PROJECTA 12V 100A Voltage Sensitive Relay VSR100

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$137.00 $116.00

Or 4 payments of $29.00 with AFTERPAY

Product Details

Projecta VRS100 is the perfect ‘no-fuss’ power management controller suitable for a wide range of 12V DC applications, eg. dual batteries, winching, sending power to your camper trailer, etc.


  • L.E.D Indicator illuminates when VSR is activated
  • IP66 Sealed Electronics prevents dust and water ingress 
  • Built-in protection guards vehicle against voltage spikes
  • Manual Override Bypasses automatic settings allowing the relay to engage below-set voltages
  • Silver tip contracts provide exceptional current transfer


  • Voltage - 12V
  • Charging Current - 100A Continuous, 200A Peak 
  • Cut-In Voltage - 13.4V 
  • Cut-Out 
  • Voltage - 12.8V 
  • Cut-Out Delay - 8 seconds
  • Minimum Operating Voltage - 10V 
  • Charge Type - Parallel
  • Control - MCU 
  • Mounting - Surface/firewall Surface/firewall
  • Current Draw - Charging 550mA (standby 10mA) 
  • Surge Protection - Built-in
  • IP Rating - IP66 
  • Override - Requires min 10V 
  • Recommended Fuse - 150A 
  • Minimum Cable Size - 14mm2 (6 B&S) 
  • Approvals - EMC 

For over 50 years Projecta has been supplying not just a range of market-leading battery chargers but a comprehensive array of battery accessories, power inverters, and jump starters to ensure your vehicle is ready to go when you are. Their continued research and development see their products become more feature-packed and capable of handling your power requirements. Shop the great range of Projecta products stocked by 4WD247 and never be at the mercy of a flat battery again.

Part Number: VSR100

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About the Brand Products

For over 30 years, Projecta has provided a wide range of market-leading battery chargers and a wide range of battery accessories, power inverters, and jumpstarts to guarantee your 4WD is ready to go when you are. As a result of their ongoing research and development, their products grow more feature-rich and capable of handling your power requirements. Projecta are a leader in in power management and battery maintenance products an extensive range of products to suit all of your 4WD power management needs across a wide range of applications.

The Projecta name stands for quality with all products being tortured tested in their stat of the art facilities to make sure you are getting quality power management solutions. The team at Projecta continually strive to improve products to guarantee performance and reliability looking globally for new technology and products to add to its existing range. The Projecta team also engineer and design new products from the ground up to deliver class-leading battery maintenance and battery powered products.

The Projecta range covers:

● Dual Battery Systems

● Inverters

● Power Management

● Solar Panels & Controllers

● Personal Power Products

● Battery Maintenance

● Battery Chargers

● Jump Starters

● Booster Cables

● Battery Terminals & Accessories

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