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. 160-228
FabrikantnummerG2ZMF11 24-240VAC/DC
FabrikantTele
€ 72,48
Each
Aantal stuks
24 → 240 V ac/dc 50 ms → 30 days Flash Pause First, Flash Pulse First, OFF Delay with Control Input, ON Delay, ON Delay with Control Contact, One Shot Leading Edge Voltage Controlled, One Shot Leading Edge with Control Input, One Shot Trailing Edge with Control Input DIN Rail Multi Function 2 G2ZMF11 Days, Hours, Milliseconds, Minutes, Seconds External DPDT 5 A - - 250 V ac
RS-stocknr. 746-5173
Fabrikantnummer3RP1555-1AP30
FabrikantSiemens
€ 207,90
Each
Aantal stuks
24 V ac/dc, 200 240 V ac 0.5 10 s Clock Pulse DIN Rail Single 1 - Seconds External SPDT 1 (dc) A, 3 (ac) A Screw 24 V ac/dc 250 V dc, 400 V ac
RS-stocknr. 442-9297
Fabrikantnummer1SVR550029R8100
FabrikantABB
€ 66,50
Each
Aantal stuks
24 240 V ac/dc 0.05 s 100 h Flash Start with OFF, Flash Start with ON, Impulse ON, OFF Delay, ON Delay, Pulse Former DIN Rail Multi Function 1 - Hours, Seconds External SPDT 4 A Screw - 250 V ac/dc
RS-stocknr. 746-5120
Fabrikantnummer3RP1505-1RW30
FabrikantSiemens
€ 268,20
Each
Aantal stuks
24 240 V ac/dc 0.05 1 h - DIN Rail Multi Function 2 - Seconds External DPDT 1 (dc) A, 3 (ac) A Screw 24 V ac/dc 250 V dc, 400 V ac
RS-stocknr. 467-6881
Fabrikantnummer88886516
FabrikantCrouzet
€ 92,05
Each
Aantal stuks
12 240 V dc, 24 240 V ac 0.02 300 h, 0.02 300 min, 0.02 300 s G, Gi, L, Li Panel Mount Multi Function 2 - Hours, Minutes, Seconds External DPDT 5 A 11-Pin Connector 12 V dc, 24 V ac 240 V ac/dc
RS-stocknr. 536-2555
FabrikantRS PRO
€ 27,55
Each
Aantal stuks
- 0 30 min - Panel Mount - - - - External - - - - -
RS-stocknr. 746-5126
Fabrikantnummer3RP1505-1BW30
FabrikantSiemens
€ 224,10
Each
Aantal stuks
24 → 240 V ac/dc 0.5 → 10 min - DIN Rail Multi Function 2 - Minutes External DPDT 1 (dc) A, 3 (ac) A Screw 24 V ac/dc 250 V dc, 400 V ac
RS-stocknr. 221-092
Fabrikantnummer80.41.0.240.0000
FabrikantFinder
€ 38,84
Each
Aantal stuks
24 → 240 V ac/dc 0.1 → 20 min, 0.1 → 20 s, 0.1 → 24 h OFF Delay with Control Signal DIN Rail Single 1 80 Series Hours, Minutes, Seconds External SPDT 16 A Screw 16.8 V ac/dc 265 V ac/dc
RS-stocknr. 774-0348
Fabrikantnummer88827004
FabrikantCrouzet
€ 63,78
Each
Aantal stuks
20 → 240 V ac 0.1 s → 100 h Asymmetrical, Interval, OFF Delay, ON Delay, ON Pulse, Symmetrical DIN Rail Multi Function 1 - Hours, Minutes, Seconds External Solid State NO/NC 0.7 A Screw - -
RS-stocknr. 828-5164
FabrikantnummerLART 12-230V AC/DC
FabrikantBroyce Control
€ 40,20
Each
Aantal stuks
12 → 230 V ac/dc 0.1 s → 100 h Off/On, Recycling On/Off DIN Rail Dual Function 1 - Hours, Minutes, Seconds External SPDT 8 A Screw 12 V ac/dc 265 V ac/dc
RS-stocknr. 450-4736
Fabrikantnummer85.04.0.024.0000
