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Surge Protective Device (SPD)
Surge Protective Devices are used to protect the electrical installation from electrical power surges or known as transient overvoltage. Lightning is one of the events that can cause transient surge where it will result in instant failure or damage to the equipment. SPD is designed to eliminate the transient overvoltage and divert current waves to earth. It is usually installed within the consumer unit to protect the electrical installation.
SPD Operation Manual - Model MY2
SPD Operation Manual - Model EL1C40 Full mode
SPD Operation Manual - Model EL1C40
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