The welder cable is designed to be exceptionally soft and highly flexible, making it easy to handle in various welding applications. The outer sheath is typically made from natural rubber or neoprene, offering excellent durability and adaptability for different environments. Neoprene, in particular, provides outstanding resistance to heat, oil, and flames, making it ideal for demanding industrial settings.
This type of cable is specifically used for the secondary wiring of electric welding machines operating at voltages not exceeding 200V, with a pulsating DC peak voltage of up to 400V. It can withstand a maximum operating temperature of 65°C, ensuring reliable performance under normal working conditions.
**Key characteristics of welder cables include:**
1. **Low Voltage Operation:** YH cables are used in low-voltage systems (up to 200V) but carry high currents, requiring robust and durable construction.
2. **Temperature Limitation:** The long-term allowable operating temperature should not exceed 65°C to maintain safety and performance.
3. **Flexibility and Durability:** These cables are often moved, twisted, and bent during use, so they must remain soft and flexible over time.
4. **Mechanical Strength:** During the welding process, cables may come into contact with sharp metal parts, so the insulation needs to have strong tear and abrasion resistance.
5. **Environmental Resistance:** They are frequently exposed to harsh conditions such as direct sunlight, water, mud, engine oil, and even acidic or alkaline substances, which requires good weather, oil, and chemical resistance.
6. **Heat Resistance:** In some cases, the cables may be near hot metal or sparks, so they need to resist heat distortion effectively.
7. **Compact and Lightweight:** Due to frequent movement, these cables should have a small diameter and light weight for ease of handling.
Given the relatively low electrical requirements and the complex environmental challenges they face, welder cables are not built to handle extreme conditions without proper care. It's important to ensure that they are used in appropriate environments and protected from physical damage. Always check the usage conditions and take necessary precautions to extend the cable’s lifespan and ensure safe operation.
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