High Voltage Surge Arrester With Overvoltage Protection

Standards:IEC 60099-4

ambient condition:

1)The ambient air themperatures is no higher than +40° C, no lower than-40° C.

2)The altitude above sea level dose not exceed 2000m.

3)AC system frequency is 50Hz or 60Hz.

AC voltage brought to bear on arrester for a long time dose not exceed arrester's continuous operating voltage.

4)Maximum wind speed dose not exceed 35m/s.

5)The earthquake intensity dose not exceed 7 degrees.

Product Description

The High Voltage Surge Arrester with Overvoltage Limiting Function stands as a critical, unyielding line of defense for modern electrical networks. Upon visual inspection, the robust external housing—available in premium silicone rubber, high-strength porcelain, or EPDM—exhibits a meticulously engineered shed profile. This specific geometric design is crafted to maximize the creepage distance, allowing the surface to repel moisture instantly and prevent the accumulation of conductive pollutants. When handled, the sheer density and rigid metallic flanges of the unit speak to the solid, high-performance internal architecture. At its heart lies a precisely manufactured Zinc Oxide (ZnO) varistor core, operating silently but decisively. It acts as an invisible, highly responsive shield that detects dangerous transient overvoltages in a matter of nanoseconds.

By seamlessly integrating into parallel installations across transmission lines and substations, this device absorbs and safely dissipates massive amounts of electrical energy generated during lightning strikes or sudden switching surges. This rapid energy conversion prevents catastrophic thermal runaway in adjacent, highly expensive transformers and sensitive switchgear. The flawless, gapless construction completely eliminates internal arcing and sparking, ensuring a remarkably long, maintenance-free lifespan even under relentless environmental stress. For grid operators, project engineers, and infrastructure developers, deploying this level of protection translates to drastically reduced system downtime, minimized equipment replacement costs, and an unwavering guarantee of operational safety across the entire power grid.

Product Specifications

Key Features & Highlights

Engineered for Maximum Grid Resilience

Our surge arresters are meticulously crafted to deliver uncompromising safety for high-value electrical assets. By focusing on rapid energy dissipation and unyielding structural integrity, these units provide operators with absolute confidence during severe weather events and unpredictable grid fluctuations.

• Nanosecond Response Time: The advanced gapless design reacts instantly to transient overvoltages, clamping dangerous electrical spikes before they can penetrate and destroy sensitive downstream equipment.

• Unmatched Thermal Stability: Engineered to absorb massive electrical impacts without succumbing to thermal runaway, ensuring continuous, safe operation even after repetitive and violent surge events.

• Weather-Defiant Exterior: The inherently hydrophobic nature of the silicone or EPDM housing actively sheds water and resists aggressive UV degradation, maintaining optimal insulation properties in coastal or heavily polluted industrial zones.

• Seamless Integration: Designed for straightforward parallel installation, minimizing labor time, reducing complexity for field technicians, and accelerating large-scale network upgrade deployments.

Investing in this superior level of overvoltage protection directly correlates to extended lifespans for transformers and circuit breakers, ultimately optimizing the total cost of ownership for vast utility networks.

Comprehensive Performance Dimensions

Core Material & Structure

The foundation of this arrester lies in its high-performance Zinc Oxide (ZnO) varistor core, securely encapsulated within a fully sealed silicone rubber, EPDM, or high-strength porcelain housing. This precise structural construction delivers exceptional electrical insulation, robust UV resistance, and profound anti-aging properties. The completely waterproof hermetic seal guarantees that all internal components remain pristine, dry, and highly stable over decades of continuous operation.

Protection Performance & Response Speed

Utilizing a cutting-edge gapless architecture, the device boasts an ultra-fast, nanosecond-level response speed coupled with extraordinary energy absorption and high-current withstand capabilities. It instantly discharges lightning surges and dangerous switching overvoltages. By doing so, it effectively mitigates any risks associated with thermal runaway, providing top-tier, impenetrable safety for vital transformers and switchgear systems.

Environmental Adaptability & Durability

Purpose-built for the most unforgiving climates on earth, this unit operates flawlessly across extreme ambient air temperatures ranging from -40°C to +40°C. It maintains its structural and functional integrity at high altitudes up to 2000 meters, withstands gale-force winds up to 35m/s, and endures severe seismic events up to 7 degrees in intensity. Its superior anti-pollution flashover and salt-fog resistance enable a truly maintenance-free, all-weather lifecycle.

