![Samlex ACR-300 Automatic Charge Separator 300 AMP [ACR-300]](https://cdn11.bigcommerce.com/s-fzexhren17/images/stencil/1280x1280/products/25272/33621/111350XL__59949.1772140077.jpg?c=1 "Samlex ACR-300 Automatic Charge Separator 300 AMP [ACR-300]")
![Samlex ACR-300 Automatic Charge Separator 300 AMP [ACR-300]](https://cdn11.bigcommerce.com/s-fzexhren17/images/stencil/1280x1280/products/25272/33622/111350BXL__07026.1772140077.jpg?c=1 "Samlex ACR-300 Automatic Charge Separator 300 AMP [ACR-300]")
![Samlex ACR-300 Automatic Charge Separator 300 AMP [ACR-300]](https://cdn11.bigcommerce.com/s-fzexhren17/images/stencil/100x100/products/25272/33621/111350XL__59949.1772140077.jpg?c=1 "Samlex ACR-300 Automatic Charge Separator 300 AMP [ACR-300]")
![Samlex ACR-300 Automatic Charge Separator 300 AMP [ACR-300]](https://cdn11.bigcommerce.com/s-fzexhren17/images/stencil/100x100/products/25272/33622/111350BXL__07026.1772140077.jpg?c=1 "Samlex ACR-300 Automatic Charge Separator 300 AMP [ACR-300]")
Product Description
ACR-300 Automatic Charge Separator 300 AMP
The ACR-300 combines battery banks for charging and isolates them when charging has stopped. It provides priority for charging only the starter battery first and protects from excessive discharging of the starter battery. The Automatic Charge Separator is also referred to as a battery separator, battery isolator, or an automatic charging relay.
Features:
- Microprocessor-controlled, dual-sensing
- Starter battery priority
- Easy to install – does not require changing the existing circuit or the alternator
- Potted, waterproof, sealed unit
- Low standby current
- Automatic detection of 12 or 24 VDC systems
- 300 Amp continuous rated
- Over-voltage protection
- Built-in status LED
Specifications:
- Input: 12/24 VDC
- Output: 12/24 VDC
- Amps: 300
- Dimensions: 170 x 82 x 65 (mm)
- Dimensions: 6.69 x 3.23 x 2.56 (in)
- Weight: 1.97 (lbs)
- Weight: 0.895 (kg)
- 2 Year Limited Warranty
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.
Product Videos
Custom Field
MPN ACR-300
![Samlex ACR-300 Automatic Charge Separator 300 AMP [ACR-300]](https://cdn11.bigcommerce.com/s-fzexhren17/images/stencil/500x659/products/25272/33621/111350XL__59949.1772140077.jpg?c=1 "Samlex ACR-300 Automatic Charge Separator 300 AMP [ACR-300]")
![Samlex 160A Automatic Charge Isolator - 12V or 24V [ACR-160]](https://cdn11.bigcommerce.com/s-fzexhren17/images/stencil/500x659/products/7617/9131/67244XL__73280.1758856093.jpg?c=1 "Samlex 160A Automatic Charge Isolator - 12V or 24V [ACR-160]")
![Blue Sea 7601 DC Mini ACR Automatic Charging Relay - 65 Amp [7601]](https://cdn11.bigcommerce.com/s-fzexhren17/images/stencil/500x659/products/3258/4111/47525XL__63673.1758845027.jpg?c=1 "Blue Sea 7601 DC Mini ACR Automatic Charging Relay - 65 Amp [7601]")
![Blue Sea 7601 DC Mini ACR Automatic Charging Relay - 65 Amp [7601]](https://cdn11.bigcommerce.com/s-fzexhren17/images/stencil/500x659/products/3258/4112/47525BXL__88009.1758845028.jpg?c=1 "Blue Sea 7601 DC Mini ACR Automatic Charging Relay - 65 Amp [7601]")
![Samlex 300A Fuse Assembly [DC-FA-300]](https://cdn11.bigcommerce.com/s-fzexhren17/images/stencil/500x659/products/7609/9122/67223XL__29098.1758856072.jpg?c=1 "Samlex 300A Fuse Assembly [DC-FA-300]")
![Samlex 300A Replacement Terminal Fuse [MRBF-300]](https://cdn11.bigcommerce.com/s-fzexhren17/images/stencil/500x659/products/7612/9125/67226XL__32512.1758856079.jpg?c=1 "Samlex 300A Replacement Terminal Fuse [MRBF-300]")
![Egis Programmable Automatic Charging Relay (ACR) 160A, 12V [7610]](https://cdn11.bigcommerce.com/s-fzexhren17/images/stencil/500x659/products/20051/26170/103458XL__10332.1758889185.jpg?c=1 "Egis Programmable Automatic Charging Relay (ACR) 160A, 12V [7610]")