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 Mounting Type Number of Timer Functions Number of Contacts Series Time Increment Power Supply Contact Configuration Current Maximum Terminal Type Minimum Voltage Maximum Voltage Contact Material
RS Stock No. 832-5518
Mfr. Part No.GT5Y-2SN1D24
BrandIdec
TWD1,297.00
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RS Stock No. 832-5423
Mfr. Part No.GT3A-2AD24
BrandIdec
TWD1,882.00
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RS Stock No. 832-5521
Mfr. Part No.GT5Y-2SN3A200
BrandIdec
TWD1,199.00
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RS Stock No. 832-5401
Mfr. Part No.GE1A-B10-HAD24
BrandIdec
TWD944.00
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RS Stock No. 832-5408
Mfr. Part No.GE1A-B10-HA220
BrandIdec
TWD929.00
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RS Stock No. 832-5427
Mfr. Part No.GT3A-2AF20
BrandIdec
TWD2,008.00
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RS Stock No. 832-5534
Mfr. Part No.GT5Y-4SN1A200
BrandIdec
TWD1,124.00
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RS Stock No. 832-5506
Mfr. Part No.GT5Y-2SN1A24
BrandIdec
TWD1,200.00
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RS Stock No. 832-5552
Mfr. Part No.GT5Y-4SN6A100
BrandIdec
TWD1,188.00
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RS Stock No. 832-5467
Mfr. Part No.GT3A-6AF20
BrandIdec
TWD1,877.00
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RS Stock No. 832-5515
Mfr. Part No.GT5Y-2SN1D12
BrandIdec
TWD1,325.00
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RS Stock No. 832-5420
Mfr. Part No.GT3A-1AF20
BrandIdec
TWD1,694.00
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RS Stock No. 832-5405
Mfr. Part No.GE1A-C10-HA110
BrandIdec
TWD893.00
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RS Stock No. 832-5473
Mfr. Part No.GT3F-2AD24
BrandIdec
TWD2,240.00
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RS Stock No. 832-5546
Mfr. Part No.GT5Y-4SN1D24
BrandIdec
TWD1,200.00
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RS Stock No. 832-5486
Mfr. Part No.GT3F-2EAF20
BrandIdec
TWD2,453.00
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RS Stock No. 832-5417
Mfr. Part No.GE9Z-AD
BrandIdec
TWD78.00
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RS Stock No. 832-5455
Mfr. Part No.GT3A-5EAF20
BrandIdec
TWD2,223.00
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RS Stock No. 832-5458
Mfr. Part No.GT3A-4AF20
BrandIdec
TWD1,732.00
Each
units
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RS Stock No. 832-5537
Mfr. Part No.GT5Y-2SN6D24
BrandIdec
TWD1,425.00
Each
units
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