Automotive DC Circuit Breaker – 12/24/48V (40A to 300A)

Reliable DC Circuit Protection for Vehicles

This automotive DC circuit breaker is designed to protect electrical circuits in vehicles and mobile power systems operating at 12V, 24V, or 48V DC. It provides reliable protection against overcurrent and overload conditions, helping prevent damage to wiring, sensors, control modules, and connected equipment.

Ideal for campervans, motorhomes, off-road vehicles, boats, and battery-based DC systems.

Wide Current Range for Flexible Applications

Available in ratings from 40A up to 300A, this circuit breaker can be used in:

• Main battery lines

• Inverter supply circuits

• DC distribution systems

• Charging systems (DC-DC, alternator, solar)

Suitable for both low and high-current DC applications.

Compact & Robust Design

• Compact dimensions: 78 × 52 × 37 mm

• Designed for installation in electrical panels or near batteries

• Durable housing suitable for automotive environments

Its compact size allows installation even in tight spaces.

Secure M6 Screw Connections

• M6 stud terminals with nuts included

• Ensures strong, low-resistance electrical connections

• Compatible with standard cable lugs and eyelet terminals

Provides reliable performance even in vibration-prone environments.

Resettable Protection

Unlike traditional fuses, this circuit breaker:

• Can be manually reset after tripping

• Simplifies troubleshooting

• Eliminates the need for fuse replacement

Improves serviceability and long-term reliability.

Ideal Applications

• Campervan and motorhome electrical systems

• Automotive and off-road vehicles

• Battery banks and power distribution

• Inverters and DC loads

• Marine and mobile power systems

Technical Specifications