Technical Support

Lightning surges contain significant amounts of energy that needs to be diverted away from vulnerable equipment, which is the system that is to be protected from surges. CE-marked electronic equipme...

When designing and installing power distribution systems, engineers and contractors must select surge protective devices (SPDs) to protect electrical equipment and systems from transient overvoltage...

I. INTRODUCTION Effective surge protection is vital to ensure reliable and uninterrupted operation of modern low-voltage power grids that incorporate sensitive electrical and electronic equipment...

 Per Mode and Per Phase Ratings of SPD Surge Protective Devices (SPDs) are used throughout electrical distribution systems, such as at service entrances, transfer switches, and downstr...

Codes and Standards for Lightning Protection Systems in North America CSA B72:20 Canadian Standards Association “Installation Code for Lightning Protection Systems” This is the standard t...

EARLY STREAMER EMISION : HISTORY AND OPERATION PRINCIPLES Early streamer emission (ESE) lighting protection air terminals appeared in 1984, initially in France, and later in Spain, whic...

SPD Guide : Choose Common Mode or Differential Mode Protection? When selecting an SPD, it’s essential to understand the difference between common mode and differential mode protection. These two...

Protection against surges and overvoltages in BESS BESS systems contain AC/DC converters and battery banks implemented in concrete constructions or in metallic containers. These AC/DC conve...

Ground Resistance or Impedance? The goal of any grounding system is to provide a low impedance path for fault or transient currents to the earth. “Grounding” may be described as the process of m...

Remote Monitoring of Smart SPDs SPDs can be installed in electrical rooms and distant locations where there is not necessarily maintenance staff. This creates a need for monitoring from...