99 SERIES Coil indication and EMC suppression modules 99 SERIES 99.02 A Diagrams Code 99.02.9.024.99 99.02.9.060.99 99.02.9.220.99 Green LED + diode module (standard polarity) Recovery diode modules + LED are used for DC only. 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 from 3 to 5. If an increase of the release time is undesirable use a Varistor or RC module.