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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รายละเอียดสินค้า / Description ราคา / 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. 746-5189
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.3RP1576-1NP30
Brand :Siemens
THB5,236.49
Each
Units
24 V ac/dc, 200 → 240V ac 3 → 60s - DIN Rail Single 2 - Seconds External SPNO - Screw 24V ac/dc 250 V dc, 400V ac
RS Stock No. 897-6700
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.RE22R2ACMR
THB3,310.26
Each
Units
24 → 240V ac/dc 0.05 → 1 s, 0.3 → 3 s, 1 → 10 s, 3 → 30 h, 3 → 30 min, 3 → 30 s, 10 → 100 s, 30 → 300 h, 30 → 300 min, 30 → 300s - DIN Rail Multi Function 2 RE22 R2 Hours, Minutes, Seconds External DPDT 8A Screw 24V ac/dc 240V ac/dc
RS Stock No. 897-6738
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.RE22R1QCMU
THB2,257.02
Each
Units
24 → 240V ac/dc 0.05 → 300s - DIN Rail Single 1 RE22 R1 Seconds External SPDT 8A Screw 24V ac/dc 240V ac/dc
RS Stock No. 328-358
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.H3CR-A8 AC100-240/DC100-125
Brand :Omron
THB4,041.03
Each
Units
100 → 125 V dc, 100 → 240V ac 0.05 s → 300h - - Multi Function 2 H3CR Hours, Seconds External - 5A - - 125 V dc, 250V ac
RS Stock No. 897-6734
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.RE22R2QGMR
THB3,464.47
Each
Units
24 → 240V ac/dc 0.05 → 1 s, 0.3 → 3 s, 1 → 10 s, 3 → 30 h, 3 → 30 min, 3 → 30 s, 10 → 100 s, 30 → 300 h, 30 → 300 min, 30 → 300s - DIN Rail Single 2 RE22 R2 Hours, Minutes, Seconds External DPDT 8A Screw 24V ac/dc 240V ac/dc
RS Stock No. 746-5110
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.3RP1505-1AW30
Brand :Siemens
THB7,739.79
Each
Units
24 → 240V ac/dc 1.5 → 30s - DIN Rail Multi Function 1 - Seconds External SPDT - Screw 24V ac/dc 250 V dc, 400V ac
RS Stock No. 392-7223
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.3RP1505-1BP30
Brand :Siemens
THB36,395.50
Each
Units
24 V ac, 24V dc, 200 → 240 V ac 0.5 → 10s - - Multi Function - - Seconds External DPDT - Screw - -
RS Stock No. 113-8134
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.H3CR-A AC100-240/DC100-125
Brand :Omron
THB4,051.39
Each
Units
100 → 125 V dc, 100 → 240V ac 0.05 s → 300h - - Multi Function 2 H3CR Hours, Seconds External - 5A 11-Pin Connector - 125 V dc, 250V ac
RS Stock No. 791-2711
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.RE17RAMU
THB1,735.23
Each
Units
24 V dc, 24 → 240V ac 0.1 s → 100h - DIN Rail Multi Function 2 RE17 Hours, Minutes, Seconds - SPDT 8A Screw 24V ac 24 V dc, 240V ac
RS Stock No. 160-262
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.E1ZMQ10 24-240V AC/DC
Brand :Tele
THB1,593.33
Each
Units
24 → 240V ac/dc 50 ms → 100h - DIN Rail Multi Function 1 E1ZMQ10 Hours, Milliseconds, Minutes, Seconds External SPDT 8A - - 250V ac
RS Stock No. 236-1307
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.H3YN-2 AC24
Brand :Omron
THB2,197.95
Each
Units
24V ac 0.1 s → 10min - - Multi Function 2 H3YN Minutes, Seconds External - 5A Socket - 250V ac
RS Stock No. 328-364
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.H3CR-A8 AC24-48/DC12-48
Brand :Omron
THB3,126.10
Each
Units
12 → 48 V dc, 24 → 48V ac 0.05 s → 300h - - Multi Function 2 H3CR Hours, Seconds External - 5A - - 125 V dc, 250V ac
RS Stock No. 349-1285
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.H3YN-2 AC100-120
Brand :Omron
THB2,869.76
Each
Units
100 → 120V ac 0.1 s → 10min - - Multi Function 2 H3YN Minutes, Seconds External - 5A Socket - 250V ac
RS Stock No. 225-8295
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.031884 & ETR4-51-A
Brand :Eaton
THB3,646.72
Each
Units
24 → 240V ac/dc 3 → 60s - DIN Rail Single 2 ETR4 Seconds External SPNO 3A Screw 24V ac/dc 240 V dc, 400V ac
RS Stock No. 733-4925
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.H3DKGEAC240440
Brand :Omron
THB1,663.21
Each
Units
240 → 440V ac 1 → 12 s, 10 → 120s - DIN Rail Single - H3DK Seconds - - 1.5A - 120V ac 440V ac
RS Stock No. 897-6706
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.RE22R1ACMR
THB2,747.67
Each
Units
24 → 240V ac/dc 0.05 → 1 s, 0.3 → 3 s, 1 → 10 s, 3 → 30 h, 3 → 30 min, 3 → 30 s, 10 → 100 s, 30 → 300 h, 30 → 300 min, 30 → 300s - DIN Rail Multi Function 1 RE22 R1 Hours, Minutes, Seconds External SPDT 8A Screw 24V ac/dc 240V ac/dc
RS Stock No. 896-8676
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.RE22R2AMR
THB3,710.16
Each
Units
24 → 240V ac/dc 0.05 → 1 s, 0.3 → 3 s, 1 → 10 s, 3 → 30 h, 3 → 30 min, 3 → 30 s, 10 → 100 s, 30 → 300 h, 30 → 300 min, 30 → 300s - DIN Rail Single 2 RE22 R2 Hours, Minutes, Seconds External DPDT 8A Screw 24V ac/dc 240V ac/dc
RS Stock No. 398-6200
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.UMT500ML
Brand :Tempatron
THB4,850.97
Each
Units
12 → 24V ac/dc 00:01 → 99.59 h, 00:01 → 99.59min, 0.1 → 999.9 s - DIN Rail Multi Function 1 - Hours, Minutes, Seconds External - 5A - - 30V dc, 240 V ac
RS Stock No. 872-5805
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.RE22R2AMU
THB2,660.35
Each
Units
24 → 240 V ac, 24V dc 0.1 s → 100h - DIN Rail Multi Function 4 RE22 R2 Hours, Minutes, Seconds External DPDT 8A Screw - -
RS Stock No. 687-6092
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.H5CX-A-N
Brand :Omron
THB8,099.13
Each
Units
100 → 240V ac 0.001 s → 9999h - Panel Mount Multi Function 1 H5CX Hours, Seconds External - - Screw - -