SPDs, an abbreviation of surge protection devices, are used in power supply networks to protect electrical equipment from damage caused by power surges or transient overvoltages. These can be caused by lightning strikes and switching sources. A surge protector works by conducting any transient overvo...
protection against transient overvoltage shall be provided unless the owner of the installation declares it is not required due to any loss or damage being tolerable and they accept the risk of damage to equipment and any consequential loss. Surge protection devices (SPD) are designed to immediatel...
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