Blue Sea 8689 m-Series Dual Circuit Plus 2 of PN 6011 [8689]

MPN / Part #: HTS-20945 Brand: Blue Sea Systems In Stock – Ready to Dispatch
$605.99
📍 Ships From: Tampa, FL or Bayville, NJ
⏱️ Est. Delivery: 1 - 3 Business Days (USPS Economy Ground)
What's in the Box? (Package Includes)
Factory Sealed
  • 1x Blue Sea 8689 m-Series Dual Circuit Plus 2 of PN 6011 — Original Factory Package
  • All standard accessories and hardware as packed by the manufacturer
  • Manufacturer's documentation, warranty card, and instruction manual

For exact package contents, see the manufacturer's product page

m-Series Dual Circuit Plus 2 of PN 6011


(1) 100A C-Series Flat Rocker Circuit Breaker
(3) 15A Push Button Thermal Circuit Breakers

  • Designed for twin engine configurations
  • Provides 24 hour circuit protection
  • Provides main DC circuit protection in addition to high ampere load protection
  • Protects electronics from sags and spikes caused by engine cranking
  • Allows emergency cross connect between isolated battery banks
  • Isolates the Engine circuit from the House circuit
  • Simplifies battery switch operation
  • Allows independent battery discharge
  • Addition of an Automatic Charging Relay automates charging both batteries
  • Includes 4218 - Square Format Labels and 4140 - 24 Hour Round Labels

WarningWARNING: 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 P65Warnings.ca.gov.


Quick Guide (pdf)
Owner's Manual (pdf)
Brand / Manufacturer Blue Sea Systems
Category / Product Type Battery Management
MPN / Manufacturer Part # HTS-20945
Item Condition 100% Brand New / Factory Sealed
Warranty Status Full Original Manufacturer Warranty Backed
Fulfillment Hub Dispatched from Regional Marine Distribution Hubs
  • Free Ground Shipping: Free shipping on all orders within the continental United States.
  • Same-Day Dispatch: Orders placed before 4 PM EST ship same business day from our regional marine logistics hubs.
  • 100% Authorized Dealer: All electronics and equipment are factory sealed with full manufacturer warranty support.
  • Return Policy: Unopened 30-day returns. Email info@hightide.supply to request an RMA number. Customer pays return shipping. Trolling motors, lithium batteries, and heavy freight items are final sale.
Frequently Asked Questions

Q: Is this Blue Sea Systems Battery Management covered by a warranty?

A: Yes. High Tide Supply is an authorized dealer of Blue Sea Systems. All products are 100% brand new, authentic, and carry full manufacturer warranty.

Q: How fast does shipping take for the Blue Sea 8689 m-Series Dual Circuit Plus 2 of PN 6011 [8689]?

A: Standard ground shipping is free on all orders. Orders are processed from regional fulfillment hubs in 0–1 business days, with delivery taking 1–5 business days.

Q: What is the return policy for Blue Sea 8689 m-Series Dual Circuit Plus 2 of PN 6011 [8689]?

A: Brand new, unopened items in original factory packaging can be returned within 30 days. Customers must email info@hightide.supply for an RMA number. Return shipping is customer responsibility. Trolling motors, lithium batteries, and heavy freight items are final sale.

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