Type 2 surge protection for PV systems. - Surge protection in accordance with IEC 60364-7-712 (VDE 0100-712) - Discharge capacity of 20 kA per pole and up to 40 kA (8/20) - fault-resistant Y-circuit with status display - the FS variant has a potential-free changeover contact for remote signaling Application: Surge protection devices for PV systems.