FabrikantFinder
€ 39,86
Each
Aantal stuks
24 V ac/dc 0.05 → 100 s, 3 → 100 min, 5 → 100 h Interval, ON Delay, Pulse Delay, Symmetrical Flash Plug In Multi Function 4 85 Series Hours, Minutes, Seconds External 4PDT 7 A 14-Pin Connector - 250 V ac
RS-stocknr. 328-364
FabrikantnummerH3CR-A8 AC24-48/DC12-48
FabrikantOmron
€ 70,75
Each
Aantal stuks
12 → 48 V dc, 24 → 48 V ac 0.05 s → 300 h Flicker ON Start, Interval, ON Delay, One Shot DIN Rail, Flush Mount, Surface Mount Multi Function 2 H3CR Hours, Seconds External - 5 A 8-Pin Connector - 125 V dc, 250 V ac
RS-stocknr. 896-6822
FabrikantRS PRO
€ 25,49
Each
Aantal stuks
24 V ac/dc, 240 V ac 0.3 s → 30 h OFF Delay DIN Rail Single 1 - Seconds External SPDT 5 A Screw - 24 V ac/dc, 240 V ac
RS-stocknr. 746-5154
Fabrikantnummer3RP1532-1AP30
FabrikantSiemens
€ 147,60
Each
Aantal stuks
24 V ac/dc, 200 240 V ac 1.5 30 s OFF Delay DIN Rail Single 1 - Seconds External SPDT 1 (dc) A, 3 (ac) A Screw 24 V ac/dc 250 V dc, 400 V ac
RS-stocknr. 225-8295
FabrikantnummerETR4-51-A
FabrikantEaton
€ 90,12
Each
Aantal stuks
24 → 240 V ac/dc 3 → 60 s Star Delta Switching DIN Rail Single 2 ETR4 Seconds External SPNO 3 A Screw 24 V ac/dc 240 V dc, 400 V ac
RS-stocknr. 687-6106
FabrikantnummerH5CX-AD-N
FabrikantOmron
€ 213,50
Each
Aantal stuks
12 → 24 V ac/dc 0.001 s → 9999 h Cumulative, Interval, ON/OFF Duty Adjustable Flicker, Power ON Delay I, Power ON Delay II Repeat Cycle I, Repeat Cycle II, Signal OFF Delay, Signal ON Delay I, Signal ON Delay II, Stopwatch Panel Mount Multi Function 1 H5CX Hours, Seconds External - - Screw - -
RS-stocknr. 746-7107
FabrikantnummerCT-MFD.21
FabrikantABB
€ 84,00
Each
Aantal stuks
12 24 V ac/dc 0.05 s 100 h Flash Start with OFF, Flash Start with ON, Impulse OFF with Auxiliary Voltage, Impulse ON, OFF Delay with Auxiliary Voltage, ON Delay, Pulse Former DIN Rail Multi Function 2 - Hours, Seconds External DPDT 5 A Screw 12 V 250 V ac
RS-stocknr. 188-4584
FabrikantnummerH3CR-F8 AC100-240
FabrikantOmron
€ 114,90
Each
Aantal stuks
100 → 240 V ac 0.05 s → 30 h Flicker OFF DIN Rail, Flush Mount, Surface Mount Single 2 H3CR Hours, Seconds External - 5 A 8-Pin Connector - 30 V dc, 250 V ac
RS-stocknr. 467-6875
Fabrikantnummer88886116
FabrikantCrouzet
€ 87,61
Each
Aantal stuks
12 240 V dc, 24 240 V ac 0.02 300 h, 0.02 300 min, 0.02 300 s A1, A2, D, Di, H1, H2, Q1, Q2 Plug In Multi Function 2 - Hours, Minutes, Seconds External DPDT 5 A 8-Pin Connector 12 V dc, 24 V ac 240 V ac/dc
RS-stocknr. 746-7078
Fabrikantnummer1SVR740100R3300
FabrikantABB
€ 90,50
Each
Aantal stuks
24 240 V ac, 24 48 V dc 0.05 s 300 h ON Delay DIN Rail Single 2 - Hours, Seconds External DPDT 4 A Push In 12 V 300 V ac
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