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庫存編號 456-0310
製造零件編號1SBN020010R1001 TE5S-24
BrandABB
TWD2,793.00
單位
24V ac/dc 0.8 → 8 s, 6 → 60s - DIN Rail Single - - Seconds External - 5A Screw 24V ac 240V ac
RS庫存編號 185-097
製造零件編號1SVR500110R0100 - CT-AHD.22
BrandABB
TWD3,926.00
單位
24 → 240 V ac, 24 → 48V dc 0.05 s → 100h - DIN Rail Single 2 - Hours, Seconds External DPDT 6A - 12V 250V
RS庫存編號 746-6971
製造零件編號1SVR730010R3200 CT-MBS.22S
BrandABB
TWD3,573.00
單位
- - - - - - - - - - - - - -
RS庫存編號 783-4005
製造零件編號1SVR730180R3100
BrandABB
TWD3,451.00
單位
- 0.05 s → 300h - DIN Rail Single 1 - Hours, Seconds - SPDT - Screw 24V ac/dc 48 V dc, 240V ac
RS庫存編號 746-7090
製造零件編號1SVR730180R3100 CT-APS.12S
BrandABB
TWD3,285.00
單位
24 → 240 V ac, 24 → 48V dc 0.05 s → 300h - DIN Rail Single 1 - Hours, Seconds External SPDT 4A Push In 12V 300V ac
RS庫存編號 746-7097
製造零件編號1SVR740211R2300 CT-SDS.23P
BrandABB
TWD3,574.00
單位
380 → 440V ac 0.05 s → 10min - DIN Rail Single 2 - Minutes, Seconds External DPNO 4A Push In 12V 300V ac
RS庫存編號 442-9168
製造零件編號1SVR550019R0000
BrandABB
TWD2,635.00
單位
24 → 240V ac/dc 0.1 → 300s - DIN Rail Multi Function - - Seconds External - - - - -
RS庫存編號 746-6999
製造零件編號1SVR730030R3300 CT-MXS.22S
BrandABB
TWD5,029.00
單位
- - - - - - - - - - - - - -
RS庫存編號 746-7043
製造零件編號1SVR740020R0200 CT-MVS.21P
BrandABB
TWD5,178.00
單位
24 → 240V ac/dc 0.05 s → 300h - DIN Rail Multi Function 2 - Hours, Seconds External DPDT 4A Push In 12V 300V ac
RS庫存編號 746-7107
製造零件編號1SVR500020R1100 CT-MFD.21
BrandABB
TWD3,803.00
單位
12 → 24V ac/dc 0.05 s → 100h - DIN Rail Multi Function 2 - Hours, Seconds External DPDT 5A Screw 12V 250V ac
RS庫存編號 442-9045
製造零件編號1SVR550107R4100
BrandABB
TWD1,612.00
單位
24V ac/dc, 200 → 240 V ac 0.3 → 30s - DIN Rail Single 1 - Seconds External SPDT 4A - - 250V
RS庫存編號 746-7065
製造零件編號1SVR740100R0300 CT-ERS.21P
BrandABB
TWD3,670.00
單位
24 → 240V ac/dc 0.05 s → 300h - DIN Rail Single 2 - Hours, Seconds External DPDT 4A Push In 12V 300V ac
RS庫存編號 456-0326
製造零件編號1SBN020010R1002 TE5S-120
BrandABB
TWD2,795.00
單位
110 → 120V ac 0.8 → 60s - DIN Rail Single - - Seconds External - 4A Screw - 230V ac
RS庫存編號 442-9398
製造零件編號1SVR550217R4100
BrandABB
TWD1,906.00
單位
24 V ac/dc, 200 → 240V ac 0.3 → 30s - DIN Rail Single 2 - Seconds External SPDT 4A - - 250V
RS庫存編號 442-9354
製造零件編號1SVR550127R4100
BrandABB
TWD2,536.00
單位
24 V ac/dc, 200 → 240V ac 0.3 → 30s - DIN Rail Single 1 - Seconds External SPDT - - - -
RS庫存編號 746-7025
製造零件編號1SVR730180R3100 CT-APS.12S
BrandABB
TWD3,190.00
單位
24 → 240 V ac, 24 → 48V dc 0.05 s → 300h - DIN Rail Single 1 - Hours, Seconds External SPDT 4A Screw 12V 300V ac
RS庫存編號 442-8890
製造零件編號1SVR550137R1100
BrandABB
TWD1,698.00
單位
24V ac/dc, 200 → 240 V ac 0.1 → 10s - DIN Rail Single 1 - Seconds External SPDT 4A - - 250V ac/dc
RS庫存編號 456-0332
製造零件編號1SBN020010R1003 TE5S-240
BrandABB
TWD2,795.00
單位
220 → 240V ac 0.8 → 8 s, 6 → 60s - DIN Rail Single - - Seconds External - 5A Screw 24V ac 240V ac
RS庫存編號 746-7075
製造零件編號1SVR740120R3300 CT-ARS.21P
BrandABB
TWD5,273.00
單位
24 → 240V ac/dc 0.05 s → 10min - DIN Rail Single 2 - Minutes, Seconds External DPDT 4A Push In 12V 300V ac
全新
RS庫存編號 210-4287
製造零件編號1SVR508020R0000 CT-MFC.12
BrandABB
TWD2,084.00
單位
24 - 240V ac 0.05 s - 100h - - Multi Function 1 CT-C - Internal - - - - -