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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Description Price 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 Stock No. 467-6875
Mfr. Part No.88886116
BrandCrouzet
PHP5,805.76
Each
units
12 → 240 V dc, 24 → 240 V ac 0.02 → 300 h, 0.02 → 300 min, 0.02 → 300 s A1, A2, D, Di, H1, H2, Q1, Q2 Plug In Multi Function 2 - Hours, Minutes, Seconds External DPDT 5 A 8-Pin Connector 12 V dc, 24 V ac 240 V ac/dc
RS Stock No. 774-0301
Mfr. Part No.88827103
BrandCrouzet
PHP5,725.65
Each
units
12 → 240 V ac/dc 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 Stock No. 774-0317
Mfr. Part No.88827125
BrandCrouzet
PHP4,074.51
Each
units
24 V dc, 24 → 240 V ac 0.1 s → 100 h ON Pulse Timer DIN Rail Single 1 - Hours, Minutes, Seconds External SPDT 8 A Screw - -
RS Stock No. 774-0308
Mfr. Part No.88827115
BrandCrouzet
PHP3,560.18
Each
units
24 V dc, 24 → 240 V ac 0.1 s → 100 h ON Delay DIN Rail Single 1 - Hours, Minutes, Seconds External SPDT 8 A Screw - -
RS Stock No. 774-0323
Mfr. Part No.88827155
BrandCrouzet
PHP5,712.61
Each
units
24 V dc, 24 → 240 V ac 0.1 s → 100 h Asymmetrical DIN Rail Single 1 - Hours, Minutes, Seconds External SPDT 8 A Screw - -
RS Stock No. 467-6897
Mfr. Part No.88886106
BrandCrouzet
PHP4,557.20
Each
units
12 → 240 V dc, 24 → 240 V ac 0.02 → 300 h, 0.02 → 300 min, 0.02 → 300 s ON Delay Plug In Single 2 - Hours, Minutes, Seconds External DPDT 5 A 8-Pin Connector 12 V dc, 24 V ac 240 V ac, 240 V dc
RS Stock No. 774-0339
Mfr. Part No.88827014
BrandCrouzet
PHP3,327.00
Each
units
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 Stock No. 774-0304
Mfr. Part No.88827105
BrandCrouzet
PHP5,103.32
Each
units
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 Stock No. 774-0332
Mfr. Part No.88827185
BrandCrouzet
PHP4,695.17
Each
units
24 V dc, 24 → 240 V ac 0.1 s → 100 h Flip Flop, Impulse Counter, ON Delay, Safe Guard, Timed Impulse Relay DIN Rail Multi Function 1 - Hours, Minutes, Seconds External SPDT 8 A Screw - -
RS Stock No. 774-0326
Mfr. Part No.88827503
BrandCrouzet
PHP5,729.44
Each
units
12 → 240 V ac/dc 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 Cage Clamp - -
RS Stock No. 467-6869
Mfr. Part No.88886016
BrandCrouzet
PHP5,173.11
Each
units
12 → 240 V dc, 24 → 240 V ac 0.02 → 300 h, 0.02 → 300 min, 0.02 → 300 s A, AC, B, BW, C, G, W Plug In Multi Function 2 - Hours, Minutes, Seconds External DPDT 5 A 11-Pin Connector 12 V dc, 24 V ac 240 V ac/dc
RS Stock No. 837-7471
Mfr. Part No.88866175
BrandCrouzet
PHP5,055.94
Each
units
24 V dc, 24 → 240 V ac 0.1 s → 100 h Star Delta DIN Rail Multi Function 2 - Hours, Minutes, Seconds External - 16 A Screw - -
