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How to choose an SPD

A Surge Protective Device (SPD) is designed to reduce surge voltage, which protects equipment and reduces repair and replacement costs. Every SPD reduces the surge voltage to equipment during a surge to a voltage tested level known as Let-Through-Voltage.

DC surge protection

DC surge protection is necessary in several industries which utilize DC current in order to maintain service functionality. Two major industrial applications of DC surge protection devices is in the telecommunications industry utilizing cell tower structures and in the solar industry utilizing photovoltaic power plants.

How Does SPD (Surge Protection Device) Work?

Surge protective devices (SPDs) are essential devices that protect electrical equipment from damage caused by voltage spikes or surges. These surges, which can be caused by lightning or power outages, can interfere with and even destroy sensitive electronic devices.

Surge Protection Devices (Surge arresters) (SPD)

The Surge Protection Device (SPD) is a component of the electrical installation protection system.

Surge Protector Application

With the rapid development of electronic technology, more attention has been paid to lightning strikes in construction. Thus, more overvoltage protection products into the market, the Surge Protective Device (SPD) is also becoming familiar to people.

Surge Protective Devices (SPD)

Surge Protective Devices (SPD) are used to protect the electrical installation, which consists of the consumer unit, wiring and accessories, from electrical power surges known as transient overvoltage.

IEC 61643-31 Low-voltage surge protective devices – Part 31: Requirements and test methods for SPDs for photovoltaic installations

This British Standard is the UK implementation of EN 61643‑31:2019. It is derived from IEC 61643‑31:2018.

Understanding Surge Protection Devices (SPDs)

Today’s world is full of electronic products and electrical devices that are susceptible to damage from overvoltage surges

Surge protection devices for industrial applications

Today’s industrial and professional equipment is dependent upon microprocessors and other sensitive electronic equipment, increasing the world’s need for greater protection from electrical surges.