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. 791-2711
FabrikantnummerRE17RAMU
€ 40,25
Each
Aantal stuks
24 V dc, 24 → 240 V ac 0.1 s → 100 h ON Delay DIN Rail Multi Function 2 RE17 Hours, Minutes, Seconds - SPDT 8 A Screw 24 V ac 24 V dc, 240 V ac
RS-stocknr. 914-5070
FabrikantnummerRENF22R2MMW
€ 85,00
Each
Aantal stuks
12 → 240 V ac/dc 0.1 s → 100 h Multi Function with NFC DIN Rail Multi Function 2 Zelio Hours, Minutes, Seconds External DPDT 8 A Screw 12 V ac/dc 240 V ac/dc
RS-stocknr. 914-8209
FabrikantnummerREXL2TMP7
€ 39,50
Each
Aantal stuks
230 V ac 0.1 → 1 h, 0.1 → 1 min, 0.1 → 1 s, 1 → 10 h, 1 → 10 min, 1 → 10 s, 10 → 100 h ON Delay Plug In Single 2 - Hours, Minutes, Seconds External DPDT 5 A Plug 0.85 V 230 V ac
RS-stocknr. 897-6740
FabrikantnummerRE22R2QEMR
€ 45,20
Each
Aantal stuks
24 → 240 V ac/dc 0.3 → 30 s Star Delta DIN Rail Single 2 RE22 R2 Seconds External DPDT 8 A Screw 24 V ac/dc 240 V ac/dc
RS-stocknr. 897-6725
FabrikantnummerRE22R2MYMR
€ 85,35
Each
Aantal stuks
24 → 240 V ac/dc 0.05 → 1 s, 0.3 → 3 s, 1 → 10 s, 3 → 30 h, 3 → 30 min, 3 → 30 s, 10 → 100 s, 30 → 300 h, 30 → 300 min, 30 → 300 s OFF Delay, ON Delay DIN Rail Multi Function 2 RE22 R2 Hours, Minutes, Seconds External DPDT 8 A Screw 24 V ac/dc 240 V ac/dc
RS-stocknr. 827-8481
Fabrikantnummer822TD10H-UNI
€ 46,07
Each
Aantal stuks
12 → 240 V ac/dc 100 ms → 10 days Interval, Memory Latch, OFF Delay, ON Delay, ON Delay & OFF Delay, One Shot, Pulse Generator, Repeat Cycle Starting with OFF, Retriggerable One Shot DIN Rail Multi Function 2 - Days, Hours, Milliseconds, Minutes, Seconds External DPDT 2 x 15 A Screw 12 V ac/dc 240 V ac/dc
RS-stocknr. 897-6722
FabrikantnummerRE22R1MLMR
€ 70,30
Each
Aantal stuks
24 → 240 V ac/dc 0.05 → 1 s, 0.3 → 3 s, 1 → 10 s, 3 → 30 h, 3 → 30 min, 3 → 30 s, 10 → 100 s, 30 → 300 h, 30 → 300 min, 30 → 300 s Asymmetrical DIN Rail Single 1 RE22 R1 Hours, Minutes, Seconds External SPDT 8 A Screw 24 V ac/dc 240 V ac/dc
RS-stocknr. 897-6728
FabrikantnummerRE22R1MYMR
€ 70,30
Each
Aantal stuks
24 → 240 V ac/dc 0.05 → 1 s, 0.3 → 3 s, 1 → 10 s, 3 → 30 h, 3 → 30 min, 3 → 30 s, 10 → 100 s, 30 → 300 h, 30 → 300 min, 30 → 300 s Dw Symmetrical with Retrigger/Restart Control Signal, Interval Delay, Interval Delay with Control Signal Off, Interval Delay with Control Signal Off and with Pause/Summation Control, Interval Delay with Pause/Summation Control Signal, Interval Delay with Retrigger/Restart Control Signal, Off Delay with Control Signal, Off Delay with Control Signal and with Pause/Summation, On Delay and Off Delay with Control Signal, Power On Delay, Power On Delay with Pause/Summation Control Signal, Power On Delay with Retrigger/Restart Control, Symmetrical, Symmetrical with Pause/Summation Control Signal DIN Rail Multi Function 1 RE22 R1 Hours, Minutes, Seconds External SPDT 8 A Screw 24 V ac/dc 240 V ac/dc
RS-stocknr. 791-2745
FabrikantnummerRE17RMMU
€ 52,60
Each
Aantal stuks
