Description

The Solid-State Battery Disconnect Switch (also known as Battery Isolator or Kill Switch) is engineered for motorsport applications where performance, safety, and reliability are paramount. Designed to handle high-current loads and ensure safe, rapid disconnection in critical moments, this device is perfect for race cars, drift builds, and high-performance vehicles. Whether you’re an amateur racer, professional drifter, or a track day enthusiast, this lightweight, compact device provides a superior electrical cutoff solution for your car. This solid-state design eliminates mechanical wear and tear, ensuring consistent operation even under extreme conditions. Extensive testing has proven that our disconnect performs flawlessly, making it an essential addition to any high-performance build.

Key Features:

• 800A Continuous Current Rating: Handles the high power demands of motorsport applications.
• 4000A Peak Current Rating: Engineered to manage extreme power bursts with reliability.
• Solid-State Design: Eliminates mechanical failures, providing faster, more reliable disconnection.
• Weight-Optimized: Designed with weight reduction in mind, ideal for performance builds where every gram counts.
• Multiple Configurations: Can be integrated into various vehicle setups, allowing for flexibility in use.
• Compact and Lightweight: Easy to install without adding unnecessary bulk to your car’s electrical system.
• Integrated alternator rundown and load dump protection
• FIA Compliance: Designed to meet motorsport safety standards.

Why Choose the Light Racing Battery Disconnect Switch?

• Motorsport Proven: Tested in real-world high-current situations, ensuring reliable performance on the track.
• Safety First: Quickly cuts power in case of an emergency, protecting your vehicle and its occupants.
• Weight Reduction: Designed for weight savings while maintaining high-performance power disconnection. Saves up to 3kg compared to conventional kill switches
• Precision Engineering: Built for seamless integration with your car’s electrical system, featuring easy-to-install connections.
• Simplicity: The BDS is built to be easy and intuitive to install and use.

Technical Specifications:

• Voltage Rating: 7V – 16V
• Continuous Current: 800A at 25°C, 700A at 80°C
• Peak Current: 4000A (for <10µs)
• ESD Protection: Built-in electrostatic discharge protection (including alternator load dump protection)
• Overvoltage Protection: Triggers at 15.5V and clamps voltage protecting the rest of the car
• Undervoltage Protection: Triggers at 7.1V, recovers at 7.7V
• Connection Points:
  • Battery Input (BATTERY_IN)
  • Battery Output (BATTERY_OUT)
  • Control: 4-Pin Deutsch DTM connector
• Environmental Tolerance:
  • -40°C to 125°C operating temperature (CNC Version)
  • -40°C to 80°C operating temperature (3D Printed Version)
• Size & Weight: Compact design 5x6x2 cm, weighing 70g

Please check the User Manual for detailed specifications and usage scenarios.

Files:

Battery Disconnect 3D model.stl

Installation:

The Light Racing Battery Disconnect Switch is designed for easy installation into any performance or race vehicle. It features a straightforward wiring setup and includes a detailed manual for DIY installation. For those looking for guidance, we provide a step-by-step tutorial.