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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Beskrivning Pris 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-artikelnummer 857-7139
Tillv. art.nrDMB51CM24
VarumärkeCarlo Gavazzi
682,47 kr
Each
Enheter
24 → 240 V ac, 24 V 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-artikelnummer 857-7539
Tillv. art.nrDMB51CW24
VarumärkeCarlo Gavazzi
813,62 kr
Each
Enheter
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-artikelnummer 857-7191
Tillv. art.nrDMB01CM24
VarumärkeCarlo Gavazzi
962,54 kr
Each
Enheter
24 → 240 V ac, 24 V 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 8 A Screw - -
RS-artikelnummer 859-3402
Tillv. art.nrPCB01DM24
VarumärkeCarlo Gavazzi
1 649,22 kr
Each
Enheter
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-artikelnummer 857-7094
Tillv. art.nrDAA51CM24
VarumärkeCarlo Gavazzi
586,13 kr
Each
Enheter
24 → 240 V ac, 24 V dc 0.1 s → 100 h ON Delay DIN Rail Single 2 - Hours, Minutes, Seconds External SPDT 5 A Screw - -
RS-artikelnummer 859-3064
Tillv. art.nrDBB01CM24
VarumärkeCarlo Gavazzi
1 057,54 kr
Each
Enheter
24 → 240 V ac/dc 0.1 → 600 s Delay On Release DIN Rail Single 2 - Seconds External SPDT 8 A Screw - -
RS-artikelnummer 859-3068
Tillv. art.nrDCB01CM24
VarumärkeCarlo Gavazzi
1 505,84 kr
Each
Enheter
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 - -
RS-artikelnummer 859-3131
Tillv. art.nrPMB01CM24
VarumärkeCarlo Gavazzi
985,86 kr
Each
Enheter
24 → 240 V ac, 24 V 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 2 - Hours, Minutes, Seconds External SPDT 8 A Plug In - -
RS-artikelnummer 859-3119
Tillv. art.nrFAA08DW24
VarumärkeCarlo Gavazzi
860,15 kr
Each
Enheter
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-artikelnummer 857-7132
Tillv. art.nrDCB51CM24
VarumärkeCarlo Gavazzi
1 242,51 kr
Each
Enheter
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-artikelnummer 859-3049
Tillv. art.nrPMB01DM24
VarumärkeCarlo Gavazzi
1 093,38 kr
Each
Enheter
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-artikelnummer 857-3219
Tillv. art.nrFMB01DW24
VarumärkeCarlo Gavazzi
997,56 kr
Each
Enheter
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-artikelnummer 859-3134
Tillv. art.nrPAA01DM24
VarumärkeCarlo Gavazzi
905,13 kr
Each
Enheter
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-artikelnummer 857-7393
Tillv. art.nrPMC01D115
VarumärkeCarlo Gavazzi
1 838,61 kr
Each
Enheter
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 - -