100m Roll of 3B&S (26mm²) Black Single Core Automotive Cable
SKU: 21808418616

100m Roll of 3B&S (26mm²) Black Single Core Automotive Cable

Sale price$499.09 Regular price$554.54
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Description

100m Roll of 3B&S (26mm²) Black Single Core Automotive Cable100m Roll of KEY 3B&S (26mm) Black Single Core Automotive Cable Heavy Duty 3B&S Automotive Cable for Reliable High Current Power Distribution When dependable power transfer is critical, the 100m Roll of KEY 3B&S (26mm) Black Single Core Automotive Cable delivers the performance professional installers demand. Manufactured using Oxygen Free High Conductivity (OFHC) copper, this premium automotive cable provides exceptional conductivity, reduced voltage

100m Roll of KEY 3B&S (26mm²) Black Single Core Automotive Cable

Heavy-Duty 3B&S Automotive Cable for Reliable High-Current Power Distribution

When dependable power transfer is critical, the 100m Roll of KEY 3B&S (26mm²) Black Single Core Automotive Cable delivers the performance professional installers demand. Manufactured using Oxygen Free High Conductivity (OFHC) copper, this premium automotive cable provides exceptional conductivity, reduced voltage drop, and long-term durability in demanding automotive, marine, industrial, and off-grid environments. Designed to support high-current applications across 12V, 24V, and 48V electrical systems, it offers the ideal balance of flexibility, strength, and electrical efficiency.

About KEY Tubing & Electrical

KEY Tubing & Electrical (KTE) is an Australian-owned manufacturer with over 60 years of industry experience supplying electrical, cable, tubing, and custom-engineered solutions to industries across Australia and around the world. Based in South Australia, KEY is known for its commitment to quality manufacturing, rigorous quality standards, and reliable products designed for demanding automotive, electrical, industrial, and resource sector applications. KEY continues to support Australian industry with a strong focus on performance, durability, and dependable engineering.

Superior Conductivity with OFHC Copper Construction

Unlike conventional automotive cables, this 26mm² single core automotive cable utilises high-purity OFHC copper to maximise current flow and minimise resistance. The reduced impurity content helps lower heat generation under load, improving overall system efficiency and reducing energy losses. Whether powering a dual battery setup, feeding a DC-DC charger, or supplying current to a high-capacity inverter, this cable helps maintain stable voltage delivery throughout the system.

OFHC copper also offers enhanced resistance to hydrogen embrittlement and mechanical fatigue. This makes it particularly suitable for installations exposed to constant vibration, temperature fluctuations, and harsh environmental conditions commonly encountered in 4WDs, caravans, commercial vehicles, marine vessels, and industrial equipment.

Designed for High-Current 12V, 24V & 48V Systems

The substantial 26mm² conductor size, commonly referred to as 3B&S automotive cable, is ideal for applications requiring dependable high-current performance over longer cable runs. Rated for a maximum DC voltage of 120V, it is perfectly suited for modern vehicle electrical systems, lithium battery installations, inverter circuits, auxiliary battery banks, and renewable energy systems. The cable's low-resistance construction helps minimise voltage drop, making it an excellent choice for demanding power distribution applications.

Common Applications Include:

  • Dual battery systems in 4WDs, caravans and camper trailers
  • Battery interconnects and auxiliary battery wiring
  • DC-DC charger installations and lithium battery systems
  • High-current inverter and solar power systems
  • Marine electrical systems and battery banks
  • Commercial vehicle, fleet and industrial power distribution

Built to Australian Standards for Long-Term Reliability

Manufactured to comply with AS/NZS 1125 conductor requirements and AS/NZS 3808:2000 insulation standards, this cable delivers dependable performance in demanding environments. The durable V90 insulation provides excellent resistance to heat, abrasion, oils, fuels, and common automotive chemicals while maintaining flexibility for easier installation through chassis rails, conduits, and tight engine bay spaces.

