Timer Relays

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Timer Relays are a type of Control Relay with a time delay built in.


Timer Relay or Electromechanical Relay?


The difference between the timer relay and electromechanical relay is that when the output contacts open or close. On a conventional Control Relay, the contacts are opened or closed when a voltage is applied and removed from the coil - for timer relays, however, the contacts will open or close before or after an intentional time period. When choosing the right Timer Relay it is important to consider the right kind of delay required for your application.


What are the types of Timer Relays that I can choose from?


The most common timing function of Time Delay Relay are:


  • On Delay (Time delay starts on the application of voltage)

  • Off Delay (When a voltage is applied the relay is ready to accept a trigger)

  • Single Shot (One-shot)

  • Interval On (Interval) and Flasher (On First / Off First)

  • Repeat Cycle (When a voltage is applied the relay contacts change state and the timer starts)

When designing your application it is important to understand the difference between the particular types of the timer relays. That means to consider what should initiate the delay and whether the timing should start at the same time as the application as well as when the voltage is released.


Timer Relays are triggered/initiated by either:


  • Voltage being applied or

  • The closing or opening of a trigger signal

Trigger signals are either:


  • Control Switch ( Dry Contact) such as a limit switch, float switch or push button or

  • Voltage ( Power Trigger)

Where can I use Timer Relay?


Time Delay Relays are typically used in industrial applications and OEM equipment play an important role for many industrial processes such as small panel or sub-panels requirements.


