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Flex 12V Automatic Changeover Switch

Flex 12V Automatic Changeover Switch

Regular price R 849.00
Regular price Sale price R 849.00
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Check the product description below for full vehicle compatibility. Not sure if this fits your vehicle? Ask our team β†’

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SKU:FACO10A

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12V Automatic Changeover Switch | Heavy-Duty Composite

Ensure uninterrupted cooling for your 12V fridge by seamlessly switching between battery and mains power.


The 12V Automatic Changeover Switch is purpose-built for 12V camping fridges, dual battery systems, caravans, camper conversions, and off-grid vehicle setups, delivering seamless AC priority switching, automatic battery backup protection, and continuous cooling performance. Designed for easy inline integration, this compact unit offers a simple plug-and-play installation with existing 12V fridge wiring, requiring no permanent vehicle modifications.


πŸ”© Key Features

  • Automatic AC Priority Switching β€” Detects mains power and automatically switches to AC power supply when available.
  • Battery Backup Mode β€” Automatically reverts to 12V DC battery when AC power is disconnected.
  • Battery Protection β€” Prevents unnecessary battery drain while plugged into mains power.
  • 10 Amp Internal Fuse β€” Built-in fuse protection for safe and reliable operation.
  • Plug & Play Installation β€” Simple inline installation with existing 12V fridge wiring.
  • Compact Design β€” Easy to mount inside vehicle, caravan or power system compartment.
  • System Compatibility β€” Designed strictly for 12V setups and is not compatible with 24V systems.
  • Flex 12V Automatic Changeover Unit β€” Included in the box as the main switching controller.
  • Pre-wired Input & Output Leads β€” Included in the box for straightforward wiring connection.
  • Integrated 10A Fuse β€” Pre-installed in the unit for immediate circuit protection.
  • AC Connection Warning β€” Do not directly connect 220V AC to the changeover switch.

πŸ“ Specifications

  • Brand: Flex Adventures
  • SKU: FACO10A
  • Material: Heavy-Duty Composite
  • Approximate Weight: ~0.6kg
  • Origin: Supplied via Flex Adventures
  • AC Input: 220/240V AC (mains power)
  • DC Input: 12V DC (auxiliary battery)
  • Output: Regulated 12V Output (AC priority over DC)
  • Fuse Rating: 10 Amp (Internal Replaceable Fuse)
  • Dimensions: 950mm (L) Γ— 550mm (W) Γ— 300mm (H)
  • Operation: Fully Automatic – No Manual Switching Required

πŸ”§ Fitment & Installation

The Flex 12V Automatic Changeover Switch features a plug-and-play inline design that integrates directly with your existing 12V fridge wiring. It can be easily mounted inside your vehicle, caravan, or power system compartment. Please ensure that you do not directly connect 220V AC to the changeover switch. For assistance with your dual battery or off-grid power setup, contact our technical team.

πŸ“ž 021 569 7238 | πŸ“§ sales@advanced4x4.co.za


⏳ Lead Time: Please allow 14 business days for stock sourcing / manufacturing if stock is not immediately available.
Advanced 4x4 Fitment Centre DIRECT DISPATCH

πŸ“¦ Logistics Note: Direct Courier Dispatch available nationwide. No specialized installation required.

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