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. 221-080
Mfr. Part No.80.61.0.240.0000
BrandFinder
SGD163.64
Each
units
24 → 240 V ac/dc 0.05 → 180 s Power Off Delay (True Off) DIN Rail Single 1 80 Series Seconds External SPDT 16 A Screw 16.8 V ac/dc 242 V dc, 265 V ac
RS Stock No. 759-6659
Mfr. Part No.83.41.0.240.0000
BrandFinder
SGD72.76
Each
units
24 → 240 V ac/dc 0.05-10 s, 0.05-10 h, 0.05-10 min, 0.05-10 d OFF Delay with Control Signal DIN Rail Single 1 83 Series Days, Hours, Minutes, Seconds External SPDT 0.12 A - 16.8 V ac/dc 265 V ac / V dc
RS Stock No. 759-6646
Mfr. Part No.83.11.0.240.0000
BrandFinder
SGD73.44
Each
units
24 → 240 V ac/dc 0.05-10 min, 0.05-10 d, 0.05-10 h, 0.05-10 s ON Delay DIN Rail Single 1 83 Series Days, Hours, Minutes, Seconds External SPDT 16 A - 16.8 V ac/dc 265 V ac / V dc
RS Stock No. 221-086
Mfr. Part No.80.11.0.240.0000
BrandFinder
SGD84.01
Each
units
24 → 240 V ac/dc 0.1 → 20 s, 0.1 → 20 min, 0.1 → 24 h ON Delay DIN Rail Single 1 80 Series Hours, Minutes, Seconds External SPDT 16 A Screw 16.8 V ac/dc 265 V ac/dc
RS Stock No. 759-6656
Mfr. Part No.83.82.0.240.0000
BrandFinder
SGD102.09
Each
units
24 → 240 V ac/dc 0.05-10 min, 0.05-10 s, 0.05-10 d, 0.05-10 h Star Delta DIN Rail Single 2 83 Series Days, Hours, Minutes, Seconds External DPNO 16 A - 16.8 V ac/dc 265 V ac / V dc
RS Stock No. 446-0327
Mfr. Part No.80.01.0.240.0000
BrandFinder
SGD120.13
Each
units
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 Stock No. 537-7721
Mfr. Part No.88.12.0.230.0002
BrandFinder
SGD105.21
Each
units
24 → 230 V ac/dc 0.05-10 min, 0.05-10 h, 0.05-10 s, 5-100 h Interval (1 Timed + 1 Instantaneous Contact), Interval (2 Timed Contacts), On Delay (1 Timed + 1 Instantaneous Contact), On Delay (2 Timed Contacts), Pulse Delayed, Symmetrical Flasher (Starting Pulse ON) Chassis Mount Multi Function 2 88 Series Hours, Minutes, Seconds External DPDT 8 A 8-Pin Connector 20.4 V ac/dc 264.5 V ac / V dc
RS Stock No. 884-0718
Mfr. Part No.83.52.0.240.0000
BrandFinder
SGD117.35
Each
units
24 → 240 V ac 0.05 s → 10 days AE, BEp, DEp, EEa, FE, GE, IT, SHp DIN Rail Multi Function 2 83 Series Days, Hours, Minutes, Seconds External DPDT 30 A Screw - -
RS Stock No. 537-7715
Mfr. Part No.88.02.0.230.0002
BrandFinder
SGD105.21
Each
units
24 → 230 V ac/dc 0.05-10 s, 0.05-10 h, 0.05-10 min, 5-100 h ON Delay Chassis Mount Multi Function 2 88 Series Hours, Minutes, Seconds External DPDT 8 A 11-Pin Connector - 264.5 V ac / V dc
RS Stock No. 123-2800
Mfr. Part No.84.02.0.024.0000
BrandFinder
SGD210.46
Each
units
12 → 24 V ac/dc 0.1 s → 9999 h Multi Function DIN Rail Multi Function 2 84 Series Hours, Minutes, Seconds External DPDT 16 A Screw 12 V ac/dc 24 V ac/dc
