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 Mounting Type Time Range Mode of Operation Number of Contacts Number of Timer Functions Series Contact Configuration Time Increment Power Supply Maximum Voltage Current Maximum Terminal Type Minimum Voltage
RS-stocknr. 465-0609
FabrikantnummerIK7817N.81/200 AC/DC12-240V 0.02s-300h
FabrikantDold
120,78 €
Each
Aantal stuks
12 → 240V ac/dc DIN Rail 0.03 → 300 min, 0.06 → 30 s, 3 → 300h - 1 Multi Function IK7817N SPDT Hours, Minutes, Seconds External 240V ac/dc 4A - 12V ac/dc
RS-stocknr. 160-262
FabrikantnummerE1ZMQ10 24-240V AC/DC
FabrikantTele
39,69 €
Each
Aantal stuks
24 → 240V ac/dc DIN Rail 50 ms → 100h Flash Pause First, OFF Delay, ON Delay, One Shot Leading Edge Voltage Controlled 1 Multi Function E1ZMQ10 SPDT Hours, Milliseconds, Minutes, Seconds External 250V ac 8A - -
RS-stocknr. 914-5070
FabrikantnummerRENF22R2MMW
76,50 €
Each
Aantal stuks
12 → 240V ac/dc DIN Rail 0.1 s → 100h - 2 Multi Function Zelio DPDT Hours, Minutes, Seconds External 240V ac/dc 8A Screw 12V ac/dc
RS-stocknr. 774-0304
Fabrikantnummer88827105
FabrikantCrouzet
66,48 €
Each
Aantal stuks
24 → 240 V ac, 24V dc DIN Rail 0.1 s → 100h Asymmetrical, Interval, OFF Delay, ON Delay, ON Pulse, Symmetrical 1 Multi Function - SPDT Hours, Minutes, Seconds External - 8A Screw -
RS-stocknr. 365-6987
FabrikantnummerH3DS-ML AC/DC
FabrikantOmron
57,30 €
Each
Aantal stuks
24 → 230 V ac, 24 → 48V dc DIN Rail 0.1 s → 120h Flicker OFF Start, Flicker ON Start, Interval, ON Delay 1 Multi Function EF7616. - Hours, Seconds External 30 V dc, 250V ac 5A Screw -
RS-stocknr. 828-5158
FabrikantnummerLMMT 12-230V AC/DC
FabrikantBroyce Control
37,43 €
Each
Aantal stuks
24 to 230 V ac/12 to 230V dc DIN Rail 0.1 s → 100h - 1 Multi Function - SPDT Hours, Minutes, Seconds External 265V ac/dc 8A Screw 24 Vac / 12V dc
RS-stocknr. 446-0327
Fabrikantnummer80.01.0.240.0000
FabrikantFinder
64,80 €
Each
Aantal stuks
12 → 240V ac/dc DIN Rail 0.1 → 20 min, 0.1 → 20 s, 0.1 → 24h - 1 Multi Function 80 Series SPDT Hours, Minutes, Seconds External 400V ac 16A Screw 250V ac
RS-stocknr. 733-4959
FabrikantnummerH3DK-M2 AC/DC24-240
FabrikantOmron
60,35 €
Each
Aantal stuks
24 → 240V ac/dc DIN Rail 0.1 s → 100h Flicker OFF Start, Flicker ON Start, Interval, OFF Delay, ON Delay, ON/OFF Delay, One Shot Output - Multi Function H3DK - Hours, Minutes, Seconds - 30 V dc, 250V ac 5A - -
RS-stocknr. 791-2720
FabrikantnummerRE17RBMU
33,44 €
Each
Aantal stuks
24 V dc, 24 → 240V ac DIN Rail 0.1 s → 100h One Shot 2 Single RE17 SPDT Hours, Minutes, Seconds - 24 V dc, 240V ac 8A Screw 24V ac
RS-stocknr. 791-2711
FabrikantnummerRE17RAMU
36,23 €
Each
Aantal stuks
24 V dc, 24 → 240V ac DIN Rail 0.1 s → 100h ON Delay 2 Multi Function RE17 SPDT Hours, Minutes, Seconds - 24 V dc, 240V ac 8A Screw 24V ac
RS-stocknr. 160-284
FabrikantnummerE1ZM10 12-240V AC/DC
FabrikantTele
70,66 €
Each
Aantal stuks
12 → 240V ac/dc DIN Rail 50 ms → 100h Flash Pause First, OFF Delay, ON Delay, One Shot Leading Edge Voltage Controlled 1 Multi Function E1ZM10 SPDT Hours, Milliseconds, Minutes, Seconds External 250V ac 8A - -
RS-stocknr. 113-8134
FabrikantnummerH3CR-A AC100-240/DC100-125
FabrikantOmron
76,05 €
Each
Aantal stuks
100 → 125 V dc, 100 → 240V ac - 0.05 s → 300h Flicker OFF Start, Flicker ON Start, Interval, ON Delay 2 Multi Function H3CR - Hours, Seconds External 125 V dc, 250V ac 5A 11-Pin Connector -
RS-stocknr. 896-6810
FabrikantRS PRO
28,58 €
Each
Aantal stuks
24 V ac/dc, 240V ac DIN Rail 0.3 s → 30h ON Delay 1 Single - SPDT Seconds External 24 V ac/dc, 240V ac 5A Screw -
RS-stocknr. 828-5161
FabrikantnummerLESW 12-230V AC/DC
FabrikantBroyce Control
36,70 €
Each
Aantal stuks
12 → 230V ac/dc DIN Rail 0.1 s → 100h OFF Delay 1 Single - SPDT Hours, Minutes, Seconds External 265V ac/dc 8A Screw 12V ac/dc
RS-stocknr. 536-2779
FabrikantRS PRO
37,15 €
Each
Aantal stuks
250V ac Panel Mount 0 → 120min - - - - - - External - - - -
RS-stocknr. 424-9912
FabrikantnummerMK7850N.82/500 AC/DC12-240V 0.02S-300H
FabrikantDold
155,56 €
Each
Aantal stuks
12 → 240V ac/dc DIN Rail 0.03 → 300 min, 0.06 → 30 s, 3 → 300h - 2 Multi Function MK7850N DPDT Hours, Minutes, Seconds External 240V ac/dc 4A - 12V ac/dc
RS-stocknr. 791-2749
FabrikantnummerRE17RMMW
49,28 €
Each
Aantal stuks
12 → 240V ac/dc DIN Rail 0.1 s → 100h - 2 Multi Function RE17 SPDT Hours, Minutes, Seconds - 240V ac/dc 8A Screw 12V ac/dc
RS-stocknr. 328-358
FabrikantnummerH3CR-A8 AC100-240/DC100-125
FabrikantOmron
71,50 €
Each
Aantal stuks
100 → 125 V dc, 100 → 240V ac - 0.05 s → 300h Flicker ON Start, Interval, ON Delay, One Shot 2 Multi Function H3CR - Hours, Seconds External 125 V dc, 250V ac 5A - -
RS-stocknr. 774-0339
Fabrikantnummer88827014
FabrikantCrouzet
46,27 €
Each
Aantal stuks
24 → 240V ac/dc DIN Rail 0.1 s → 100h ON Delay 1 Single - - Hours, Minutes, Seconds External - 0.7A Screw -
RS-stocknr. 857-7539
FabrikantnummerDMB51CW24
FabrikantCarlo Gavazzi
83,22 €
Each
Aantal stuks
12 → 240V ac/dc DIN Rail 0.1 s → 100h - 2 Multi Function - SPDT Hours, Minutes, Seconds External - 5A Screw -