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Help Center220KV Surge Arrestor With 12-Month Warranty and Factory Test Certificate for Reliable Power System Protection
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As a dedicated manufacturer, Jinhua Dika Electrical Equipment Co., Ltd. specializes in providing robust protection solutions for critical power infrastructure. Our 220kV Surge Arrestor is engineered to safeguard high-voltage transmission and distribution systems from transient overvoltages, such as lightning strikes and switching surges. With a commitment to reliability backed by a 12-month warranty and a comprehensive Factory Test Certificate, this product ensures your network operates with enhanced stability and reduced risk of equipment failure. Trust in our expertise to deliver components that meet the demanding requirements of modern power grids.
This arrester is a cornerstone for maintaining system integrity. Its core value lies in preventing costly damage to transformers, switchgear, and other sensitive apparatus, thereby minimizing downtime and operational losses. We understand that in industries like utilities, industrial power, and renewable energy integration, uninterrupted service is paramount. Our surge arrestor acts as a vigilant guardian, intercepting dangerous voltage spikes before they reach vital equipment.
Key Features & Technical Advantages:
- High Energy Absorption: Designed to dissipate significant surge energy rapidly, protecting downstream components.
- Stable Voltage-Current Characteristic: Maintains a consistent limiting voltage under various surge conditions, ensuring predictable performance.
- Robust Construction: Available in durable porcelain or advanced composite polymer housings, resistant to environmental stresses and mechanical impact.
- Low Follow Current: Effectively blocks follow-on power frequency current after the surge event, preventing continued arrester stress.
- Sealed Design: Internal components are hermetically sealed to prevent moisture ingress, a common cause of failure in outdoor installations.
- Easy Installation & Maintenance: Modular design allows for straightforward mounting on structures or equipment, with visual indicators for status checking.
Technical Specifications Overview:
| Parameter | Typical Value / Range | Notes |
| System Voltage (Rated) | 220 kV | For AC power systems |
| Nominal Discharge Current | 10 kA / 20 kA | Standard and heavy-duty options available |
| Pressure Relief Current | Up to 65 kA | Ensures safe failure mode |
| Operating Temperature Range | -40°C to +80°C | Suitable for diverse climates |
| Mounting Type | Vertical or Horizontal | Adaptable to site requirements |
| Connection | Standard flange or custom | Consult for specific needs |
Benefits for Your Operation:
- Enhanced System Reliability: Reduces the probability of unexpected outages caused by overvoltage events.
- Cost Savings: Protects expensive primary equipment (transformers, cables), extending their lifespan and avoiding replacement costs.
- Safety Improvement: Mitigates risks associated with insulation failure and potential arc flashes.
- Compliance Support: Helps meet grid code and safety standards for overvoltage protection.
- Scalable Protection: Can be integrated into new projects or retrofitted into existing systems for upgraded defense.
Frequently Asked Questions (FAQ):
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Q: What is the primary function of a 220kV Surge Arrestor?
A: It is a protective device installed on high-voltage power lines or equipment terminals to limit transient overvoltages (like lightning surges) by diverting excess energy to ground, thereby protecting sensitive apparatus. -
Q: How does the 12-month warranty work?
A: The warranty covers defects in materials and workmanship under normal operating conditions for one year from delivery. It provides assurance of product quality and manufacturer support. -
Q: What does the Factory Test Certificate include?
A: The certificate documents key performance tests conducted on the unit before shipment, such as insulation resistance, voltage withstand, and discharge characteristics, verifying it meets specified criteria. -
Q: Can this arrester be used in coastal or highly corrosive environments?
A: Yes, models with composite polymer housings offer excellent resistance to salt spray and corrosive atmospheres. Specific material selection can be discussed based on your site conditions. -
Q: Is installation complex? Do we need special tools?
A: Installation is generally straightforward using standard lifting and mounting hardware for high-voltage equipment. Detailed installation guidelines are provided with the product. -
Q: How do we monitor the health or status of the arrester after installation?
A> Many units include visual indicators or can be integrated with monitoring systems that track leakage current. Regular inspection as part of system maintenance is recommended. -
Q: Are spare parts or maintenance kits available?
A: Yes, we can provide relevant spare parts and accessories. Please inquire about the specific components you may require. -
Q: Can the arrestor be customized for a specific system voltage other than 220kV?
A: Our manufacturing capabilities allow for customization. We produce arrestors for various voltage classes. Please contact us with your detailed requirements.
Jinhua Dika Electrical operates with a solid foundation, evidenced by our annual export value ranging between US$1 Million and US$1.5 Million and a team of 11-50 dedicated professionals. Our products reach global markets across North America, South America, Europe, Asia, Africa, and Oceania, shipped from major Chinese ports like Shanghai, Tianjin, Guangzhou, and Ningbo. This widespread acceptance underscores the reliability and performance of our electrical equipment. Investing in our 220kV Surge Arrestor means partnering with a manufacturer committed to quality—supported by a tangible warranty and verified test data—to fortify your power system's defense against unpredictable surges. Secure your infrastructure; contact us today for detailed specifications, pricing, or to discuss your project needs.
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