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 341-389
製造零件編號XW-D1
HK$515.60
單位
10.5 → 265 V ac/dc 0.6 → 60 min, 0.6 → 60 s ON Pulse without Control Switch DIN Rail Multi Function 1 XW-D1 Minutes, Seconds External SPDT 8 A Screw 10.5 V ac/dc, 24 V dc 265 V ac/dc
RS庫存編號 329-137
製造零件編號XM-S1
HK$470.29
單位
10.5 → 265 V ac/dc 0.6 → 60 min Asymmetrical Recycler with Pause Start, Asymmetrical Recycler with Pulse Start, Delay Pulse, OFF Pulse, ON Delay, ON Pulse, ON Pulse with Control Switch, One Shot Asymmetrical with Control Switch, One Shot Asymmetrical without Control Switch, Release Delay, Release True OFF Delay, Symmetrical Recycler with Pause Start, Symmetrical Recycler with Pulse Start Plug In Multi Function 1 XM-S1 Minutes External SPDT 8 A 11-Pin Connector 10.5 V ac/dc, 24 V dc 265 V ac/dc
RS庫存編號 308-0784
製造零件編號XMW-D1
HK$516.76
單位
10.5 → 265 V ac/dc 0 → 60 min, 0 → 60 s Asymmetrical Recycler with Pause Start, Asymmetrical Recycler with Pulse Start, Delay Pulse, OFF Pulse, ON Delay, ON Pulse, ON Pulse with Control Switch, One Shot Asymmetrical with Control Switch, One Shot Asymmetrical without Control Switch, Release Delay, Release True OFF Delay, Symmetrical Recycler with Pause Start, Symmetrical Recycler with Pulse Start DIN Rail Multi Function 1 XMW-D1 Seconds External SPDT 8 A Screw 10.5 V ac/dc, 24 V dc 265 V ac/dc
RS庫存編號 329-200
製造零件編號XW-S1
HK$509.58
單位
10.5 → 265 V ac/dc 0.6 → 60 min, 0.6 → 60 s ON Pulse without Control Switch Plug In Multi Function 1 XW-S1 Minutes, Seconds External SPDT 8 A 11-Pin Connector 10.5 V ac/dc, 24 V dc 265 V ac/dc
RS庫存編號 341-373
製造零件編號XM-D1
HK$486.40
單位
10.5 → 265 V ac/dc 0.6 → 60 min ON Delay, ON Pulse, Symmetrical Recycler with Pause Start, Symmetrical Recycler with Pulse Start DIN Rail Multi Function 1 XM-D1 Minutes External SPDT 8 A Screw 10.5 V ac/dc, 24 V dc 265 V ac/dc
RS庫存編號 260-448
製造零件編號XM-D2
HK$534.84
單位
10.5 → 265 V ac/dc 0.6 → 60 min ON Delay, ON Pulse, Symmetrical Recycler with Pause Start, Symmetrical Recycler with Pulse Start DIN Rail Multi Function 2 XM-D2 Minutes External DPDT 8 A Screw 10.5 V ac/dc, 24 V dc 265 V ac/dc
RS庫存編號 308-0790
製造零件編號XMW-S1
HK$427.30
單位
10.5 → 265 V ac/dc 0.6 min → 60 h, 0.6 s → 60 min Asymmetrical Recycler with Pause Start, Asymmetrical Recycler with Pulse Start, Delay Pulse, OFF Pulse, ON Delay, ON Pulse, ON Pulse with Control Switch, One Shot Asymmetrical with Control Switch, One Shot Asymmetrical without Control Switch, Release Delay, Release True OFF Delay, Symmetrical Recycler with Pause Start, Symmetrical Recycler with Pulse Start Plug In Multi Function 1 XMW-S1 Hours, Minutes External SPDT 8 A 11-Pin Connector 10.5 V ac/dc, 24 V dc 265 V ac/dc
RS庫存編號 329-222
製造零件編號XM-S2
HK$507.43
單位
10.5 → 265 V ac/dc 0.6 → 60 min Asymmetrical Recycler with Pause Start, Asymmetrical Recycler with Pulse Start, Delay Pulse, OFF Pulse, ON Delay, ON Pulse, ON Pulse with Control Switch, One Shot Asymmetrical with Control Switch, One Shot Asymmetrical without Control Switch, Release Delay, Release True OFF Delay, Symmetrical Recycler with Pause Start, Symmetrical Recycler with Pulse Start Plug In Multi Function 2 XM-S2 Minutes External DPDT 8 A 11-Pin Connector 10.5 V ac/dc, 24 V dc 265 V ac/dc
RS庫存編號 329-216
製造零件編號XT-S1
HK$535.45
單位
10.5 → 265 V ac/dc 0.6 sec → 60 mins Asymmetrical Recycler with Pause Start, Asymmetrical Recycler with Pulse Start Plug In Multi Function 1 XT-S1 Hours, Minutes External SPDT 8 A 11-Pin Connector 10.5 V ac/dc, 24 V dc 265 V ac/dc
RS庫存編號 329-238
製造零件編號XW-S2
HK$465.07
單位
10.5 → 265 V ac/dc 0.6 → 60 min, 0.6 → 60 s ON Pulse without Control Switch Plug In Multi Function 2 XW-S2 Minutes, Seconds External DPDT 8 A 11-Pin Connector 10.5 V ac/dc, 24 V dc 265 V ac/dc
RS庫存編號 341-395
製造零件編號XT-D1
HK$524.23
單位
10.5 → 265 V ac/dc 0.6 min → 60 min, 0.6 s → 60 s Asymmetrical Recycler with Pause Start, Asymmetrical Recycler with Pulse Start DIN Rail Multi Function 1 XT-D1 Hours, Minutes External SPDT 8 A Screw 10.5 V ac/dc, 24 V dc 265 V ac/dc
RS庫存編號 224-1297
製造零件編號XMW-D1.H
HK$492.01
單位
10.5 → 265 V ac/dc 0.6-6 hrs, 0.6-6 min, 6-60 hrs, 6-60 min Asymmetrical Recycler with Pause Start, Asymmetrical Recycler with Pulse Start, Delay Pulse, OFF Pulse, ON Delay, ON Pulse, ON Pulse with Control Switch, One Shot Asymmetrical with Control Switch, One Shot Asymmetrical without Control Switch, Release Delay, Release True OFF Delay, Symmetrical Recycler with Pause Start, Symmetrical Recycler with Pulse Start DIN Rail Multi Function 1 XMW-D1 Hours, Minutes External SPDT 8 A Screw Connection 10.5 V ac/dc, 24 V dc 265 V ac/dc