Type 2 surge arrester For surge protection equipotential bonding in accordance with VDE 0100-443 (IEC 60364-4-44) Discharge capacity up to 30 kA (8/20) per pole due to high-performance series connection of varistor and spark gapModular pluggable arrester with disconnecting device and visual status indicator Latching function with vibration protection and voltage coding Plastic in accordance with UL 94 V-0 The FS variants have a potential-free changeover contact for remote signalling Application: Potential equalisation in main and sub-distribution boards.