Description
The 25mm Black Single Core Automotive High Temp Thinwall Cable (CSW5TW-50B) is a premium-grade wiring solution engineered for use in switch control, relay operations, and instrumentation circuits. Designed to perform under high temperatures, this cable meets the rigorous standards expected in automotive and marine environments.
At its core, the cable features a Class 5 flexible plain copper conductor that ensures excellent conductivity and easy installation—even in confined spaces. The thinwall insulation made of Polyvinyl Chloride (PVC) offers robust protection while reducing bulk and weight, making it ideal for modern vehicle wiring harnesses and systems.
Rated for 600V to 1000V, this cable supports medium- to high-voltage applications, delivering both safety and consistent performance. With its durable black outer sheath, it resists wear, abrasion, and various automotive fluids, including petrol, diesel, and oils.
Whether you’re upgrading your wiring, replacing damaged components, or building a new system from scratch, this cable provides the performance, flexibility, and durability that professionals trust.
Key Features
- 25mm² conductor size for high current capacity
- Single core black cable with thinwall PVC insulation
- High-temperature performance, ideal for automotive and marine use
- Voltage rating: 600V to 1000V for versatile applications
- Class 5 flexible copper conductor for improved flexibility and handling
- Designed for switch control, relay, and instrumentation systems
- Resistant to abrasion, oils, fuels, and other automotive chemicals
- Compact and lightweight – perfect for tight engine compartments or harness builds
- Trusted quality – built to industry-standard performance levels
Specifications
- Product Code: CSW5TW-50B
- Cable Type: Single Core Thinwall Automotive Cable
- Conductor Cross Section: 25.00mm²
- Colour: Black
- Voltage Rating: 600V – 1000V
- Number of Cores: 1
- Conductor Type: Class 5 Flexible Plain Copper
- Insulation Material: PVC (Polyvinyl Chloride)
- External Diameter: 9.40mm
- Weight: 0.303kg per metre
- Typical Applications: Switch control, relays, instrumentation wiring





