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Circuit Breaker Wires: The Critical Current Pathway for Trip Protection Systems

As China's leading circuit breaker wire manufacturer, HAIPART designs wires that serve as the "current blood vessels" in trip protection systems - connecting external circuits to internal components. From power input terminals to signal transmission between contacts and coils, our wires ensure stable current conduction that directly impacts breaker response time and safety performance.

Specializing in "Material Excellence + Process Optimization", we provide customized wire solutions for various breaker types and application scenarios.

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Why Choose HAIPART Circuit Breaker Wires?

Material Innovation: The Art of Conductivity & Durability

Core Conductor

High-purity Oxygen-Free Copper (OFC) stranded wire
Purity ≥99.99% | Conductivity ≥100% IACS
Reduces resistance loss by 15% vs standard copper
Silver-plated surface (8-12μm) maintains low contact resistance
Passes 1000hr salt spray test (ASTM B117)

Insulation Layer

Dual-layer co-extrusion technology
Inner layer: Cross-linked Polyethylene (XLPE) | Temp rating: 105°C
Outer layer: Flame-Retardant PVC (FR-PVC) | UL 94 V-0 certified
Special formulation maintains flexibility at -40°C
Eliminates winter installation cracking risks

Structural Design: Optimizing Safety & Efficiency

Conductor Architecture

Multi-strand fine wire design (≤0.2mm strand diameter)
5x wire diameter bending radius for compact installations
Pre-crimped terminals with dual-redundancy contact
Ensures vibration-resistant connection reliability

Protection System

Kevlar-reinforced jacket (200N tensile strength)
Prevents short circuits from mechanical damage
IEC 60446 compliant color-coding system
Reduces wiring errors through visual identification

Key Application Areas

✅ Data Center Power Systems

Critical infrastructure protection with fail-safe wiring.

✅EV Charging Stations

High-current solutions for fast-charging applications.

✅Smart Grid Systems

Reliable transmission for grid modernization projects.

✅Low-Voltage Equipment

Precision wiring for protection devices and controls.

Our Circuit Breaker Wire Products

RCBO Circuit Breaker Wire Components

Specialized OFC wires with silver plating and XLPE/FR-PVC dual insulation for Residual Current Breakers with Overcurrent Protection systems.

Get Your Custom Wire Solution

Contact HAIPART

Tel: +86-13819777367

Email: Sales@haipart.com

Parts

HAIPART specializes in R&D and production of high-quality core electrical components—including arc chambers, terminals, stamped components, coils, conductors and magnetic cores,these flexibly integrable components are widely used in circuit breakers, contactors, relays and switchgear, delivering reliable solutions for power distribution, industrial control and automation.