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. 308-0784
Mfr. Part No.XMW-D1
TWD2,009.00
Each
units
10.5 → 265V ac/dc 0 → 60 min, 0 → 60s - DIN Rail Multi Function 1 XMW-D1 Seconds External SPDT 8A Screw 10.5 V ac/dc, 24V dc 265V ac/dc
RS Stock No. 329-137
Mfr. Part No.XM-S1
TWD1,806.00
Each
units
10.5 → 265V ac/dc 0.6 → 60min - Plug In Multi Function 1 XM-S1 Minutes External SPDT 8A 11-Pin Connector 10.5 V ac/dc, 24V dc 265V ac/dc
RS Stock No. 329-238
Mfr. Part No.XW-S2
TWD2,156.00
Each
units
10.5 → 265V ac/dc 0.6 → 60 min, 0.6 → 60s - Plug In Multi Function 2 XW-S2 Minutes, Seconds External DPDT 8A 11-Pin Connector 10.5 V ac/dc, 24V dc 265V ac/dc
RS Stock No. 224-1297
Mfr. Part No.XMW-D1.H
TWD2,101.00
Each
units
10.5 → 265V ac/dc 0.6-6 hrs, 0.6-6 min, 6-60 hrs, 6-60min - DIN Rail Multi Function 1 XMW-D1 Hours, Minutes External SPDT 8A - 10.5 V ac/dc, 24V dc 265V ac/dc
RS Stock No. 308-0790
Mfr. Part No.XMW-S1
TWD2,224.00
Each
units
10.5 → 265V ac/dc 0.6 min → 60 h, 0.6 s → 60min - Plug In Multi Function 1 XMW-S1 Hours, Minutes External SPDT 8A 11-Pin Connector 10.5 V ac/dc, 24V dc 265V ac/dc
RS Stock No. 329-216
Mfr. Part No.XT-S1
TWD2,163.00
Each
units
10.5 → 265V ac/dc - - Plug In Multi Function 1 XT-S1 Hours, Minutes External SPDT 8A 11-Pin Connector 10.5 V ac/dc, 24V dc 265V ac/dc
RS Stock No. 341-373
Mfr. Part No.XM-D1
TWD1,875.00
Each
units
10.5 → 265V ac/dc 0.6 → 60min - DIN Rail Multi Function 1 XM-D1 Minutes External SPDT 8A Screw 10.5 V ac/dc, 24V dc 265V ac/dc
RS Stock No. 329-200
Mfr. Part No.XW-S1
TWD1,957.00
Each
units
10.5 → 265V ac/dc 0.6 → 60 min, 0.6 → 60s - Plug In Multi Function 1 XW-S1 Minutes, Seconds External SPDT 8A 11-Pin Connector 10.5 V ac/dc, 24V dc 265V ac/dc
RS Stock No. 260-448
Mfr. Part No.XM-D2
TWD2,061.00
Each
units
10.5 → 265V ac/dc 0.6 → 60min - DIN Rail Multi Function 2 XM-D2 Minutes External DPDT 8A Screw 10.5 V ac/dc, 24V dc 265V ac/dc
RS Stock No. 341-395
Mfr. Part No.XT-D1
TWD2,238.00
Each
units
10.5 → 265V ac/dc 0.6 min → 60 min, 0.6 s → 60s - DIN Rail Multi Function 1 XT-D1 Hours, Minutes External SPDT 8A Screw 10.5 V ac/dc, 24V dc 265V ac/dc
RS Stock No. 341-389
Mfr. Part No.XW-D1
TWD2,033.00
Each
units
10.5 → 265V ac/dc 0.6 → 60 min, 0.6 → 60s - DIN Rail Multi Function 1 XW-D1 Minutes, Seconds External SPDT 8A Screw 10.5 V ac/dc, 24V dc 265V ac/dc
RS Stock No. 329-222
Mfr. Part No.XM-S2
TWD2,000.00
Each
units
10.5 → 265V ac/dc 0.6 → 60min - Plug In Multi Function 2 XM-S2 Minutes External DPDT 8A 11-Pin Connector 10.5 V ac/dc, 24V dc 265V ac/dc