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. 260-448
FabrikantnummerXM-D2
58,03 €
Each
Aantal stuks
10.5 → 265 V ac/dc 0.6 → 60 min ON Delay, ON Pulse, Symmetrical Recycler with Pause Start, Symmetrical Recycler with Pulse Start DIN Rail Multi Function 2 XM-D2 Minutes External DPDT 8 A Screw 10.5 V ac/dc, 24 V dc 265 V ac/dc
RS-stocknr. 536-2555
FabrikantRS PRO
27,55 €
Each
Aantal stuks
- 0 30 min - Panel Mount - - - - External - - - - -
RS-stocknr. 221-092
Fabrikantnummer80.41.0.240.0000
FabrikantFinder
38,84 €
Each
Aantal stuks
24 → 240 V ac/dc 0.1 → 20 min, 0.1 → 20 s, 0.1 → 24 h OFF Delay with Control Signal DIN Rail Single 1 80 Series Hours, Minutes, Seconds External SPDT 16 A Screw 16.8 V ac/dc 265 V ac/dc
RS-stocknr. 442-9398
Fabrikantnummer1SVR550217R4100
FabrikantABB
50,00 €
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. 831-6053
Fabrikantnummer3RP2540-1AW30
FabrikantSiemens
135,90 €
Each
Aantal stuks
12 240 V ac/dc 0.05 600 s OFF Delay - Single 1 - Seconds - SPDT - Screw 12 V ac/dc 240 V ac/dc
RS-stocknr. 459-4408
FabrikantnummerCT2-A30 / U
FabrikantReleco
107,57 €
Each
Aantal stuks
180 265 V ac/dc 0.2 30 min, 0.2 30 s Switch OFF Delay Plug In Single - - Minutes, Seconds External - - 8-Pin Connector 180 V ac/dc 265 V ac/dc
RS-stocknr. 857-7094
FabrikantnummerDAA51CM24
FabrikantCarlo Gavazzi
59,07 €
Each
Aantal stuks
24 V dc, 24 → 240 V ac 0.1 s → 100 h ON Delay DIN Rail Single 2 - Hours, Minutes, Seconds External SPDT 5 A Screw - -
RS-stocknr. 392-7188
Fabrikantnummer3RP1574-1NP30
FabrikantSiemens
110,70 €
Each
Aantal stuks
200 → 240 V 1 → 20 s WYE Delta - Single 2 - Seconds External SPDT - Screw - -
RS-stocknr. 896-6822
FabrikantRS PRO
25,49 €
Each
Aantal stuks
24 V ac/dc, 240 V ac 0.3 s → 30 h OFF Delay DIN Rail Single 1 - Seconds External SPDT 5 A Screw - 24 V ac/dc, 240 V ac
RS-stocknr. 872-5817
FabrikantnummerRE22R2MMU
64,15 €
Each
Aantal stuks
24 240 V ac 0.1 s 100 h Multi Function DIN Rail Multi Function 4 RE22 R2 Hours, Minutes, Seconds External DPDT 8 A Screw - -
RS-stocknr. 733-4921
FabrikantnummerH3DKGACDC24240
FabrikantOmron
62,05 €
Each
Aantal stuks
24 240 V ac/dc 1 12 s, 10 120 s Star Delta DIN Rail Single - H3DK Seconds - - 5 A - - 24 V dc, 250 V ac
RS-stocknr. 825-4558
FabrikantnummerH3BA-NAC220V
FabrikantOmron
131,69 €
Each
Aantal stuks
220 V ac 0.05 s → 300 h Flicker OFF Start, Flicker ON Start, Interval, ON Delay, Signal OFF Delay, Signal ON/OFF Delay Flush Mount, Panel Mount Multi Function 2 H3BA Hours, Minutes, Seconds External DPDT 5 A PCB Pin 100 V ac 240 V ac
RS-stocknr. 812-7897
FabrikantnummerPM4HM-H-AC240V
FabrikantPanasonic
62,50 €
Each
Aantal stuks
100 240 V ac 1 s 500 h One Shot, Power Flicker, Power ON Delay, Power One Cycle Flush Mount Multi Function 2 - Hours, Minutes, Seconds External DPDT 5 A 8-Pin Connector - -
RS-stocknr. 329-222
FabrikantnummerXM-S2
56,35 €
Each
Aantal stuks
10.5 → 265 V ac/dc 0.6 → 60 min Asymmetrical Recycler with Pause Start, Asymmetrical Recycler with Pulse Start, Delay Pulse, OFF Pulse, ON Delay, ON Pulse, ON Pulse with Control Switch, One Shot Asymmetrical with Control Switch, One Shot Asymmetrical without Control Switch, Release Delay, Release True OFF Delay, Symmetrical Recycler with Pause Start, Symmetrical Recycler with Pulse Start Plug In Multi Function 2 XM-S2 Minutes External DPDT 8 A 11-Pin Connector 10.5 V ac/dc, 24 V dc 265 V ac/dc
RS-stocknr. 896-6879
FabrikantRS PRO
86,92 €
Each
Aantal stuks
110 240 V ac 0.1 s 999 Days Multi Function Panel Mount Multi Function 2 - Days, Hours, Minutes, Seconds External DPDT 5 A PCB Pin 110 V ac 240 V ac
RS-stocknr. 896-8692
FabrikantnummerRE22R1CMR
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 DIN Rail Single 1 RE22 R1 Hours, Minutes, Seconds External SPDT 8 A Screw 24 V ac/dc 240 V ac/dc
RS-stocknr. 746-5114
Fabrikantnummer3RP1505-1BQ30
FabrikantSiemens
184,50 €
Each
Aantal stuks
24 V dc, 100 127 V ac 5 100 s - DIN Rail Multi Function 2 - Seconds External DPDT 1 (dc) A, 3 (ac) A Screw 24 V ac/dc 250 V dc, 400 V ac
RS-stocknr. 746-5123
Fabrikantnummer3RP1505-1BT20
FabrikantSiemens
196,20 €
Each
Aantal stuks
400 440 V ac 1.5 30 min - DIN Rail Multi Function 2 - Minutes External DPDT 1 (dc) A, 3 (ac) A Screw 24 V ac/dc 250 V dc, 400 V ac
RS-stocknr. 798-3448
FabrikantRS PRO
60,23 €
Each
Aantal stuks
10 → 30 V dc - Interval Clamp Single 1 - Hours, Minutes, Seconds External NC, SPNO - - 10 V dc 30 V dc
RS-stocknr. 102-6125
FabrikantRS PRO
34,31 €
Each
Aantal stuks
12 230 V ac/dc - ON Delay DIN Rail - - - - - DPDT - Screw - -
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