Brand: Blue Sea Systems
Blue Sea Systems 8686 m-Series Dual Circuit Plus Battery Management Switch
Blue Sea Systems 8686 m-Series Dual Circuit Plus Battery Management Switch
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About this product
The Blue Sea Systems 8686 m-Series Dual Circuit Plus is a battery management switch designed for twin engine configurations to simplify operation and enhance system reliability. It provides essential protection for your DC circuits while isolating the engine circuit from the house circuit to prevent electronics from experiencing sags and spikes during engine cranking.
- Designed for use in twin engine vessels.
- Provides 24-hour circuit protection, including main DC and high-ampere load protection.
- Features one 100A C-Series flat rocker circuit breaker and two 15A push-button thermal circuit breakers.
- Enables emergency cross-connect between isolated battery banks.
- Allows for independent battery discharge.
- Compatible with the addition of an Automatic Charging Relay to automate battery charging.
- Includes 4218 square format labels and 4140 24-hour round labels.
- 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. For more information, visit P65Warnings.ca.gov.
Manuals & videos
- Secure checkout
- 21-day return requests
- Free standard shipping $100+
Product facts
- CT SKU
- CT-100622
- Model / MPN
- 8686
- UPC / GTIN
- 632085086862
- Package dimensions (H × W × L)
- 5" X 7" X 12"
- Package weight
- 1.89 lb
- Country of origin
- UNITED STATES
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.
