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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제품설명 단가 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 제품 번호 358-7077
제조사 부품 번호BC7930N.81 AC/DC24V + AC230V 0.5-10S
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₩70,024.35
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24 V ac/dc, 230 V ac 0.5 → 10 s Continuous DIN Rail Single 1 BC7930N Hours, Minutes, Seconds External SPDT 4 A - - 230 V ac
RS 제품 번호 358-7099
제조사 부품 번호BC7931N.71 AC/DC24V + AC230V 0.05-1S
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₩72,150.95
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24 V ac/dc, 230 V ac 0.05 → 1 s Continuous DIN Rail Single 1 BC7931N Seconds External SPDT 4 A - - 230 V ac
RS 제품 번호 500-3521
제조사 부품 번호EF7616.24 AC50/60HZ 230V 0.15S-30H
제조사Dold
₩328,361.30
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230 V ac 0.15 s → 30 h Continuous Panel Mount Single 2 EF7616 Hours, Seconds External SPDT 3 A - - 230 V ac
RS 제품 번호 358-7156
제조사 부품 번호BC7932N.81 AC/DC24V + AC230V 0.5-10S
제조사Dold
₩72,150.95
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24 V ac/dc, 230 V ac 0.5 → 10 s Flash DIN Rail Single 1 BC7932N Seconds External SPDT 3 A Screw - 230 V ac
RS 제품 번호 424-9912
제조사 부품 번호MK7850N.82/500 AC/DC12-240V 0.02S-300H
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₩213,207.15
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12 → 240 V ac/dc 0.03 → 300 min, 0.06 → 30 s, 3 → 300 h Delay (AV), Delay (RV), Flash (BI), Fleeting (AW), Fleeting (EW), Pulse Converter (IF), Pulse Delay (IE), Release Relay (AV/RV) DIN Rail Multi Function 2 MK7850N Hours, Minutes, Seconds External DPDT 4 A - 12 V ac/dc 240 V ac/dc
RS 제품 번호 358-7112
제조사 부품 번호BC7933N.81 AC/DC24V 3-60M
제조사Dold
₩86,087.00
Each
수량
110 → 240 V ac 0.5 → 100 s, 0.5 → 60 min Continuous DIN Rail Single 1 BC7933N Minutes, Seconds External SPDT 4 A - 110 V ac 240 V ac
RS 제품 번호 424-9906
제조사 부품 번호MK7850N.82/200 AC/DC12-240V 0.02S-300H
제조사Dold
₩172,640.55
Each
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12 → 240 V ac/dc 0.03 → 300 min, 0.06 → 30 s, 3 → 300 h Delay Pulse, Flash Start with Impulse, Fleeting ON Break, Fleeting ON Make, Operate Delay, Pulse Former, Release Delay DIN Rail Multi Function 2 MK7850N Hours, Minutes, Seconds External DPDT 1 (dc) A, 3 (ac) A - - 240 V ac/dc
RS 제품 번호 181-2811
제조사 부품 번호EF7666.24 AC50/60Hz 230V 0,15s-30h
제조사Dold
₩336,173.30
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230 V ac 0.15 s → 30 h Continuous Flush Mount Single 24 EF7666 Hours, Seconds - NO/NC (Delayed), NO/NC (Instantaneous) 3 A Flat - 230 V ac
RS 제품 번호 358-7235
제조사 부품 번호BC7934N.81 AC/DC24V + AC230V 0.05S-16H
제조사Dold
₩84,847.00
Each
수량
24 V ac/dc, 230 V ac 0.05 → 15 s, 0.2 → 15 min, 0.2 → 16 h Continuous DIN Rail Single 1 BC7934N Hours, Minutes, Seconds External SPDT 3 A Screw - 230 V ac
RS 제품 번호 358-7617
제조사 부품 번호BC7937N.81 AC/DC24V-240V 0.05S-300H
제조사Dold
₩169,535.90
Each
수량
24 → 240 V ac/dc 0.05s → 300h Continuous DIN Rail Single 1 BC7937N Hours, Minutes, Seconds External SPDT 2 (dc) A, 3 (ac) A Screw 24 V ac 240 V ac/dc
RS 제품 번호 181-2807
제조사 부품 번호EF7616.24 AC50/60Hz 230V 0,15-1000s
제조사Dold
₩329,082.05
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230 V ac 15 → 1000 s Continuous Flush Mount Single 24 EF7616 Seconds External NO/NC (Delayed), NO/NC (Instantaneous) 3 A Screw - 230 V ac
RS 제품 번호 181-2777
제조사 부품 번호UG6960.04PS/100/61 DC24V 300s
제조사Dold
₩518,005.35
Each
수량
24 V dc 300 s Continuous DIN Rail Multi Function 4 UG6960 Seconds - DPNO 2 A Screw - 24 V dc
RS 제품 번호 181-2812
제조사 부품 번호EF7666.24 AC50/60Hz 230V 0,2s-60h
제조사Dold
₩351,050.20
Each
수량
230 V ac 0.2 s → 60 h Continuous Flush Mount Single 24 EF7666 Hours, Seconds - NO/NC (Delayed), NO/NC (Instantaneous) 3 A Flat - 230 V ac
RS 제품 번호 358-6872
제조사 부품 번호BC7933N.81 AC110-240V 0.5-10S
제조사Dold
₩86,087.00
Each
수량
110 → 240 V ac 0.5 → 10 s Continuous DIN Rail Single 1 BC7933N Hours, Minutes, Seconds External SPDT 3 A Screw 110 V ac 240 V ac
RS 제품 번호 181-2809
제조사 부품 번호EF7666.24 AC50/60Hz 230V 0,15-1000s
제조사Dold
₩336,173.30
Each
수량
230 V ac 15 → 1000 s Continuous Flush Mount Single 24 EF7666 Seconds - NO/NC (Delayed), NO/NC (Instantaneous) 3 A Flat - 230 V ac
RS 제품 번호 181-2778
제조사 부품 번호UG6961.02PS/100/61 DC24V 300s
제조사Dold
₩388,089.00
Each
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24 V dc 300 s Continuous DIN Rail Multi Function 2 UG6961 Seconds - DPNO 2 A Screw - 24 V dc
RS 제품 번호 358-7140
제조사 부품 번호BC7931N.71 AC/DC24V + AC230V 0.5-10S
제조사Dold
₩72,150.95
Each
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24 V ac/dc, 230 V ac 0.05 → 100 s Fleeting DIN Rail Single 1 BC7931N Seconds External SPDT 3 A Screw - 230 V ac
RS 제품 번호 358-6939
제조사 부품 번호BC7933N.81 AC110-240V 0.5-10M
제조사Dold
₩85,250.00
Each
수량
110 → 240 V ac 0.5 → 10 min Continuous DIN Rail Single 1 BC7933N Minutes, Seconds External SPDT 4 A - 110 V ac 240 V ac
RS 제품 번호 358-7213
제조사 부품 번호BC7933N.81 AC/DC24V 5-100S
제조사Dold
₩86,087.00
Each
수량
110 → 240 V ac 5 → 100 s Continuous DIN Rail Single 1 BC7933N Minutes, Seconds External SPDT 4 A - 110 V ac 240 V ac
RS 제품 번호 181-2808
제조사 부품 번호EF7616.24 AC50/60Hz 230V 0,2s-60h
제조사Dold
₩346,952.00
Each
수량
230 V ac 0.2 s → 60 h Continuous Flush Mount Single 24 EF7616 Hours, Seconds External NO/NC (Delayed), NO/NC (Instantaneous) 3 A Screw - 230 V ac