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Surge Protection Device
Surge Arrester
A surge arrester or surge protecter is a device to
protect electrical equipment from over-voltage
transients caused by external (lightning) or internal
(switching) events.
Surge Protective Device
A surge protective device reduces the magnitude of
a voltage transient surge thus protecting equipment
from damaging effects. SPD’s were commonly
known in the past as Transient Voltage Surge
Suppressor.
Types of
Surge Protective Device
Type 1 SPD (LINE SIDE)
Permanently Connected SPD – Installation
between the secondary of the service
transformer and the LINE side of the service
disconnect over current device
Type 2 SPD (LOAD SIDE)
Permanently Connected SPD intended for
installation on the LOAD side of the service
disconnect over current device, including SPDs
located at the branch panel.
Type 3 SPD
Point of utilization SPDs, installed a minimum of 10
meters (30 feet) from the electrical service panel,
for example cord connected, direct plug-in (DPI),
receptacle type and SPDs installed at the
utilization equipment being protected.
If you are looking best manufacturers, suppliers,
exporters of surge protection device then you
feel free to contact with tradeindia. We have
reputed listing of manufacturers of surge
Protection device.

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Surge Protection Device

  • 2. Surge Arrester A surge arrester or surge protecter is a device to protect electrical equipment from over-voltage transients caused by external (lightning) or internal (switching) events.
  • 3. Surge Protective Device A surge protective device reduces the magnitude of a voltage transient surge thus protecting equipment from damaging effects. SPD’s were commonly known in the past as Transient Voltage Surge Suppressor.
  • 5. Type 1 SPD (LINE SIDE) Permanently Connected SPD – Installation between the secondary of the service transformer and the LINE side of the service disconnect over current device
  • 6. Type 2 SPD (LOAD SIDE) Permanently Connected SPD intended for installation on the LOAD side of the service disconnect over current device, including SPDs located at the branch panel.
  • 7. Type 3 SPD Point of utilization SPDs, installed a minimum of 10 meters (30 feet) from the electrical service panel, for example cord connected, direct plug-in (DPI), receptacle type and SPDs installed at the utilization equipment being protected.
  • 8. If you are looking best manufacturers, suppliers, exporters of surge protection device then you feel free to contact with tradeindia. We have reputed listing of manufacturers of surge Protection device.