The black outer sheath allows clear identification for negative earth and grounding circuits while maintaining a professional appearance in automotive, marine, and industrial installations. Supplied in a convenient 100-metre roll, it is an economical solution for workshops, auto electricians, fleet maintenance operators, and large-scale wiring projects.

Key Features & Specifications

  • Conductor Size: 26mm² (3B&S automotive cable)
  • Premium Oxygen Free High Conductivity (OFHC) copper
  • Suitable for 12V, 24V and 48V electrical systems
  • Maximum DC voltage rating: 120V
  • Flexible multi-strand construction for easier installation
  • V90 insulation rated for demanding operating conditions
  • Manufactured to AS/NZS 1125 and AS/NZS 3808:2000 standards
  • 100m roll ideal for workshops, commercial fleets and large projects

Ideal for Automotive, Marine & Off-Grid Power Systems

Whether you're wiring a 4WD dual battery system, upgrading a caravan lithium battery installation, building a marine battery bank, or completing an off-grid solar power project, the KEY 3B&S (26mm²) Black Single Core Automotive Cable provides the conductivity, durability, and reliability required for professional results. Suitable for caravan, RV, marine, off-grid, industrial, commercial vehicle, and renewable energy applications, this cable delivers dependable power where it matters most.

Upgrade your vehicle or power system today with the trusted performance of KEY 3B&S (26mm²) Automotive Cable and enjoy efficient, reliable power delivery for years to come.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 21808418616

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Chris Cook
Natrona Heights, US
★★★★★ 1
You get what you pay for
Color: 6692:Silver strap&blue dial
I thought I'd give this a try but when I took it out of the box, it was the cheapest built watch I ever bought. You get what you pay for. It was supper light so I don't believe it was stainless wrist band. Felt more like potted metal. Never again.
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Reviewed in the United States on January 19, 2025
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byron j wilkinson
Grantham, US
★★★★★ 5
Good basic watch
Smaller than I expected but super nice we'll built. Offers day in English and Spanish. Stylish but simple. Easy to read the time and date.
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Reviewed in the United States on February 8, 2026
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DX Victor
Charlottesville, US
★★★★★ 5
Classy, comfortable, accurate
My previous Casio has gotten pretty beat up. So I wanted another Casio without spending a lot. I also need it do have both day and date. A metal band is a must. I sweat a lot and leather doesn’t last. The band needs to adjust perfectly to my relatively thin wrist. First, I like the style of the face - simple and easy to read. The watch isn’t real fancy which is fine with me. The band took a bit of adjusting and came out perfectly. It’s not too heavy and retains good accuracy. Can’t beat the price. Only thing I wish it had was 24 hour sub-dial instead of elapsed minutes. I think it’s a great value and a nice looking everyday watch.
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Reviewed in the United States on April 17, 2023
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Lazarus 43
Houston, US
★★★★★ 4
Very nice watch but hands need to be larger and luminous
It’s a very nice looking watch. Band adjustment is not difficult using the tools that come with th watch- and it’s very attractive. The watch could stand to be improved by by making the Hands larger and by making them luminous. The watch is very comfortable to wear . It may be a little large for a small wrist but it’s not gigantic. I haven’t checked the accuracy but it appears that the watch doesn’t lose or gain time.
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Reviewed in the United States on November 20, 2025
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Avery Waggoner
Carnegie, US
★★★★★ 5
Literally just a good watch, absolutely nothing to complain about
Ive had two versions of this watch, the leather strap version and this metal version. The only weak point on my old watch was the leather strap. This thing is simple, elegant, and practical, couldn't really ask more from a watch. It holds up pretty well and doesn't scratch too easily (if you have a labor intensive job you might want a glass protector). I've had mine for a couple months now and it only has a few very faint scratches but that's just because im rough on my watches lol. I would recommend this to literally anybody
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Reviewed in the United States on January 20, 2026

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