Digital timer TDE4-3/12-24V

T=(0.1sec ... 9999min), Us=12÷24V ac/dc, Output 4A/220V, 95x49x113mm

Price 43.68 EUR no VAT

The TDE4-3/12-24V digital timer is a microprocessor device which is used for switching off and on electrical circuits for a fixed time interval "T" in the range from 0.1sec to 9999min set programmatically. The timer can be started in three ways: a) by turning on the supply voltage; b) by pressing a button on the front panel of the timer; c) by using an external button or sensor connected to the timer. The time-relay has an energy-independent memory. The digital timer is designed for installation in a dashboard (panel montage).


The TDE4-3 digital timer is a compact device on the basis of microprocessor. Used to switch direct current and alternating current electric circuits for a fixed time interval "T", which is set in digital form. The time relay has two operating modes LOG1 (_I¯I_) and LOG2 ( _I¯ ), which allow it to be used in various automated systems. It is used widely in automation of production, technological and other processes.


Digital indication, LED - red 4 digits, h = 14mm (height)
Time range, T 0,1 sec … 9999 min
Supply voltage, Us 12÷24V ac/dc (11÷31Vdc / 11÷27Vac)
Power consumption, P 2 W (85 mA)
Output - Relay (NO+NC) 4A / 220VAC
Error counting time ±0,05 %
Operating temperature, Tamb -20º...+50º C
Degree of protection IP40
Joining Terminal block
Overall dimensions 95х49х113 mm

Programmable parameters

Parameter,  T 0.1 ÷ 999.9  (1 ÷ 9999)
Range of parameter  T :
      0,1÷999,9 sec 0.1''
      1  ÷  9999 sec 1.0''
      1  ÷  9999 min 1.0'
Operating mode (summation / subtraction) Inc / dEc
Interruption of the supply voltage  Us :
      - after an interruption, the reading continues from the current data Cont
      - after an interruption, the reading automatically starts from the beginning Full
      - after an interruption, a stop mode of the current data is established Ucc
      - after an interruption, the timer is reset Goto
Automatic start when the power is turned on for the first time no / Auto
Mode of operation    ( _⌈‾⌉_  /   _¯ ) LOG1 / LOG2

Timing diagram of the TDE4-3 timer

Diagram of TDE4-3 and TDE4-3L timers

Timing diagram of the output relay (“NO” - normally open contact)

Schemes of connection

Scheme of connection of NPN sensor to timer TDE4-3 and TDT4-2


Starting the timer with NPN sensor

Scheme of connection of the start button to the TDE4-3 and TDT4-2 timer


Starting the timer with switch K2

Overall dimensions (mm)

Overall dimensions of the housing 95x49x113 of the controller for panel mounting

Short description

The TDE4-3 digital time relay is an electronic device used as a means of automating production processes. Used for switching direct current and alternating current electrical circuits.

Typical parameters of TDE4-3 timer

TDE4-3 / 12-24V11÷31VDC / 11÷27VAC2W (85mA)
TDE4-3 / 220V220VAC ±10%4W (16mA)