Finder-99-80-Series-Indicator-EMC-Suppression-Modules-Finder-99-80-9-024-99-P-This-Finder-99-80-series-module-contains-a-free-wheel-flyback-diode-to-protect-relay-driver-circuits-from-negative-going-voltage-spikes-A-green-LED-shows-when-the-coil-is-energized-The-module-is-designed-to-fit-into-a-compatible-socket-together-with-the-relay-it-suppresses-This-EMC-suppression-and-indicator-module-is-compatible-with-the-following-sockets-and-relays-P-P-screw-sockets-84-84-2-94-54-1-94-82