Secure your electrical installation with this quarter-turn negative terminal circuit breaker, equipped with an integrated digital LCD display for reading your battery voltage in real time.

Suitable for cars, motorbikes, boats, motorhomes, agricultural machinery and industrial installations operating from 12 to 48 volts (up to 60V DC).

Reliable, powerful and extremely easy to install, it instantly cuts off all power by simply turning the knob.

This 12-48V Discount Autosport circuit breaker attaches directly to the negative terminal of your battery.
Thanks to its quarter-turn system, you can interrupt or restore power in a second, without tools.
The built-in LED display shows the exact voltage of your battery, so you can identify an electrical problem or loss of charge instantly.

The switch supports 250A continuous, up to 1000A peak, making it compatible with the majority of thermal and electric vehicles, as well as high consumption installations.

Perfect for:
👉 Drift, rally, trackdays
👉 Boats and water sports
👉 Motorhomes and 4x4s
👉 Agricultural and industrial machinery
👉 Garage/workshop security

Designed in solid copper for conductivity, and reinforced ABS for durability, it ensures a reliable, clean and long-lasting installation.

⚙️ Technical specifications :

• Type: quarter-turn negative terminal circuit breaker
• Function: ON / OFF
• Display: Digital LCD – instantaneous voltage
• Continuous current: 250A
• Max. instantaneous current (cranking): 1000A
• Circuit : 2 channels
• Compatible voltage: 12V – 48V (works with 6V to 60V DC)
• Installation: on negative terminal
• Terminal material: copper
• Housing material: reinforced ABS
• Sealing: dust protection / workshop environment
• Usage: automotive, motorbike, marine, industrial, agricultural
• Sold complete with

• • 1 circuit breaker

  • 1 negative battery clamp

  • 1 copper tapered terminal

⚡ Applications:

• Quick electrical circuit breaker

• Battery discharge protection

• Safety for sports vehicles

• Compulsory disconnection in long storage

• Short circuit / fire prevention

Product benefits :

✅ Integrated LCD display – voltage in real time
✅ Quarter-turn disconnection: simple, fast, reliable
✅ 250A continuous + 1000A peak
✅ 12-48V compatible (up to 60V)
✅ Installation without modification
✅ Premium materials: copper + ABS
✅ Protects battery and electrical installation
✅ Ideal for cars, motorbikes, boats and industry