Surge Protective Device
type 1 surge protection device
type 2 surge protection device
type 3 surge protection device
Surge Protective Device
type 1 surge protection device
type 2 surge protection device
type 3 surge protection device
Surge Protective Device.webp
type 1 surge protection device
type 2 surge protection device
type 4 surge protection device
What is a Surge Protective Device?
A Surge Protective Device (SPD) safeguards electrical systems by diverting excess voltage from power surges (e.g., lightning, switching events) to ground. It limits transient overvoltages, protecting equipment from damage. Common types: Type 1, 2, and 3 for different installation points.
Surge Protective Device Wiring in AC System
SPD More Related Articles
A Surge Protection Device (SPD) safeguards electrical systems from transient overvoltages (surges). To size SPDs: assess system voltage, earthing type (TN/TT/IT), max continuous voltage (Uc), nominal discharge current (In), impulse current (Iimp), protection level (Up), and short-circuit rating.