Quality Control & International Certification

Every single unit is manufactured under strict adherence to IEC 60099-4 and ANSI/IEEE international standards. Backed by authoritative global certifications including ISO9001, CE, KEMA, and SGS, our production process enforces a rigorous 100% factory testing protocol. Each arrester undergoes exhaustive visual, functional, and hermetic sealing inspections prior to dispatch, guaranteeing a zero-defect delivery to your project site.

Application & Compatibility

This highly versatile protection solution is widely deployed across medium and high-voltage AC/DC systems globally. It remains the preferred choice for critical infrastructure, including main substations, complex distribution networks, railway catenary systems, heavy industrial manufacturing plants, and renewable energy sectors such as wind and photovoltaic power generation. Offering multiple mounting options like parallel and base installations, it perfectly adapts to complex electrical infrastructure requirements.

Supply Chain & Customization Services

Supported by a formidable internal R&D and engineering division, we offer deep OEM and ODM customization alongside reliable, high-volume material supply for major EPC contractors. We facilitate a seamless procurement experience by providing free sample testing, comprehensive tender documentation support, a solid warranty framework, and highly responsive after-sales technical assistance to ensure your project's success from inception to completion.

Why Choose Us

Your Strategic Partner in Electrical Infrastructure

Selecting the right manufacturing partner for high-voltage protection equipment is a critical decision that directly impacts the safety, efficiency, and longevity of entire power grids. Our expansive manufacturing facility combines decades of specialized engineering expertise with state-of-the-art production lines to deliver unparalleled reliability for large-scale procurement demands.

• Proven Manufacturing Excellence: We have spent many years successfully supplying LV and MV EPC materials in extensive lots, backed by a robust internal design team capable of meeting the most precise custom requirements.

• Comprehensive Tender Support: We deeply understand the complexities of global infrastructure bidding. Our dedicated team provides complete, ready-to-submit document sets tailored specifically for major project tender requirements.

• Rigorous Testing Protocols: From the initial selection of raw materials to the final assembly and sealing, every production batch undergoes stringent quality assurance testing to ensure absolute compliance with global safety and performance standards.

• Global Logistics Competence: We excel in securely packaging, handling, and routing heavy electrical components worldwide, ensuring your critical materials arrive on-site, perfectly on time, and in pristine condition.

FAQ

Frequently Asked Questions

To assist our clients in their procurement and engineering evaluation processes, we have compiled answers to the most common technical and operational inquiries regarding our surge protection solutions.

• Q1: Are you able to provide samples for preliminary testing?
  A1: Yes, we are providing the samples for free to assist with your engineering evaluations. The recipient is only required to pay for the freight charge.

• Q2: Can your facility handle EPC material design and provide them in large lots?
  A2: Yes, we are supplying for LV and MV EPC material in lot many years, and have a strong design team ready to support your large-scale infrastructure projects.

• Q3: Is OEM manufacturing available for specific project requirements?
  A3: Yes, OEM is available. We are providing the equipment, including anchor clamps and housing variations, exactly as per your custom requirement.

• Q4: Do you supply complete documents for project tenders?
  A4: Yes, a whole set of documents is ready for submit, ensuring your bidding process is smooth and fully compliant with technical demands.

• Q5: How does the gapless Zinc Oxide design improve the arrester's lifespan?
  A5: The gapless ZnO varistor design completely eliminates internal arcing and sparking during operation. This drastically reduces internal component degradation, ensuring a highly stable, non-linear voltage-current characteristic over decades of continuous service.

• Q6: What level of maintenance is required for the silicone rubber housing?
  A6: The premium silicone rubber housing is highly hydrophobic and essentially self-cleaning. In the vast majority of environments, including heavily polluted industrial or coastal salt-fog areas, it requires zero maintenance, significantly reducing long-term operational costs.

Basic Info.

Q1: Samples providing?

A1: We are providing the samples for free, but need pay for the freight charge.

Q2: EPC material design and provide in lot?

A2: Yes, we are supplying for LV and MV EPC material in lot many years,and have strong design team.

Q3: OEM available?

A3: Yes, we are providing the anchor clamp as custom requirement.

Q4: Complete documents for tender?

A4: Yes, whole set documents ready for submit.