Akozon

Akozon 300A Battery Isolator Rotary Switch — 3‑Position 3‑Stud, OFF‑1‑2 for Marine RV Car, Copper Conductors & IP66

High-performance automotive accessories made for confident daily results

$35.53

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Why customers choose NorthTrail Auto

Akozon's 300A 3‑position battery isolator is a heavy‑duty rotary switch that safely selects, isolates, and combines two battery banks for boats, RVs, cars and off‑grid systems.

Install a dependable battery selector that minimizes parasitic drain, lets you choose between two batteries or parallel them, and protects your electrical system during storage or maintenance. This compact unit combines robust internal copper conductors with an ABS housing and a three‑stud layout to deliver reliable high‑current switching for marine, automotive and recreational vehicle applications.

How does this switch keep my batteries from draining when parked?

The Akozon battery isolator physically disconnects battery circuits so no accessory or wiring can draw current when the switch is set to OFF. Its durable contacts and 'make‑before‑break' wiring logic allow safe selection between battery banks with minimal arcing.

  • Full OFF position removes all loads and prevents parasitic drain.
  • Copper‑plated silver core ensures low resistance and less heat under load.
  • IP66 rating helps protect internal contacts from moisture and dust.
  • Three‑stud layout supports two batteries plus a common output or load.

Can I use this for both marine and RV electrical systems?

Yes — the 300A capacity and corrosion‑resistant materials make the switch suitable for boats, campers, trucks, ATVs and many battery bank setups. It supports typical 12V systems and can be fitted for alternative installations depending on wiring configuration.

  • Rated 300 amps for heavy alternator and inverter loads.
  • ABS enclosure and copper internals resist coastal and roadside corrosion.
  • Mounts front, rear or surface for flexible panel placement.
  • Clear OFF‑1‑2 markings simplify operation in dim or rough conditions.

What does the 3‑position, 3‑stud layout actually do?

The three studs are configured to accept two battery inputs and a single output, offering positions to select battery A, battery B, or combine them. The design supports 'connect first then break' switching so you can move between sources without interrupting the load.

  • Position 1 connects battery A to the load only.
  • Position 2 connects battery B to the load only.
  • Combined position links both batteries for extra cranking or emergency power.
  • OFF position isolates all batteries from the load for storage or service.

How easy is it to install and maintain the switch?

Installation is straightforward: mount the case, tighten the studs to recommended torque, and route battery cables to the labeled terminals. The rotary knob is simple to operate, and the durable construction reduces ongoing maintenance needs.

  • Surface, front‑panel or rear‑panel mounting to fit most dashboards.
  • Labeled OFF‑1‑2 knob for foolproof hookup and operation.
  • Use appropriate ring terminals and torque values for safe connections.
  • Minimal upkeep — inspect terminals periodically for tightness and corrosion.

Who is this for: This Akozon 300A battery isolator suits boat owners, RV travelers, fleet operators, off‑grid hobbyists and anyone needing a rugged, high‑current selector switch. Choose it if you want reliable battery isolation, flexible source selection, and a compact unit that withstands marine and road environments without complex electronics.

FAQ

Q: What batteries and systems is the Akozon 300A isolator compatible with?

A: It works with 12V battery banks commonly found in cars, boats, RVs, ATVs and small off‑grid systems; ensure wiring and fuse sizes match the 300A rating.

Q: Can I combine both batteries for higher starting power?

A: Yes — one selector position parallels both batteries for increased cranking current, but use caution to avoid overloading alternators or inverters.