AKM AC SPD 4P 40KA 60KA 385V House Lightning Surge Protector Protective Low Voltage Arrester

AC SPD 4-Pole is a surge protection device designed to safeguard three-phase AC systems with a neutral connection from voltage surges. It protects all three phases (L1, L2, L3) and the neutral (N) by redirecting excess voltage to the ground, ensuring the safety of connected equipment. Commonly used in industrial setups, commercial buildings, and renewable energy systems, it provides comprehensive surge protection for balanced three-phase systems.