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Finder Override and Status Indicating Module, Power module 19 Series Finder 19.91.9.012.4000, This Finder Override and Status indicating module is frrom the 19 Series. This relay is also known as intervention module. With the use of carefully installed intervention modules, a trained caretaker or security guard can be in a position to recognise any interruptions in service and by manual intervention perform the necessary override actions to maintain system operation until a repair can be effected. The 19.91.9.012.4000 is a 12V DC Power Module for Twilight Switch order code 49 2931. Control via the semi conductor output Y1 Y2 of the twilight switch 11.91 order code 49 2931. This output is controlled only by brightness and not by timer clock. With the twilight switch 11.91 and the power module 19.91 order code 49 2932, it is possible to switch off some of the lamps during the night hours for saving power with 11.91 depending upon time and to maintain a reduced illumination throughout the night with the 19.91. Finder 19.91.9.012.4000 Power Module for Twilight Switch 12 VDC SPDT CO
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