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Surge Arrester

Surge Arrester

Surge Arrester: Comprehensive Overview

General Features

The primary function of a surge arrester is to protect electrical equipment from the effects of over-voltages. During normal operation, a surge arrester should not negatively impact the power system. It must endure typical surges without incurring any damage. Surge arresters achieve this through the use of nonlinear resistors, which provide:
  • Low Resistance During Surges: This feature ensures that over-voltages are effectively limited, protecting the equipment from potential damage.
  • High Resistance During Normal Operation: This property prevents any negative effects on the power system, maintaining stability and efficiency.
  • Energy Absorption Capability: The surge arrester must have sufficient capacity to absorb energy, ensuring stable and reliable operation.
These characteristics enable surge arresters to absorb high amounts of energy while avoiding thermal runaways and self-destruction. They maintain their protective properties throughout their operational lifetime.

Material and Durability

Silicone Rubber: The exclusive use of silicone rubber in surge arresters has proven to be the best solution for insulation. Silicone rubber, particularly HTV (high-temperature vulcanized) silicone elastomers, exhibits high hydrophobicity. While many polymeric materials initially possess hydrophobic properties, most, such as EPDM alloy rubber, lose this characteristic over time. In contrast, genuine silicone rubber maintains its hydrophobicity throughout its entire lifespan, ensuring long-term durability and performance. Zinc-Oxide (ZnO) Varistors: ZnO varistors are essential for their high energy absorption capability and low protection level. These varistors are characterized by their ability to withstand high-duration current impulses, an indirect measure of their robustness and effectiveness. This ensures that the surge arrester can handle significant electrical stress without degrading or failing.

ECMEI Surge Arresters

Silicone Rubber-Housed: ECMEI’s surge arresters are polymer-housed and utilize silicone rubber as the sole insulating material. This design choice enhances the arrester's overall performance and reliability. The use of HTV silicone rubber helps maintain the necessary hydrophobic properties, ensuring the arrester's efficiency and longevity. ZnO Varistors : ECMEI’s ZnO varistors contribute to the high energy absorption capability and provide a very low protection level. These varistors ensure that the surge arrester can effectively absorb significant energy levels, protecting the equipment from over-voltages while maintaining stable operation.

Why Choose Our Product?

  • Reliable Over-Voltage Protection: With high resistance during normal operation and low resistance during surges, our surge arresters ensure reliable protection for your equipment.
  • Durable and Long-Lasting: The use of genuine HTV silicone rubber in our arresters maintains hydrophobic properties throughout their lifetime, offering long-term durability and consistent performance.
  • High Energy Absorption Capability: Our ZnO varistors provide robust protection against high-duration current impulses, ensuring that the surge arrester can handle significant electrical stress effectively.
  • Stable and Efficient Operation: Designed to absorb high amounts of energy while avoiding thermal runaways and self-destruction, our surge arresters maintain their protective characteristics over their operational lifetime.
Our surge arresters combine advanced materials and design features to offer superior protection and durability, ensuring that your electrical equipment remains safe from over-voltages and other electrical stresses. Choose our surge arresters for reliable, long-term protection and peace of mind.   Egyptian Company for Manufacturing Electrical lnsulators (ECMEI) ECMEI-Surge Arresters

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City City A Found Date 2024-09-30
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