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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Nombre de résultats par page
Description Prix 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
N° de stock RS 228-784
Référence fabricantPM4HAH24SJ
MarquePanasonic
49,92 €
Each
Unité
24 V ac/dc 1 s → 500 h Differential ON/OFF Delay, Pulse Flicker, Pulse ON Delay, Pulse ON Flicker, Pulse One Cycle, Pulse One Shot, Signal OFF Delay Chassis Mount Multi Function - - Hours, Seconds External - 5 A Screw - 250 V ac
N° de stock RS 812-7875
Référence fabricantPM4HA-H-24V
MarquePanasonic
47,51 €
Each
Unité
24 V ac/dc 1 s → 500 h Differential ON/OFF Delay, One Shot, Pulse Flicker, Pulse ON Delay, Pulse ON Flicker, Pulse One Cycle, Signal OFF Delay Flush Mount Multi Function 2 - Hours, Minutes, Seconds External DPDT 5 A 11-Pin Connector - -
N° de stock RS 228-841
Référence fabricantLT4H-AC240VS
MarquePanasonic
109,46 €
Each
Unité
100 240 V ac 0 9999 h, 0 9999 min, 0 9999 s Power ON Delay, Pulse ON Delay, Pulse One Shot, Signal Flicker, Signal OFF Delay, Signal ON Delay, Totalizing ON Delay Flush Mount Multi Function - - Hours, Minutes, Seconds External - 5 A Screw - 250 V ac
N° de stock RS 812-7897
Référence fabricantPM4HM-H-AC240V
MarquePanasonic
62,50 €
Each
Unité
100 240 V ac 1 s 500 h One Shot, Power Flicker, Power ON Delay, Power One Cycle Flush Mount Multi Function 2 - Hours, Minutes, Seconds External DPDT 5 A 8-Pin Connector - -
N° de stock RS 812-7923
Référence fabricantPM4HF8-S-AC120V
MarquePanasonic
74,28 €
Each
Unité
100 120 V ac 1 10 s Power OFF Delay Flush Mount Single 2 - Seconds External DPDT 5 A 8-Pin Connector - -
N° de stock RS 812-7917
Référence fabricantPM4HS-H-DC12V
MarquePanasonic
43,62 €
Each
Unité
12 V dc 1 s → 500 h Power ON Delay Flush Mount Single 2 - Hours, Minutes, Seconds External DPDT 5 A 8-Pin Connector - -
N° de stock RS 228-891
Référence fabricantPM4HAH24J
MarquePanasonic
45,66 €
Each
Unité
24 V ac/dc 1 s → 500 h Differential ON/OFF Delay, Pulse Flicker, Pulse ON Delay, Pulse ON Flicker, Pulse One Cycle, Pulse One Shot, Signal OFF Delay Chassis Mount Multi Function - - Hours, Seconds External - 5 A 11-Pin Connector - 250 V ac
N° de stock RS 812-7894
Référence fabricantLT4HW-AC240VS
MarquePanasonic
126,73 €
Each
Unité
100 240 V ac 99.99 s 9999 h Delay One Shot, Flicker OFF Start, Flicker ON Start Flush Mount Multi Function 2 - Hours, Minutes, Seconds External SPDT 5 A Screw - -
N° de stock RS 812-7908
Référence fabricantLT4HWT-AC240VS
MarquePanasonic
120,24 €
Each
Unité
100 240 V ac 99.99 s 9999 h Delay One Shot, Flicker OFF Start, Flicker ON Start Flush Mount Multi Function 2 - Hours, Minutes, Seconds External Transistorised N/O 100 mA Screw - -
N° de stock RS 812-7967
Référence fabricantPM4HS-H-DC12VW
MarquePanasonic
43,62 €
Each
Unité
12 V dc 1 s → 500 h Power ON Delay Flush Mount Single 2 - Hours, Minutes, Seconds External DPDT 5 A 8-Pin Connector - -
N° de stock RS 812-7926
Référence fabricantLT4H8-AC24V
MarquePanasonic
108,50 €
Each
Unité
24 V ac 9.999 s → 999.9 h Power ON Delay, Pulse ON Delay, Pulse One Shot, Signal Flicker, Signal OFF Delay, Signal ON Delay, Totalizing ON Delay Flush Mount Multi Function 2 - Hours, Minutes, Seconds External SPDT 5 A 8-Pin Connector - -
N° de stock RS 812-7914
Référence fabricantLT4H8-AC240V
MarquePanasonic
107,81 €
Each
Unité
100 240 V ac 9.999 s 999.9 h Power ON Delay, Pulse ON Delay, Pulse One Shot, Signal Flicker, Signal OFF Delay, Signal ON Delay, Totalizing ON Delay Flush Mount Multi Function 2 - Hours, Minutes, Seconds External SPDT 5 A 8-Pin Connector - -
N° de stock RS 812-7910
Référence fabricantPM4HW-H-AC240VW
MarquePanasonic
89,62 €
Each
Unité
100 240 V ac 1 s 500 h Cycle Flush Mount Dual Function 2 - Hours, Minutes, Seconds External DPDT 5 A 8-Pin Connector - -
N° de stock RS 812-7964
Référence fabricantS1DX-A2C60S-AC120V
MarquePanasonic
50,51 €
Each
Unité
120 V ac 60 s Power ON Delay Panel Mount Single 2 - Seconds External - 20 mA Socket 80 V ac 132 V ac
N° de stock RS 812-7881
Référence fabricantLT4HW8-DC24V
MarquePanasonic
122,65 €
Each
Unité
12 24 V dc 99.99 s 9999 h Delay One Shot, Flicker OFF Start, Flicker ON Start Flush Mount Multi Function 2 - Hours, Minutes, Seconds External SPDT 5 A 8-Pin Connector - -
N° de stock RS 228-835
Référence fabricantLT4H24SJ
MarquePanasonic
91,72 €
Each
Unité
12 24 V dc 0 9999 h, 0 9999 min, 0 9999 s Power ON Delay, Pulse ON Delay, Pulse One Shot, Signal Flicker, Signal OFF Delay, Signal ON Delay, Totalizing ON Delay Flush Mount Multi Function - - Hours, Minutes, Seconds External - 5 A Screw - 250 V ac
N° de stock RS 812-7866
Référence fabricantS1DXMA2C10MAC120V
MarquePanasonic
38,14 €
Each
Unité
120 V ac 0.05 s → 10 min Power ON Delay Panel Mount Single 2 S1DXM Minutes, Seconds External - 20 mA Socket 80 V ac 132 V ac
N° de stock RS 812-7850
Référence fabricantS1DXM-M2C30M-DC24V
MarquePanasonic
38,14 €
Each
Unité
24 V dc 0.2 s → 30 min Flicker OFF Start, Flicker ON Start, One Shot, Power ON Delay Panel Mount Multi Function 2 S1DXM Minutes, Seconds External - 40 mA Socket 19.2 V dc 26.4 V dc
N° de stock RS 812-7869
Référence fabricantS1DXMA2C10MAC220V
MarquePanasonic
38,14 €
Each
Unité
220 V ac 0.05 s → 10 min Power ON Delay Panel Mount Single 2 S1DXM Minutes, Seconds External - 13 mA Socket 160 V ac 242 V ac
N° de stock RS 812-7853
Référence fabricantS1DXM-M2C60M-DC24V
MarquePanasonic
33,83 €
Each
Unité
24 V dc 0.5 s → 60 min Flicker OFF Start, Flicker ON Start, One Shot, Power ON Delay Panel Mount Multi Function 2 S1DXM Minutes, Seconds External - 40 mA Socket 19.2 V dc 26.4 V dc