard gasoline-powered boats
- Operating temperature range: -25 deg C to +82 deg C
- California Proposition 65 warning: may expose users to di(2-ethylhexyl)phthalate (DEHP), which is identified by California as causing cancer and birth defects or other reproductive harm
- Secure checkout
- 21-day return requests
- Free standard shipping $100+
Product facts
- CT SKU
- CT-100441
- Model / MPN
- 7138
- UPC / GTIN
- 632085171384
- Package dimensions (H × W × L)
- 2" X 5" X 8"
- Package weight
- 0.56 lb
- Country of origin
- MEXICO
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.
Shipping & returns
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
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.
