99.02.9.024.99 Coil indication and EMC suppression module. The 99.02.9.024.99 from Finder is a coil indication and EMC suppression module for use with relays. This module contains green LED indicator and recovery diode module with standard polarity used for DC operation. The reverse voltage peaks of the coil are short circuited by the recovery diode (positive to terminal A1). The release time increases by an approximate factor of 3. If an increase of the release time is undesirable, use a varistor or RC module. The LED indicator lights up when the coil is energized.