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Circuit breaker wires
HAIPART Wires | Critical Current Path in Circuit Breaker Trip Protection Systems
HAIPART, a leading circuit breaker wire manufacturer in China, uses high-purity oxygen-free copper (OFC) conductors and XLPE/FR-PVC double-insulation composite systems as its core. Through silver plating, contact resistance is reduced by 40%, and insulation thickness error is controlled within ±0.05mm, achieving dual protection of conductivity and insulation. In terms of structural design, 19 strands of 0.32mm fine copper wire are twisted together to increase flexibility by 50%, and a fan-shaped cross-section optimizes space utilization by 30%. A tinned copper wire braided shielding layer suppresses electromagnetic interference ≥60dB, ensuring precise and efficient current transmission. Applications cover all scenarios of RCBO, MCB, and MCCB circuit breakers. Combined with full-process quality control and automated production, HAIPART provides precision current transmission solutions for circuit breaker systems, from materials science to structural engineering.
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Wires FAQ

Q1:What are the reasons for severe overheating of wires?

A1:The load current exceeds the rated value, the wire resistance is too high, and the ambient temperature is too high.

Q2:What is the source of the abnormal noise from the wire?

A2:Wire vibration, poor contact, electromagnetic interference.

Q3:What are the typical symptoms of a damaged wire?

A3:Insulation layer cracking, localized overheating, short circuit tripping, and oxidation and discoloration of the connectors.

Q4:Can the wire be used again after it burns out?

A4:Use is strictly prohibited. Burning will cause insulation failure, which can easily lead to short circuits or fires.

Q5:What are the common causes of excessive temperature rise in conductors?

A5:Overload, excessive contact resistance, poor heat dissipation in a confined environment.

Q6:How to reduce electromagnetic interference from wires?

A6:Use shielded cables, optimize wiring paths, and add ferrite cores if necessary.

Q7:What factors affect the lifespan of a conductor?

A7:Load fluctuations, environmental corrosion, and mechanical damage.

Q8:What are the prices of your products?

A8:Product prices vary depending on the model, specifications, and quantity. Please consult the sales team or check the official website for details.

Q9:What after-sales services do you provide?

A9:We provide comprehensive after-sales services, including product consultation, technical guidance, installation and commissioning, repair and replacement, and warranty.

Q10:How can I contact your technical support?

A10:Technical support can be contacted through the official website, customer service hotline, or email.

We believe that through our manufacturing strengths and service commitment, we are able to provide our customers with superior products and an unparalleled service experience.​​​​​​​
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