RS Stock No. 221-092
Mfr. Part No.80.41.0.240.0000
BrandFinder
SGD87.77
Each
units
24 → 240 V ac/dc 0.1 → 20 s, 0.1 → 20 min, 0.1 → 24 h OFF Delay with Control Signal DIN Rail Single 1 80 Series Hours, Minutes, Seconds External SPDT 16 A Screw 16.8 V ac/dc 265 V ac/dc
RS Stock No. 450-4714
Mfr. Part No.85.02.0.024.0000
BrandFinder
SGD56.49
Each
units
24 V ac/dc 0.05 → 100 s, 3 → 100 min, 5 → 100 h Interval, ON Delay, Pulse Delay, Symmetrical Flash Snap-On Multi Function 2 85 Series Hours, Minutes, Seconds External DPDT 15 A 8-Pin Connector 250 V ac 400 V ac
RS Stock No. 759-6643
Mfr. Part No.83.02.0.240.0000
BrandFinder
SGD169.17
Each
units
24 → 240 V ac/dc 0.05-10 h, 0.05-10 s, 0.05-10 min, 0.05-10 d ON Delay DIN Rail Multi Function 2 83 Series Days, Hours, Minutes, Seconds External SPDT 12 A - 16.8 V ac/dc 265 V ac / V dc
RS Stock No. 159-600
Mfr. Part No.85.04.0.125.0000
BrandFinder
SGD67.03
Each
units
110 → 125 V ac/dc 0.05 → 100s, 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 93.5 V ac/dc 137.5 V ac/dc
RS Stock No. 450-4736
Mfr. Part No.85.04.0.024.0000
BrandFinder
SGD81.16
Each
units
24 V ac/dc 0.05 → 100 s, 3 → 100 min, 5 → 100 h Interval, ON Delay, Pulse Delay, Symmetrical Flash Plug In Multi Function 4 85 Series Hours, Minutes, Seconds External 4PDT 7 A 14-Pin Connector - 250 V ac
RS Stock No. 511-7232
Mfr. Part No.80.82.0.240.0000
BrandFinder
SGD80.16
Each
units
12 → 120 V ac/dc 0.1 → 20 min, 0.1 → 20 s Star Delta DIN Rail Single 2 80 Series Minutes, Seconds External DPNO 10 A Screw 250 V ac -
RS Stock No. 759-6652
Mfr. Part No.83.62.0.240.0000
BrandFinder
SGD111.04
Each
units
24 → 240 V ac/dc 0.05-180 s Power OFF Delay DIN Rail Single 2 83 Series Seconds External SPDT 8 A - 16.8 V ac/dc 265/242 V ac / V dc
RS Stock No. 450-4720
Mfr. Part No.85.02.8.240.0000
BrandFinder
SGD62.29
Each
units
230 → 240 V ac/dc 0.05 → 100 s, 3 → 100 min, 5 → 100 h Interval, ON Delay, Pulse Delay, Symmetrical Flash Snap-On Multi Function 2 85 Series Hours, Minutes, Seconds External DPDT 15 A 8-Pin Connector 250 V ac 400 V ac
RS Stock No. 759-6634
Mfr. Part No.83.01.0.240.0000
BrandFinder
SGD92.54
Each
units
24 → 240 V ac/dc 0.05-10 s, 0.05-10 d, 0.05-10 min, 0.05-10 h ON Delay DIN Rail Multi Function 1 83 Series Days, Hours, Minutes, Seconds External SPDT 16 A - 24 V ac/dc 265 V ac / V dc
RS Stock No. 759-6640
Mfr. Part No.83.21.0.240.0000
BrandFinder
SGD70.23
Each
units
24 → 240 V ac/dc 0.05-10 min, 0.05-10 h, 0.05-10 d, 0.05-10 s Interval DIN Rail Single 1 83 Series Days, Hours, Minutes, Seconds External SPDT 16 A - 16.8 V ac/dc 265 V ac / V dc