24 V dc, 24 → 240 V ac 0.1 s → 100 h - DIN Rail Multi Function 2 RE17 Hours, Minutes, Seconds - SPDT 8 A Screw - 24 V dc, 240 V ac
RS-stocknr. 872-5805
FabrikantnummerRE22R2AMU
€ 54,00
Each
Aantal stuks
24 V dc, 24 → 240 V ac 0.1 s → 100 h ON Delay DIN Rail Multi Function 4 RE22 R2 Hours, Minutes, Seconds External DPDT 8 A Screw - -
RS-stocknr. 896-8676
FabrikantnummerRE22R2AMR
€ 70,30
Each
Aantal stuks
24 → 240 V ac/dc 0.05 → 1 s, 0.3 → 3 s, 1 → 10 s, 3 → 30 h, 3 → 30 min, 3 → 30 s, 10 → 100 s, 30 → 300 h, 30 → 300 min, 30 → 300 s ON Delay DIN Rail Single 2 RE22 R2 Hours, Minutes, Seconds External DPDT 8 A Screw 24 V ac/dc 240 V ac/dc
RS-stocknr. 897-6734
FabrikantnummerRE22R2QGMR
€ 70,30
Each
Aantal stuks
24 → 240 V ac/dc 0.05 → 1 s, 0.3 → 3 s, 1 → 10 s, 3 → 30 h, 3 → 30 min, 3 → 30 s, 10 → 100 s, 30 → 300 h, 30 → 300 min, 30 → 300 s Star Delta DIN Rail Single 2 RE22 R2 Hours, Minutes, Seconds External DPDT 8 A Screw 24 V ac/dc 240 V ac/dc
RS-stocknr. 896-8689
FabrikantnummerRE22R2HMR
€ 70,30
Each
Aantal stuks
24 → 240 V ac/dc 0.05 → 1 s, 0.3 → 3 s, 1 → 10 s, 3 → 30 h, 3 → 30 min, 3 → 30 s, 10 → 100 s, 30 → 300 h, 30 → 300 min, 30 → 300 s Interval Delay DIN Rail Single 2 RE22 R2 Hours, Minutes, Seconds External DPDT 8 A Screw 24 V ac/dc 240 V ac/dc
RS-stocknr. 872-5811
FabrikantnummerRE22R2MMW
€ 67,15
Each
Aantal stuks
12 → 240 V ac/dc 0.1 s → 100 h Multi Function DIN Rail Multi Function 4 RE22 R2 Hours, Minutes, Seconds External DPDT 8 A Screw - 250 V
RS-stocknr. 896-8695
FabrikantnummerRE22R1KMR
€ 70,30
Each
Aantal stuks
24 → 240 V ac/dc 0.3 → 300 s OFF Delay DIN Rail Single 1 RE22 R1 Seconds External SPDT 5 A Screw 24 V ac/dc 240 V ac/dc
RS-stocknr. 897-6731
FabrikantnummerRE22R2QTMR
€ 70,30
Each
Aantal stuks
24 → 240 V ac/dc 0.05 → 1 s, 0.3 → 3 s, 1 → 10 s, 3 → 30 h, 3 → 30 min, 3 → 30 s, 10 → 100 s, 30 → 300 h, 30 → 300 min, 30 → 300 s Star Delta DIN Rail Single 2 RE22 R2 Hours, Minutes, Seconds External DPDT 8 A Screw 24 V ac/dc 240 V ac/dc
RS-stocknr. 791-2749
FabrikantnummerRE17RMMW
€ 54,75
Each
Aantal stuks
12 → 240 V ac/dc 0.1 s → 100 h - DIN Rail Multi Function 2 RE17 Hours, Minutes, Seconds - SPDT 8 A Screw 12 V ac/dc 240 V ac/dc
RS-stocknr. 791-2739
FabrikantnummerRE17RLMU
€ 40,25
Each
Aantal stuks
24 V dc, 24 → 240 V ac 0.1 s → 100 h Asymmetrical DIN Rail Multi Function 2 RE17 Hours, Minutes, Seconds - SPDT 8 A Screw 24 V ac 24 V dc, 240 V ac
RS-stocknr. 897-6706
FabrikantnummerRE22R1ACMR
€ 55,20
Each
Aantal stuks
24 → 240 V ac/dc 0.05 → 1 s, 0.3 → 3 s, 1 → 10 s, 3 → 30 h, 3 → 30 min, 3 → 30 s, 10 → 100 s, 30 → 300 h, 30 → 300 min, 30 → 300 s OFF Delay, ON Delay DIN Rail Multi Function 1 RE22 R1 Hours, Minutes, Seconds External SPDT 8 A Screw 24 V ac/dc 240 V ac/dc
RS-stocknr. 896-8673
FabrikantnummerRE22R1AMR
€ 55,20
Each
Aantal stuks
24 → 240 V ac/dc 0.05 → 1 s, 0.3 → 3 s, 1 → 10 s, 3 → 30 h, 3 → 30 min, 3 → 30 s, 10 → 100 s, 30 → 300 h, 30 → 300 min, 30 → 300 s ON Delay DIN Rail Single 1 RE22 R1 Hours, Minutes, Seconds External SPDT 8 A Screw 24 V ac/dc 240 V ac/dc