سرج پروٹیکشن ڈیوائس (SPD) کیا ہے
A surge protection device (SPD) is an electrical safety component that protects equipment and electrical systems from voltage spikes caused by lightning, power grid switching, or electrical faults. SPDs automatically divert excess electrical energy to ground, preventing damage to sensitive electronics, appliances, and electrical infrastructure. Understanding SPD technology, proper selection criteria, and installation requirements is […]
سرج پروٹیکشن ڈیوائس (SPD) کیا ہے مزید پڑھیں »









