Protecting Your Equipment: Key Functions of Lightning Arresters

Lightning Arrester

In today's modern world, where technology has become an integral part of our lives, protecting our valuable equipment from unforeseen voltage surges and lightning strikes has become critical. An important component in ensuring the safety of electronic equipment is a lightning arrester, specifically a zinc oxide arrester. This blog will highlight the key functions of lightning arresters and emphasize the importance of incorporating them into your electrical system.

Lightning arresters play a vital role in protecting our equipment from the damaging effects of lightning waves or internal overvoltages. Lightning arresters are installed in parallel with the protected equipment and act as a defense mechanism by redirecting and dissipating excess voltage to the ground. This discharge mechanism prevents voltage surges from reaching the protected equipment, thereby protecting its insulation from any potential damage.

The primary function of a zinc oxide surge arrester is to prevent damaging potential surge voltages from causing damage to connected equipment. When the power line is struck by lightning or an internal overvoltage event occurs, the arrester operates immediately. By providing a low-impedance path, lightning arresters conduct transient currents directly to ground, thereby eliminating any potentially dangerous voltage surges. As a result, electrical equipment is not damaged and the integrity of the insulation is preserved.

The effectiveness of lightning arresters in protecting equipment is due to their ability to absorb high-energy surges. Zinc oxide surge arresters use a metal oxide varistor (MOV) design to suppress excessive voltages more effectively than traditional surge protectors. MOVs are non-conducting under normal operating voltage conditions but react quickly to sudden surges by diverting current away from the equipment being protected. This ensures that voltage surges are effectively managed, preventing potential damage to valuable equipment.

Protecting your electronic equipment with lightning arresters not only protects your assets but also reduces the risk of downtime and expensive repairs. Incorporating well-designed and reliable lightning arresters into your electrical system can provide a layer of defense against unpredictable events such as lightning strikes. Investing in a high-quality lightning arrester can give you peace of mind and protect your equipment from the damaging consequences of overvoltage.

In summary, lightning arresters, especially zinc oxide arresters, are an important part of protecting our valuable electronic equipment. Effectively protect sensitive equipment from potential damage by diverting lightning waves or internal overvoltages and discharging them to the ground. Lightning arresters' ability to absorb high-energy surges and fast response times ensure the integrity and longevity of your electronic equipment. Adding a lightning arrester to your electrical system is a smart decision that provides both practicality and peace of mind.


Post time: Nov-16-2023