Powerline Surge Protection Device (SPD)

A surge protective device (SPD) is a protective device for limiting transient voltages by diverting or limiting surge current and is capable of repeating these functions as specified. SPDs were previously known as Transient Voltage Surge Suppressors (TVSS) or secondary surge arrestors (SSA)

Specifications & Features

Healthy /Replace

Switching transients

Visual indication of the status of SPD

Equipment against induced overvoltage

  1. 17.5 mm rail EN 60715 mounting for each module
  2. Surge arrester suitable for AC systems to protect