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. 857-7139
FabrikantnummerDMB51CM24
FabrikantCarlo Gavazzi
€ 68,78
Each
Aantal stuks
24 V dc, 24 → 240 V ac 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 - -
RS-stocknr. 857-7132
FabrikantnummerDCB51CM24
FabrikantCarlo Gavazzi
€ 125,21
Each
Aantal stuks
24 V dc, 24 → 240 V ac 0.1 s → 100 h Asymmetrical Recycler with Pulse Start DIN Rail Multi Function 2 - Hours, Minutes, Seconds External SPDT 5 A Screw - -
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. 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 - -
RS-stocknr. 857-3219
FabrikantnummerFMB01DW24
FabrikantCarlo Gavazzi
€ 100,53
Each
Aantal stuks
12 → 240 V ac/dc 0.05 s → 300 h Delay On Operate, Delay On Release, Double Interval, Interval, Interval on Trigger Open, Symmetrical Recycler Off First, Symmetrical Recycler On First Plug In Multi Function 4 - Hours, Minutes, Seconds External DPDT 8 A Plug In - -
RS-stocknr. 859-3131
FabrikantnummerPMB01CM24
FabrikantCarlo Gavazzi
€ 99,35
Each
Aantal stuks
24 V dc, 24 → 240 V ac 0.1 s → 100 h Delay On, Delay On Release, Double Interval, Interval, Interval On Trigger Open, Symmetrical Recycler Off, Symmetrical Recycler On Plug In Multi Function 2 - Hours, Minutes, Seconds External SPDT 8 A Plug In - -
RS-stocknr. 859-3134
FabrikantnummerPAA01DM24
FabrikantCarlo Gavazzi
€ 91,21
Each
Aantal stuks
24 → 240 V ac/dc 0.1 s → 100 h ON Delay Plug In Single 2 - Hours, Minutes, Seconds External SPDT 8 A Plug In - -
RS-stocknr. 859-3402
FabrikantnummerPCB01DM24
FabrikantCarlo Gavazzi
€ 166,20
Each
Aantal stuks
24 → 240 V ac/dc 0.1 s → 100 h Asymmetrical Recycler with Pulse Start Plug In Multi Function 2 - Hours, Minutes, Seconds External SPDT 8 A Plug In - -
RS-stocknr. 859-3049
FabrikantnummerPMB01DM24
FabrikantCarlo Gavazzi
€ 110,19
Each
Aantal stuks
24 → 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 Plug In Multi Function 4 - Hours, Minutes, Seconds External DPDT 8 A Plug In - -
RS-stocknr. 859-3064
FabrikantnummerDBB01CM24
FabrikantCarlo Gavazzi
€ 106,57
Each
Aantal stuks
24 → 240 V ac/dc 0.1 → 600 s Delay On Release DIN Rail Single 2 - Seconds External SPDT 8 A Screw - -
RS-stocknr. 859-3119
FabrikantnummerFAA08DW24
FabrikantCarlo Gavazzi
€ 86,68
Each
Aantal stuks
12 → 240 V ac/dc 0.05 s → 300 h Delay On Operate, Interval, One Shot, Symmetrical Recycler On First Plug In Multi Function 4 - Hours, Minutes, Seconds External DPDT 8 A Plug In - -
RS-stocknr. 857-7191
FabrikantnummerDMB01CM24
FabrikantCarlo Gavazzi
€ 97,00
Each
Aantal stuks
24 V dc, 24 → 240 V ac 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 8 A Screw - -
RS-stocknr. 857-7393
FabrikantnummerPMC01D115
FabrikantCarlo Gavazzi
€ 185,29
Each
Aantal stuks
115 V ac 0.1 s → 100 h Delay On Automatic and Manual Start, Delay On Manual Start, Interval Automatic and Manual Start, Interval Manual Start, Interval with No Time Reset Automatic and Manual Start, Interval with No Time Reset Manual Start Plug In Multi Function 2 - Hours, Minutes, Seconds External SPDT 8 A Plug In - -
RS-stocknr. 859-3068
FabrikantnummerDCB01CM24
FabrikantCarlo Gavazzi
€ 151,75
Each
Aantal stuks
24 V dc, 24 → 240 V ac 0.1 s → 100 h Asymmetrical Recycler with Pulse Start DIN Rail Multi Function 2 - Hours, Minutes, Seconds External SPDT 8 A Screw - -