  • Lighting circuits

  • Motor start control

  • Sensitive equipment

  • Safety control

  • Conveyor belt sequence delay
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Omschrijving Prijs Supply Voltage Time Range Mode of Operation Mounting Type Number of Timer Functions Number of Contacts Series Time Increment Power Supply Contact Configuration Current Maximum Terminal Type Minimum Voltage Maximum Voltage
RS-stocknr. 144-5926
FabrikantnummerDRTU24A06
FabrikantSensata / Crydom
48,90 €
Each
Aantal stuks
180 → 240V ac/dc 0.1 s → 100h - DIN Rail Multi Function 2 SeriesOneDR Hours, Minutes, Seconds External SPNO 6A Screw 180V ac/dc 240V ac/dc
RS-stocknr. 144-5927
FabrikantnummerDRTL24D06
FabrikantSensata / Crydom
51,42 €
Each
Aantal stuks
12 → 24V ac/dc 0.1 s → 100h - DIN Rail Single 2 SeriesOneDR Hours, Minutes, Seconds External SPNO 6A Screw 12V ac/dc 24V ac/dc
RS-stocknr. 144-5919
FabrikantnummerDRTL06D06
FabrikantSensata / Crydom
52,86 €
Each
Aantal stuks
12 → 24V ac/dc 0.1 s → 100h - DIN Rail Single 2 SeriesOneDR Hours, Minutes, Seconds External SPNO 6A Screw 12V ac/dc 24V ac/dc
RS-stocknr. 144-5928
FabrikantnummerDRTB06D06
FabrikantSensata / Crydom
64,39 €
Each
Aantal stuks
12 → 24V ac/dc 0.1 s → 100h - DIN Rail Single 2 SeriesOneDR Hours, Minutes, Seconds External SPNO 6A Screw 12V ac/dc 24V ac/dc
RS-stocknr. 144-5933
FabrikantnummerDRTC24D06
FabrikantSensata / Crydom
62,39 €
Each
Aantal stuks
12 → 24V ac/dc 0.1 s → 100h - DIN Rail Single 2 SeriesOneDR Hours, Minutes, Seconds External SPNO 6A Screw 12V ac/dc 24V ac/dc
RS-stocknr. 144-5917
FabrikantnummerDRTU06D06
FabrikantSensata / Crydom
70,10 €
Each
Aantal stuks
12 → 24V ac/dc 0.1 s → 100h - DIN Rail Multi Function 2 SeriesOneDR Hours, Minutes, Seconds External SPNO 6A Screw 12V ac/dc 24V ac/dc
RS-stocknr. 144-5934
FabrikantnummerDRTC24A06R
FabrikantSensata / Crydom
30,19 €
Each
Aantal stuks
180 → 240V ac/dc 0.1 s → 100h - DIN Rail Single 2 SeriesOneDR Hours, Minutes, Seconds External SPNO 6A Screw 180V ac/dc 240V ac/dc
RS-stocknr. 144-5936
FabrikantnummerDRTH24D06
FabrikantSensata / Crydom
30,81 €
Each
Aantal stuks
12 → 24V ac/dc 0.1 s → 100h - DIN Rail Single 2 SeriesOneDR Hours, Minutes, Seconds External SPNO 6A Screw 12V ac/dc 24V ac/dc
RS-stocknr. 144-5932
FabrikantnummerDRTU24D06
FabrikantSensata / Crydom
49,82 €
Each
Aantal stuks
12 → 24V ac/dc 0.1 s → 100h - DIN Rail Multi Function 2 SeriesOneDR Hours, Minutes, Seconds External SPNO 6A Screw 12V ac/dc 24V ac/dc
RS-stocknr. 144-5935
FabrikantnummerDRTH24B06R
FabrikantSensata / Crydom
30,19 €
Each
Aantal stuks
90 → 140V ac/dc 0.1 s → 100h - DIN Rail Single 2 SeriesOneDR Hours, Minutes, Seconds External SPNO 6A Screw 90V ac/dc 140V ac/dc
RS-stocknr. 144-5920
FabrikantnummerDRTA06D06
FabrikantSensata / Crydom
31,78 €
Each
Aantal stuks
12 → 24V ac/dc 0.1 s → 100h - DIN Rail Single 2 SeriesOneDR Hours, Minutes, Seconds External SPNO 6A Screw 12V ac/dc 24V ac/dc
RS-stocknr. 144-5930
FabrikantnummerDRTU24A06R
FabrikantSensata / Crydom
33,05 €
Each
Aantal stuks
180 → 240V ac/dc 0.1 s → 100h - DIN Rail Multi Function 2 SeriesOneDR Hours, Minutes, Seconds External SPNO 6A Screw 180V ac/dc 240V ac/dc
RS-stocknr. 144-5921
FabrikantnummerDRTH24A06
FabrikantSensata / Crydom
30,19 €
Each
Aantal stuks
180 → 240V ac/dc 0.1 s → 100h - DIN Rail Single 2 SeriesOneDR Hours, Minutes, Seconds External SPNO 6A Screw 180V ac/dc 240V ac/dc
RS-stocknr. 144-5923
FabrikantnummerDRTL24A06
FabrikantSensata / Crydom
50,50 €
Each
Aantal stuks
180 → 240V ac/dc 0.1 s → 100h - DIN Rail Single 2 SeriesOneDR Hours, Minutes, Seconds External SPNO 6A Screw 180V ac/dc 240V ac/dc
RS-stocknr. 144-5925
FabrikantnummerDRTA24A06R
FabrikantSensata / Crydom
44,68 €
Each
Aantal stuks
180 → 240V ac/dc 0.1 s → 100h - DIN Rail Single 2 SeriesOneDR Hours, Minutes, Seconds External SPNO 6A Screw 180V ac/dc 240V ac/dc
RS-stocknr. 144-5918
FabrikantnummerDRTC06D06
FabrikantSensata / Crydom
31,78 €
Each
Aantal stuks
12 → 24V ac/dc 0.1 s → 100h - DIN Rail Single 2 SeriesOneDR Hours, Minutes, Seconds External SPNO 6A Screw 12V ac/dc 24V ac/dc
RS-stocknr. 144-5931
FabrikantnummerDRTA24A06
FabrikantSensata / Crydom
44,68 €
Each
Aantal stuks
180 → 240V ac/dc 0.1 s → 100h - DIN Rail Single 2 SeriesOneDR Hours, Minutes, Seconds External SPNO 6A Screw 180V ac/dc 240V ac/dc
RS-stocknr. 144-5922
FabrikantnummerDRTL24A06R
FabrikantSensata / Crydom
34,13 €
Each
Aantal stuks
180 → 240V ac/dc 0.1 s → 100h - DIN Rail Single 2 SeriesOneDR Hours, Minutes, Seconds External SPNO 6A Screw 180V ac/dc 240V ac/dc
RS-stocknr. 144-5924
FabrikantnummerDRTH06D06
FabrikantSensata / Crydom
47,04 €
Each
Aantal stuks
12 → 24V ac/dc 0.1 s → 100h - DIN Rail Single 2 SeriesOneDR Hours, Minutes, Seconds External SPNO 6A Screw 12V ac/dc 24V ac/dc
RS-stocknr. 144-5929
FabrikantnummerDRTA24D06
FabrikantSensata / Crydom
45,60 €
Each
Aantal stuks
12 → 24V ac/dc 0.1 s → 100h - DIN Rail Single 2 SeriesOneDR Hours, Minutes, Seconds External SPNO 6A Screw 12V ac/dc 24V ac/dc