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. 733-4928
FabrikantnummerH3DK-F AC/DC24-240
FabrikantOmron
€ 83,05
Each
Aantal stuks
24 → 240 V ac/dc 0.1 → 1.2 s, 1 → 12 h, 1 → 12 min, 1 → 12 s, 10 → 120 h, 10 → 120 min, 10 → 120 s, 100 → 1200 h Flicker OFF Start, Flicker ON Start DIN Rail Multi Function - H3DK Hours, Minutes, Seconds - - 5 A - - 24 V dc, 250 V ac
RS-stocknr. 113-8128
FabrikantnummerH3CR-A AC24-48/DC12-48
FabrikantOmron
€ 75,25
Each
Aantal stuks
12 → 48 V dc, 24 → 48 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. 340-392
FabrikantnummerH3Y-4 DC24 10S
FabrikantOmron
€ 39,11
Each
Aantal stuks
24 V dc 0.5 → 10 s ON Delay DIN Rail, Surface Mount Single 4 H3Y-4 Seconds External - 5 A - - 250 V ac
RS-stocknr. 905-3485
FabrikantnummerTMSTA440
FabrikantLovato
€ 85,05
Each
Aantal stuks
380 → 440 V 0.1 s → 10 m Star Delta Time Relay DIN Rail Single 2 - Minutes, Seconds External DPNO 8 A Screw - -
RS-stocknr. 733-4953
FabrikantnummerH3DK-S1 AC/DC24-240
FabrikantOmron
€ 45,37
Each
Aantal stuks
24 → 240 V ac/dc 0.1 s → 1200 h Flicker ON Start, Interval, ON Delay, One Shot Output DIN Rail Multi Function - H3DK Hours, Minutes, Seconds - SPDT 5 A Screw 24 V 30 V dc, 250 V ac
RS-stocknr. 733-4962
FabrikantnummerH3DK-S2 AC/DC24-240
FabrikantOmron
€ 54,35
Each
Aantal stuks
24 → 240 V ac/dc 0.1 → 1.2 s, 1 → 12 h, 1 → 12 min, 1 → 12 s, 10 → 120 h, 10 → 120 min, 10 → 120 s, 100 → 1200 h Flicker ON Start, Interval, ON Delay, One Shot Output DIN Rail Multi Function - H3DK Hours, Minutes, Seconds - - 5 A - - 30 V dc, 250 V ac
RS-stocknr. 774-0308
Fabrikantnummer88827115
FabrikantCrouzet
€ 47,40
Each
Aantal stuks
24 240 V ac, 24 V dc 0.1 s 100 h ON Delay DIN Rail Single 1 - Hours, Minutes, Seconds External SPDT 8 A Screw - -
RS-stocknr. 340-409
FabrikantnummerH3Y-4 DC24 30S ..
FabrikantOmron
€ 46,12
Each
Aantal stuks
24 V dc 1 → 30 s ON Delay DIN Rail, Surface Mount Single 4 H3Y-4 Seconds External - 5 A - - 250 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. 774-0317
Fabrikantnummer88827125
FabrikantCrouzet
€ 60,15
Each
Aantal stuks
24 240 V ac, 24 V dc 0.1 s 100 h ON Pulse Timer DIN Rail Single 1 - Hours, Minutes, Seconds External SPDT 8 A Screw - -
RS-stocknr. 225-8267
FabrikantnummerETR4-11-A
FabrikantEaton
€ 82,42
Each
Aantal stuks
24 → 240 V ac/dc 0.05 s → 60 h ON Delay DIN Rail Single 1 ETR4 Hours, Seconds External SPDT 3 A Screw 24 V ac/dc 240 V dc, 400 V ac
RS-stocknr. 872-5805
FabrikantnummerRE22R2AMU
€ 54,00
Each
Aantal stuks
24 240 V ac, 24 V dc 0.1 s 100 h ON Delay DIN Rail Multi Function 4 RE22 R2 Hours, Minutes, Seconds External DPDT 8 A Screw - -
RS-stocknr. 159-565
Fabrikantnummer85.04.0.012.0000
FabrikantFinder
€ 39,86
Each
Aantal stuks
12 V ac/dc 0.05 → 100s, 0.5 → 100h, 0.5 → 100min Interval, On Delay, Pulse Delayed, Symmetrical Flasher Plug In Multi Function 4 85 Series Hours, Minutes, Seconds External 4PDT 7 A 14-Pin Connector - 13.2 V ac/dc
RS-stocknr. 896-8676
FabrikantnummerRE22R2AMR
€ 70,30
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 ON Delay DIN Rail Single 2 RE22 R2 Hours, Minutes, Seconds External DPDT 8 A Screw 24 V ac/dc 240 V ac/dc
RS-stocknr. 825-4545
FabrikantnummerH3BA-N 110 VAC
FabrikantOmron
€ 98,01
Each
Aantal stuks
110 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. 160-228
FabrikantnummerG2ZMF11 24-240VAC/DC
FabrikantTele
€ 72,48
Each
Aantal stuks
24 → 240 V ac/dc 50 ms → 30 days Flash Pause First, Flash Pulse First, OFF Delay with Control Input, ON Delay, ON Delay with Control Contact, One Shot Leading Edge Voltage Controlled, One Shot Leading Edge with Control Input, One Shot Trailing Edge with Control Input DIN Rail Multi Function 2 G2ZMF11 Days, Hours, Milliseconds, Minutes, Seconds External DPDT 5 A - - 250 V ac
RS-stocknr. 825-4549
FabrikantnummerH3BA-N8H 110 VAC
FabrikantOmron
€ 103,23
Each
Aantal stuks
110 V ac 0.05 s → 300 h ON Delay Flush Mount, Panel Mount Single 1 H3BA Hours, Minutes, Seconds External SPDT 5 A PCB Pin 100 V ac 240 V ac
RS-stocknr. 798-3514
FabrikantnummerV2ZM10 12-240V AC/DC
FabrikantTele
€ 67,35
Each
Aantal stuks
12 → 240 V ac/dc 0.05 → 1 s, 0.15 → 3 s, 0.5 → 10 h, 0.5 → 10 min, 0.5 → 10 s, 1.5 → 30 s, 3 → 60 min, 3 → 60 s, 5 → 100 h, 9 → 180 s Interval DIN Rail Multi Function 1 V2ZM10 - Internal SPDT 0.1 (DC-13) A, 1.5 (AC-15) A, 8 (AC-1) A, 8 (DC-12) A Screw - -
RS-stocknr. 897-6734
FabrikantnummerRE22R2QGMR
€ 70,30
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 Star Delta DIN Rail Single 2 RE22 R2 Hours, Minutes, Seconds External DPDT 8 A Screw 24 V ac/dc 240 V ac/dc
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
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