As China's leading Contact Assembly manufacturer, HAIPART engineers core circuit breaker components where performance directly determines equipment lifespan and system reliability. Our innovations address smart grid demands for rapid response and extreme durability.
AgNi10 Silver-Nickel Alloy Contacts
Conductivity ≥75% IACS.
40% lower arc erosion vs pure silver (validated).
Nano-Ceramic Surface Treatment
Al₂O₃ content ≥15%.
3x improved contact resistance stability (IEC 62271-100 certified).
Bimetallic Thermal Compensation
Copper-steel composite structure.
Thermal deformation ≤0.02mm/100℃.
Marine-Grade Corrosion Resistance
3,000 salt spray cycles (ASTM B117).
Offshore platform certified.
| Parameter | Value | Standard |
|---|---|---|
| Current Rating | Up to 125A | IEC 60947 |
| Mechanical Life | 100,000+ operations | UL 489 |
| Contact Resistance | ≤15μΩ | IEC 62271-100 |
| Operating Temperature | -40°C to +85°C | IEC 60068-2 |
As a specialist Contact Assembly manufacturer, our Wenzhou facility features:
✅ Class 1000 clean rooms for contact component assembly.
✅ Automated optical inspection (AOI) systems.
✅ In-house materials testing laboratory.
✅ Annual production capacity: 25 million units.
