Conrad 393903 time 393903 Data Sheet

• The maximum time that can be set for the staircase lighting timer by the PC software is 90 minutes.

• The service function or pre-warning function can be added optionally.

• If the button at the input „SET“ is pushed for a short time, a positive level is pending. The relay is activated at once.

When the button at the input „SET“ is released again, the relay remains activated for the set time T1.

• The push of a button at the input „RESET“ deactivates the relay output.

Optional functions (only for
staircase light machine)

Selection of the switching function type via the
tab „Staircase Lighting Timer“

Selection of the activation time in the format
„HH:MM:SS“

Selection of the switching function when the
button is pushed again

Button „Transfer Settings“ configures the
connected Multifunction timer „MFT1816“ as
staircase lighting timer