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. 465-0609
FabrikantnummerIK7817N.81/200 AC/DC12-240V 0.02s-300h
FabrikantDold
120,78 €
Each
Aantal stuks
12 → 240 V ac/dc 0.03 → 300 min, 0.06 → 30 s, 3 → 300 h Clock (TP), Delay (AV), Flash (BI), Fleeting (AW), Fleeting (EW), Make & Break, Pulse Delay (IE), Pulse Shaper (IF), Release Delay (AV/RV) DIN Rail Multi Function 1 IK7817N Hours, Minutes, Seconds External SPDT 4 A - 12 V ac/dc 240 V ac/dc
RS-stocknr. 160-262
FabrikantnummerE1ZMQ10 24-240V AC/DC
FabrikantTele
28,55 €
Each
Aantal stuks
24 → 240 V ac/dc 50 ms → 100 h Flash Pause First, OFF Delay, ON Delay, One Shot Leading Edge Voltage Controlled DIN Rail Multi Function 1 E1ZMQ10 Hours, Milliseconds, Minutes, Seconds External SPDT 8 A - - 250 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. 774-0304
Fabrikantnummer88827105
FabrikantCrouzet
65,50 €
Each
Aantal stuks
24 V dc, 24 → 240 V ac 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. 365-6987
FabrikantnummerH3DS-ML AC/DC
FabrikantOmron
55,30 €
Each
Aantal stuks
24 → 230 V ac, 24 → 48 V dc 0.1 s → 120 h Flicker OFF Start, Flicker ON Start, Interval, ON Delay, One Shot, Signal OFF Delay, Signal ON/OFF Delay DIN Rail Multi Function 1 EF7616. Hours, Seconds External - 5 A Screw - 30 V dc, 250 V ac
RS-stocknr. 828-5158
FabrikantnummerLMMT 12-230V AC/DC
FabrikantBroyce Control
35,24 €
Each
Aantal stuks
12 → 230 V ac/dc 0.1 s → 100 h Delay Off (DN), Delay On (DO), Delay On (DOb), Interval (IN), Interval Leading (INb), Interval Trailing (INa), Symmetrical Recycler OFF/ON (RF) DIN Rail 7 1 - Hours, Minutes, Seconds External SPDT 8 A Screw 12 V ac/dc 265 V ac/dc
RS-stocknr. 446-0327
Fabrikantnummer80.01.0.240.0000
FabrikantFinder
41,43 €
Each
Aantal stuks
12 → 240 V ac/dc 0.1 → 20 min, 0.1 → 20 s, 0.1 → 24 h Interval, Interval with Control Signal ON, OFF Delay with Control Signal, ON & OFF Delay with Control Signal, ON Delay, Symmetrical Flash (Starting Pulse ON) DIN Rail Multi Function 1 80 Series Hours, Minutes, Seconds External SPDT 16A Screw 250 V ac 400 V ac
RS-stocknr. 791-2720
FabrikantnummerRE17RBMU
37,15 €
Each
Aantal stuks
24 V dc, 24 → 240 V ac 0.1 s → 100 h One Shot DIN Rail Single 2 RE17 Hours, Minutes, Seconds - SPDT 8 A Screw 24 V ac 24 V dc, 240 V ac
RS-stocknr. 733-4959
FabrikantnummerH3DK-M2 AC/DC24-240
FabrikantOmron
58,85 €
Each
Aantal stuks
24 → 240 V ac/dc 0.1 s → 1200 h Flicker OFF Start, Flicker ON Start, Interval, OFF Delay, ON Delay, ON/OFF Delay, One Shot Output DIN Rail Multi Function - H3DK Hours, Minutes, Seconds - - 5 A - - 30 V dc, 250 V ac
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. 160-284
FabrikantnummerE1ZM10 12-240V AC/DC
FabrikantTele
56,24 €
Each
Aantal stuks
12 → 240 V ac/dc 50 ms → 100 h Flash Pause First, OFF Delay, ON Delay, ON Delay with Control Contact, One Shot Leading Edge Voltage Controlled, One Shot Leading Edge with Control Contact, One Shot Trailing Edge with Control Contact DIN Rail Multi Function 1 E1ZM10 Hours, Milliseconds, Minutes, Seconds External SPDT 8 A - - 250 V ac
RS-stocknr. 896-6810
FabrikantRS PRO
23,41 €
Each
Aantal stuks
24 V ac/dc, 240 V ac 0.3 s → 30 h ON Delay DIN Rail Single 1 - Seconds External SPDT 5 A Screw - 24 V ac/dc, 240 V ac
RS-stocknr. 113-8134
FabrikantnummerH3CR-A AC100-240/DC100-125
FabrikantOmron
74,10 €
Each
Aantal stuks
100 → 125 V dc, 100 → 240 V ac 0.05 s → 300 h Flicker OFF Start, Flicker ON Start, Interval, ON Delay, One Shot, Signal OFF Delay, Signal ON/OFF Delay DIN Rail, Flush Mount, Surface Mount Multi Function 2 H3CR Hours, Seconds External - 5 A 11-Pin Connector - 125 V dc, 250 V ac
RS-stocknr. 828-5161
FabrikantnummerLESW 12-230V AC/DC
FabrikantBroyce Control
35,24 €
Each
Aantal stuks
12 → 230 V ac/dc 0.1 s → 100 h OFF Delay DIN Rail Single 1 - Hours, Minutes, Seconds External SPDT 8 A Screw 12 V ac/dc 265 V ac/dc
RS-stocknr. 536-2779
FabrikantRS PRO
29,64 €
Each
Aantal stuks
250 V ac 0 → 120 min - Panel Mount - - - - External - - - - -
RS-stocknr. 774-0339
Fabrikantnummer88827014
FabrikantCrouzet
45,59 €
Each
Aantal stuks
24 → 240 V ac/dc 0.1 s → 100 h ON Delay DIN Rail Single 1 - Hours, Minutes, Seconds External Solid State NO/NC 0.7 A Screw - -
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. 328-358
FabrikantnummerH3CR-A8 AC100-240/DC100-125
FabrikantOmron
69,70 €
Each
Aantal stuks
100 → 125 V dc, 100 → 240 V ac 0.05 s → 300 h Flicker ON Start, Interval, ON Delay, One Shot DIN Rail, Flush Mount, Surface Mount Multi Function 2 H3CR Hours, Seconds External - 5 A 8-Pin Connector - 125 V dc, 250 V ac
RS-stocknr. 424-9912
FabrikantnummerMK7850N.82/500 AC/DC12-240V 0.02S-300H
FabrikantDold
155,56 €
Each
Aantal stuks
12 → 240 V ac/dc 0.03 → 300 min, 0.06 → 30 s, 3 → 300 h Delay (AV), Delay (RV), Flash (BI), Fleeting (AW), Fleeting (EW), Pulse Converter (IF), Pulse Delay (IE), Release Relay (AV/RV) DIN Rail Multi Function 2 MK7850N Hours, Minutes, Seconds External DPDT 4 A - 12 V ac/dc 240 V ac/dc
RS-stocknr. 857-7539
FabrikantnummerDMB51CW24
FabrikantCarlo Gavazzi
81,99 €
Each
Aantal stuks
12 → 240 V ac/dc 0.1 s → 100 h Delay On, Delay On Release, Double Interval, Interval, Interval On Trigger Open, Symmetrical Recycler Off, Symmetrical Recycler On DIN Rail Multi Function 2 - Hours, Minutes, Seconds External SPDT 5 A Screw - -
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