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. 442-9297
Fabrikantnummer1SVR550029R8100
FabrikantABB
64,36 €
Each
Aantal stuks
24 → 240 V ac/dc 0.05 s → 100 h Flash Start with OFF, Flash Start with ON, Impulse ON, OFF Delay, ON Delay, Pulse Former DIN Rail Multi Function 1 - Hours, Seconds External SPDT 4 A Screw - 250 V ac/dc
RS-stocknr. 746-7047
Fabrikantnummer1SVR740020R3100
FabrikantABB
87,34 €
Each
Aantal stuks
24 → 240 V ac, 24 → 48 V dc 0.05 s → 300 h Accumulative ON Delay, Flash Start with OFF, Flash Start with ON, Impulse OFF with Auxiliary Voltage, Impulse ON, OFF Delay with Auxiliary Voltage, ON Delay, Pulse Former, Symmetrical OFF Delay, Symmetrical ON Delay DIN Rail Multi Function 1 - Hours, Seconds External SPDT 4 A Push In 12 V 300 V ac
RS-stocknr. 442-9398
Fabrikantnummer1SVR550217R4100
FabrikantABB
47,30 €
Each
Aantal stuks
24 V ac/dc, 200 → 240 V ac 0.3 → 30 s ON Delay DIN Rail Single 2 - Seconds External SPDT 4 A - - 250 V
RS-stocknr. 746-7090
Fabrikantnummer1SVR730180R3100
FabrikantABB
71,24 €
Each
Aantal stuks
24 → 240 V ac, 24 → 48 V dc 0.05 s → 300 h OFF Delay DIN Rail Single 1 - Hours, Seconds External SPDT 4 A Push In 12 V 300 V ac
RS-stocknr. 783-4005
Fabrikantnummer1SVR730180R3100
FabrikantABB
74,10 €
Each
Aantal stuks
- 0.05 s → 300 h OFF Delay DIN Rail Single 1 - Hours, Seconds - SPDT 50 mA Screw 24 V ac/dc 48 V dc, 240 V ac
RS-stocknr. 185-025
Fabrikantnummer1SVR500211R0100 - CT-SDD.22
FabrikantABB
59,72 €
Each
Aantal stuks
24 → 240 V ac, 24 → 48 V dc 0.05 s → 10 min Star Delta DIN Rail Single 2 - Minutes, Seconds External DPNO 6 A - 12 V 250 V
RS-stocknr. 489-7202
Fabrikantnummer1SVR500160R0000
FabrikantABB
67,54 €
Each
Aantal stuks
24 → 240 V ac, 24 → 48 V dc 0.05 s → 100 h Pulse Generator DIN Rail Single 1 - Hours, Seconds External SPDT 6 A Screw 12 V 250 V
RS-stocknr. 746-7012
Fabrikantnummer1SVR730110R3300
FabrikantABB
77,24 €
Each
Aantal stuks
24 → 240 V ac, 24 → 48 V dc 0.05 s → 300 h OFF Delay DIN Rail Single 2 - Hours, Seconds External DPDT 4 A Screw 12 V 300 V ac
RS-stocknr. 746-7053
Fabrikantnummer1SVR740030R3300
FabrikantABB
112,29 €
Each
Aantal stuks
24 → 240 V ac, 24 → 48 V dc 0.05 s → 300 h Asymmetrical Recycler with Pulse Start DIN Rail Multi Function 2 - Hours, Seconds External DPDT 4 A Push In 12 V 300 V ac
RS-stocknr. 746-7015
Fabrikantnummer1SVR730120R3300
FabrikantABB
111,03 €
Each
Aantal stuks
24 → 240 V ac/dc 0.05 s → 10 min OFF Delay without Auxiliary Voltage DIN Rail Single 2 - Minutes, Seconds External DPDT 4 A Screw 12 V 300 V ac
RS-stocknr. 746-6977
Fabrikantnummer1SVR730010R0200
FabrikantABB
109,02 €
Each
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 746-7006
Fabrikantnummer1SVR730100R0300
FabrikantABB
77,24 €
Each
Aantal stuks
24 → 240 V ac/dc - - DIN Rail - - - - - - - - - -
RS-stocknr. 489-7167
Fabrikantnummer1SVR500100R0000
FabrikantABB
52,50 €
Each
Aantal stuks
24 → 240 V ac, 24 → 48 V dc 0.05 s → 100 h ON Delay DIN Rail Single 1 - Hours, Seconds External SPDT 6 A Screw 12 V 250 V
RS-stocknr. 746-7056
Fabrikantnummer1SVR740020R3300
FabrikantABB
97,74 €
Each
Aantal stuks
24 → 240 V ac, 24 → 48 V dc 0.05 s → 300 h Accumulative ON Delay, Flash Start with OFF, Flash Start with ON, Impulse OFF with Auxiliary Voltage, Impulse ON, OFF Delay with Auxiliary Voltage, ON Delay, Pulse Former, Star Delta Changeover with Impulse, Symmetrical OFF Delay, Symmetrical ON Delay DIN Rail Multi Function 2 - Hours, Seconds External DPDT 4 A Push In 12 V 300 V ac
RS-stocknr. 746-7078
Fabrikantnummer1SVR740100R3300
FabrikantABB
69,15 €
Each
Aantal stuks
24 → 240 V ac, 24 → 48 V dc 0.05 s → 300 h ON Delay DIN Rail Single 2 - Hours, Seconds External DPDT 4 A Push In 12 V 300 V ac
RS-stocknr. 746-7037
Fabrikantnummer1SVR730211R2300
FabrikantABB
75,21 €
Each
Aantal stuks
380 → 440 V ac 0.05 s → 10 min Star Delta Changeover DIN Rail Single 2 - Minutes, Seconds External DPNO 4 A Screw 12 V 300 V ac
RS-stocknr. 746-6980
Fabrikantnummer1SVR730020R0200
FabrikantABB
109,02 €
Each
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 746-6971
Fabrikantnummer1SVR730010R3200
FabrikantABB
94,89 €
Each
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 442-9354
Fabrikantnummer1SVR550127R4100
FabrikantABB
68,26 €
Each
Aantal stuks
24 V ac/dc, 200 → 240 V ac 0.3 → 30 s OFF Delay DIN Rail Single 1 - Seconds External SPDT - - - -
RS-stocknr. 442-9382
Fabrikantnummer1SVR550167R1100
FabrikantABB
47,30 €
Each
Aantal stuks
24 V ac/dc, 200 → 240 V ac 0.1 → 10 s Flash DIN Rail Single 1 - Seconds External SPDT - - - -