3B&S (26mm²) Black Single Core Automotive Cable per Metre

3B&S (26mm²) Black Single Core Automotive Cable per Metre

Heavy-Duty Power Cable for High-Current 12V, 24V and 48V DC Systems

The 3 B&S Black Single Core Automotive Cable is engineered for demanding automotive, marine, caravan, RV, off-grid, industrial, and battery storage applications where reliable high-current power transfer is essential. Manufactured using high-conductivity oxygen-free annealed copper, this premium automotive cable delivers excellent electrical performance with reduced voltage drop, making it ideal for critical DC power circuits.

Designed for use in 12V, 24V, and 48V systems, this heavy-duty black automotive cable features a highly flexible multi-strand copper conductor that simplifies installation through confined spaces while maintaining exceptional durability. The robust PVC insulation is engineered to withstand harsh Australian conditions, offering resistance to abrasion, oil, fuel, and everyday environmental exposure commonly encountered in automotive and off-grid installations.

Built for High-Demand Electrical Applications

Whether you're wiring a dual battery system, connecting a high-capacity inverter, upgrading a DC-DC charger installation, or building a complete off-grid power setup, this 3 B&S automotive cable provides the current-carrying capability required for modern electrical systems. Its larger conductor size helps minimise voltage loss across longer cable runs, improving charging efficiency and ensuring connected equipment performs at its best.

• Premium oxygen-free annealed copper conductor
• Heavy-duty black PVC insulation for circuit identification
• Excellent flexibility for easier cable routing
• Suitable for 12V, 24V and 48V DC electrical systems
• Resistant to oil, fuel, abrasion, and harsh operating environments
• Ideal for high-current power distribution and battery connections

Reduce Voltage Drop and Improve System Efficiency

In high-current DC applications, cable quality and conductor size play a critical role in overall system performance. Using an appropriately sized cable such as this 3 B&S single core cable helps reduce voltage drop in long-distance battery connections, inverter supply cables, solar power installations, and auxiliary battery circuits. This allows chargers, batteries, inverters, compressors, and other equipment to operate more efficiently while reducing unnecessary heat build-up.

Unlike lower-quality alternatives that may compromise conductivity or durability, this automotive-grade copper cable is designed to provide consistent performance and long-term reliability across demanding applications including 4WD electrical systems, camper trailer upgrades, marine electrical wiring, battery banks, and renewable energy installations.

Common Applications

• Dual battery systems and battery management systems
• Inverter and DC-DC charger power connections
• Solar regulator and battery bank wiring
• High-current alternator charging circuits
• Winch, compressor, and auxiliary power installations
• Marine, caravan, motorhome, and RV electrical systems
• Off-grid solar and battery storage projects
• Industrial low-voltage DC power distribution

Installation Recommendations

For optimal performance, select cable lengths and conductor sizes based on your system's current requirements and acceptable voltage drop limits. Use quality lugs, terminals, and professional crimping tools to ensure secure connections. Where cables pass through panels or exposed areas, protective conduit and appropriate cable supports are recommended to maximise service life and safety.

Power Your Electrical System with Confidence

Choose 3 B&S Black Single Core Automotive Cable per metre for dependable high-current performance, superior flexibility, and long-term durability. Perfect for caravan, RV, marine, off-grid, industrial, 4WD, and battery storage applications, this premium cable helps deliver efficient power where it matters most. Order online today and upgrade your electrical system with professional-grade automotive cable you can trust.