The Dehn DPA series data & signal Surge Protective Device (SPD) is a high-quality unit designed for series circuit applications. With two ports and surge protection properties, this SPD is ideal for safeguarding electrical systems against surges and spikes. Manufactured by DEHN, a trusted brand in the industry, this silver-colored device provides reliable protection for your crucial data and signal lines. With its durable construction and effective surge protection, the Dehn DPA series SPD is a must-have for ensuring the safety and reliability of your electrical systems.