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. 699-7067
Fabrikantnummer7PV1518-1AW30
FabrikantSiemens
35,46 €
Each
Aantal stuks
12 240 V ac/dc 0.05 100 s, 3 100 min, 5 100 h ON Delay DIN Rail Single 1 - Hours, Minutes, Seconds External SPDT 1 (dc) A, 3 (ac) A Screw - 250 V ac/dc
RS-stocknr. 774-0332
Fabrikantnummer88827185
FabrikantCrouzet
69,31 €
Each
Aantal stuks
24 240 V ac, 24 V dc 0.1 s 100 h Flip Flop, Impulse Counter, ON Delay, Safe Guard, Timed Impulse Relay DIN Rail Multi Function 1 - Hours, Minutes, Seconds External SPDT 8 A Screw - -
RS-stocknr. 774-0310
Fabrikantnummer88827135
FabrikantCrouzet
60,90 €
Each
Aantal stuks
24 240 V ac, 24 V dc 0.1 s 100 h OFF Delay DIN Rail Single 1 - Hours, Minutes, Seconds External SPDT 8 A Screw - -
RS-stocknr. 221-086
Fabrikantnummer80.11.0.240.0000
FabrikantFinder
37,40 €
Each
Aantal stuks
24 → 240 V ac/dc 0.1 → 20 min, 0.1 → 20 s, 0.1 → 24 h ON Delay 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. 774-0326
Fabrikantnummer88827503
FabrikantCrouzet
82,91 €
Each
Aantal stuks
12 → 240 V ac/dc 0.1 s → 100 h Asymmetrical, Interval, OFF Delay, ON Delay, ON Pulse, Symmetrical DIN Rail Multi Function 1 - Hours, Minutes, Seconds External SPDT 8 A Cage Clamp - -
RS-stocknr. 308-0784
FabrikantnummerXMW-D1
57,38 €
Each
Aantal stuks
10.5 → 265 V ac/dc 0 → 60 min, 0 → 60 s 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 DIN Rail Multi Function 1 XMW-D1 Seconds External SPDT 8 A Screw 10.5 V ac/dc, 24 V dc 265 V ac/dc
RS-stocknr. 774-0301
Fabrikantnummer88827103
FabrikantCrouzet
74,59 €
Each
Aantal stuks
12 240 V ac/dc 0.1 s 100 h Asymmetrical, Interval, OFF Delay, ON Delay, ON Pulse, Symmetrical DIN Rail Multi Function 1 - Hours, Minutes, Seconds External SPDT 8 A Screw - -
RS-stocknr. 102-6122
FabrikantRS PRO
32,39 €
Each
Aantal stuks
12 → 230 V ac/dc - - DIN Rail Multi Function - - - - SPDT - Screw - -
RS-stocknr. 774-0314
Fabrikantnummer88827145
FabrikantCrouzet
49,49 €
Each
Aantal stuks
24 240 V ac, 24 V dc 0.1 s 100 h Interval DIN Rail Single 1 - Hours, Minutes, Seconds External SPDT 8 A Screw - -
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. 228-784
FabrikantnummerPM4HAH24SJ
FabrikantPanasonic
49,92 €
Each
Aantal stuks
24 V ac/dc 1 s → 500 h Differential ON/OFF Delay, Pulse Flicker, Pulse ON Delay, Pulse ON Flicker, Pulse One Cycle, Pulse One Shot, Signal OFF Delay Chassis Mount Multi Function - - Hours, Seconds External - 5 A Screw - 250 V ac
RS-stocknr. 160-278
FabrikantnummerE1ZI10 12-240V AC/DC
FabrikantTele
50,57 €
Each
Aantal stuks
12 → 240 V ac/dc 50 ms → 100 h Asymmetrical Recycler with Pulse Start DIN Rail Multi Function 1 E1ZI10 Hours, Milliseconds, Minutes, Seconds External SPDT 8 A - - 250 V ac
RS-stocknr. 537-7715
Fabrikantnummer88.02.0.230.0002
FabrikantFinder
65,22 €
Each
Aantal stuks
24 230 V ac/dc 0.05-10 h, 0.05-10 min, 0.05-10 s, 5-100 h ON Delay Chassis Mount Multi Function 2 88 Series Hours, Minutes, Seconds External DPDT 8 A 11-Pin Connector - 264.5 V ac / V dc
RS-stocknr. 812-7875
FabrikantnummerPM4HA-H-24V
FabrikantPanasonic
47,51 €
Each
Aantal stuks
24 V ac/dc 1 s → 500 h Differential ON/OFF Delay, One Shot, Pulse Flicker, Pulse ON Delay, Pulse ON Flicker, Pulse One Cycle, Signal OFF Delay Flush Mount Multi Function 2 - Hours, Minutes, Seconds External DPDT 5 A 11-Pin Connector - -
RS-stocknr. 225-8318
FabrikantnummerETR4-69-A
FabrikantEaton
115,32 €
Each
Aantal stuks
24 → 240 V ac/dc 0.05s → 100h Flash, Fleeting, OFF Delay, ON Delay, Pulse Former, Pulse Generator DIN Rail Multi Function 1 ETR4 Hours, Seconds External SPDT 3 A Screw 24 V ac/dc 240 V dc, 400 V ac
RS-stocknr. 818-4563
Fabrikantnummer1CMDT0
FabrikantGIC
35,19 €
Each
Aantal stuks
12 → 240 V ac/dc 0.1 s → 100 h Accumulative Delay On Signal, Cyclic OFF/ON, Cyclic ON/OFF, Impulse ON/OFF, Leading Edge Bi-stable, Leading Edge Impulse, Signal OFF/ON, Signal ON/OFF Delay, Trailing Edge Impulse DIN Rail Multi Function 1 - Hours, Minutes, Seconds External SPDT 6 A Screw 12 V ac/dc 240 V ac/dc
RS-stocknr. 798-3444
FabrikantRS PRO
52,12 €
Each
Aantal stuks
230 V ac - Interval Clamp Single 1 - Hours, Minutes, Seconds External NC, SPNO - - - 230 V ac
RS-stocknr. 442-9297
Fabrikantnummer1SVR550029R8100
FabrikantABB
66,50 €
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. 102-6123
FabrikantRS PRO
34,68 €
Each
Aantal stuks
12 → 230 V ac/dc - - DIN Rail - - - - - DPDT - Screw - -
RS-stocknr. 687-6092
FabrikantnummerH5CX-A-N
FabrikantOmron
248,00 €
Each
Aantal stuks
100 → 240 V ac 0.001 s → 9999 h Cumulative, Interval, ON/OFF Duty Adjustable Flicker, Power ON Delay I, Power ON Delay II Repeat Cycle I, Repeat Cycle II, Signal OFF Delay, Signal ON Delay I, Signal ON Delay II, Stopwatch Panel Mount Multi Function 1 H5CX Hours, Seconds External - - Screw - -
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