SPD Lightning Protection Selector
SPD Recommendation
Select location and voltage to get SPD recommendation.
How It Works
Select Installation Point
Choose where the SPD will be installed: main panel, sub-panel, outdoor roadside, or at equipment terminals.
Specify System Voltage
Select your system voltage (230V/400V AC or 24V/48V DC) to get the correct maximum continuous voltage (Uc) rating.
Get SPD Specifications
Receive SPD type (Type 1/2/3), protection class, impulse current rating (Iimp), and maximum discharge current (Imax).