Type 2 Spd Wiring Diagram. Spd wiring configuration 3. This means that there will be many spds within the installation as there will already be fuses or circuit breakers.
Pv plus bus red wire battery negative black wire ground ac in black red wire ac out. Through the enclosure hole and mount the spd enclosure. The type 2 spd is the main protection system for all low voltage electrical installations.
Transients have fast rising wave fronts.
As demonstrated below this type of protection can be established even in the absence of an earthing electrode. Spd wiring configuration 2. Select the correct wiring diagram for the spd you are install ing. Connection conductors too long output conductors physically separated.