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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Omschrijving Prijs 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-stocknr. 812-7910
FabrikantnummerPM4HW-H-AC240VW
FabrikantPanasonic
€ 89,62
Each
Aantal stuks
100 → 240 V ac 1 s → 500 h Cycle Flush Mount Dual Function 2 - Hours, Minutes, Seconds External DPDT 5 A 8-Pin Connector - -
RS-stocknr. 812-7917
FabrikantnummerPM4HS-H-DC12V
FabrikantPanasonic
€ 43,62
Each
Aantal stuks
12 V dc 1 s → 500 h Power ON Delay Flush Mount Single 2 - Hours, Minutes, Seconds External DPDT 5 A 8-Pin Connector - -
RS-stocknr. 812-7967
FabrikantnummerPM4HS-H-DC12VW
FabrikantPanasonic
€ 43,62
Each
Aantal stuks
12 V dc 1 s → 500 h Power ON Delay Flush Mount Single 2 - Hours, Minutes, Seconds External DPDT 5 A 8-Pin Connector - -
RS-stocknr. 812-7869
FabrikantnummerS1DXMA2C10MAC220V
FabrikantPanasonic
€ 37,03
Each
Aantal stuks
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
RS-stocknr. 228-677
FabrikantnummerPM4HWHAC240SWJ
FabrikantPanasonic
€ 88,65
Each
Aantal stuks
100 → 240 V ac 1 s → 500 h Cyclic - Single - - Hours, Seconds - - 5 A Screw - 250 V ac
RS-stocknr. 812-7875
FabrikantnummerPM4HA-H-24V
FabrikantPanasonic
€ 46,13
Each
Aantal stuks
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 - -
RS-stocknr. 812-7879
FabrikantnummerPM4HA-H-AC240V
FabrikantPanasonic
€ 49,74
Each
Aantal stuks
100 → 240 V ac 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 - -
RS-stocknr. 812-7914
FabrikantnummerLT4H8-AC240V
FabrikantPanasonic
€ 104,67
Each
Aantal stuks
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 - -
RS-stocknr. 812-7847
FabrikantnummerS1DXMM2C10HAC120V
FabrikantPanasonic
€ 37,03
Each
Aantal stuks
120 V ac 0.05 min → 10 hr Flicker OFF Start, Flicker ON Start, One Shot, Power ON Delay Panel Mount Multi Function 2 S1DXM Hours, Minutes External - 20 mA Socket 80 V ac 132 V ac
RS-stocknr. 812-7908
FabrikantnummerLT4HWT-AC240VS
FabrikantPanasonic
€ 120,24
Each
Aantal stuks
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 - -
RS-stocknr. 812-7881
FabrikantnummerLT4HW8-DC24V
FabrikantPanasonic
€ 122,65
Each
Aantal stuks
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 - -
RS-stocknr. 228-706
FabrikantnummerLC4HSVR424SJ
FabrikantPanasonic
€ 146,35
Each
Aantal stuks
24 V ac - - Panel Mount - - - - - - - - - -
RS-stocknr. 515-0683
FabrikantnummerPM4HA-H-24VW
FabrikantPanasonic
€ 36,87
Each
Aantal stuks
24 V ac/dc 1 s → 500 h ON Delay Flush Mount Single 2 - Hours, Seconds External DPDT - 11-Pin Connector - -
RS-stocknr. 812-7964
FabrikantnummerS1DX-A2C60S-AC120V
FabrikantPanasonic
€ 49,04
Each
Aantal stuks
120 V ac 60 s Power ON Delay Panel Mount Single 2 - Seconds External - 20 mA Socket 80 V ac 132 V ac
RS-stocknr. 228-857
FabrikantnummerPM4HAHAC240J
FabrikantPanasonic
€ 48,47
Each
Aantal stuks
100 → 240 V ac 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
RS-stocknr. 812-7954
FabrikantnummerPMH-10M-DC12V
FabrikantPanasonic
€ 57,78
Each
Aantal stuks
12 V dc 0.05 s → 10 min ON Delay Flush Mount Single 2 - Minutes, Seconds External DPDT 7 A 8-Pin Connector - -
RS-stocknr. 812-7926
FabrikantnummerLT4H8-AC24V
FabrikantPanasonic
€ 108,50
Each
Aantal stuks
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 - -
RS-stocknr. 228-784
FabrikantnummerPM4HAH24SJ
FabrikantPanasonic
€ 48,47
Each
Aantal stuks
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
RS-stocknr. 515-0677
FabrikantnummerPM4HAHAC240SWJ
FabrikantPanasonic
€ 47,00
Each
Aantal stuks
100 → 240 V ac 1 s → 500 h ON Delay Flush Mount Single 2 - Hours, Seconds External DPDT - Screw - -
RS-stocknr. 812-7894
FabrikantnummerLT4HW-AC240VS
FabrikantPanasonic
€ 123,04
Each
Aantal stuks
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 - -