RS Stock No. 182-9961
Mfr. Part No.OU1R10MV1
BrandCrouzet
PHP4,608.49
Each
units
12 → 240 V ac/dc 0.05 → 1 days, 0.05 → 1 h, 0.05 → 1 min, 0.5 → 10 days, 0.5 → 10 h, 0.5 → 10 min, 0.5 → 10 s Interval Plug In Multi Function 1 OU1R - - SPDT 10 A Plug In 12 V ac/dc 240 V ac/dc
RS Stock No. 166-3808
Mfr. Part No.MDE1R0524U
BrandCrouzet
PHP6,630.93
Each
units
24 V ac/dc 0.001 → 9.999 s, 0.01 → 99.99 s, 0.1 → 999.9 h, 0.1 → 999.9 min, 0.1 → 999.9 s, 1 min → 99 h 59 min, 1 s → 99 min 59 s, 1 → 9999 h, 1 → 9999 min, 1 → 9999 s Interval, Off Delay (Delay on Break), On Delay (Delay on Make), One Shot, Symmetrical Flashing (Off Start), Symmetrical Flashing (On Start) Panel Mount Multi Function 1 Syr-Line Hours, Minutes, Seconds External SPDT 5 A Plug-In - 24 V ac/dc
RS Stock No. 349-6858
Mfr. Part No.88865265
BrandCrouzet
PHP6,533.15
Each
units
24 V dc, 24 → 240 V ac 0.6 → 160 s OFF Delay DIN Rail Single 2 - Hours, Minutes, Seconds External DPDT 8 A Screw 24 V ac 24 V dc, 240 V ac
RS Stock No. 182-9962
Mfr. Part No.OA2R10MV1
BrandCrouzet
PHP4,303.38
Each
units
12 → 240 V ac/dc 0.05 → 1 days, 0.05 → 1 h, 0.05 → 1 min, 0.5 → 10 days, 0.5 → 10 h, 0.5 → 10 min, 0.5 → 10 s Interval Plug In Multi Function 2 OA2R - - SPDT 10 A Plug In 12 V ac/dc 240 V ac/dc
RS Stock No. 166-3814
Mfr. Part No.GDS2R10MV2
BrandCrouzet
PHP12,233.70
Each
units
24 → 240 V ac/dc 0.001 → 9.999 s, 0.01 → 99.99 s, 0.1 → 999.9 h, 0.1 → 999.9 min, 0.1 → 999.9 s, 1 min → 99 h 59 min, 1 s → 99 min 59 s, 1 → 9999 h, 1 → 9999 min, 1 → 9999 s Delay on Start, Delayed Interval, Interval, Interval Summation Time Relay, Off Delay (Delay on Break), On Delay (Delay on Make, On Delay (Delay on Make), On/Off Delay (Delay on Make/Break), One Shot, Recycler (Off Start), Recycler (On Start), Summation Time Relay, Symmetrical Flashing (Off Start), Symmetrical Flashing (On Start), Timing after Pulse of Control Contact, Total memory One Delay) Panel Mount Multi Function 2 Syr-Line Hours, Minutes, Seconds External DPDT 10 A Plug-In 24 V ac/dc 240 V ac/dc
RS Stock No. 182-9966
Mfr. Part No.PA2R10MV1
BrandCrouzet
PHP3,819.33
Each
units
12 → 240 V ac/dc 0.05 → 1 days, 0.05 → 1 h, 0.05 → 1 min, 0.5 → 10 days, 0.5 → 10 h, 0.5 → 10 min, 0.5 → 10 s Interval Plug In Multi Function 2 PA2R - - SPDT 10 A Plug In 12 V ac/dc 240 V ac/dc
RS Stock No. 774-0310
Mfr. Part No.88827135
BrandCrouzet
PHP4,011.52
Each
units
24 V dc, 24 → 240 V ac 0.1 s → 100 h OFF Delay DIN Rail Single 1 - Hours, Minutes, Seconds External SPDT 8 A Screw - -
RS Stock No. 774-0314
Mfr. Part No.88827145
BrandCrouzet
PHP3,643.93
Each
units
24 V dc, 24 → 240 V ac 0.1 s → 100 h Interval DIN Rail Single 1 - Hours, Minutes, Seconds External SPDT 8 A Screw - -