Time Delay Relay

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  FBelec specialize in providing relay products such as intermediate relays, time relays, timer delay relay, relay timer, voltage suppressors, etc. The product is exported in bulk with good quality and is widely used in automatic control circuits. FBelec adopts an ERP management process and has achieved OA automation and remote video for customers to conduct remote inspections. FBelec has over 100 employees, a net asset of over 10 million, and an annual production of over 5 million relays and supporting sockets.

  
  

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• Time Delay Relay

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  Why Choose

  FBelec Timer Relay

  1. Quick response: Time relays or timer relays have a fast response speed, which can quickly identify and respond to signals, achieving precise control. In some situations that require high-precision control, time relays can more accurately complete tasks.

  
  

• 2. Stable and reliable: The time relay adopts high-quality materials and advanced technology, which has high stability and reliability. Under various harsh environmental conditions, time relays can accurately complete control tasks, have a long lifespan, and are easy to maintain.
  

  3. Wide application: Time relays have a wide range of application areas, such as electronics, automation control, relay protection, and machinery. According to different work requirements and occasions, time relays can be set and adjusted differently to meet various control needs.

  4. High precision: Time relays have high precision and can complete fine tuning, adjustment, and precise control. In industrial manufacturing, automation control and other fields, the accuracy of time relays is very important, which is also one of the reasons why time relays are widely used.

  
  
  

• What is a Timer Relay?

  A time relay refers to a type of relay in which the output circuit needs to go through a specified accurate time to produce a jumping change (or contact action) when the input action signal is added (or removed). A time relay is an electrical component used in circuits with lower voltage or current to connect or disconnect circuits with higher voltage or current. It is also a control device that utilizes electromagnetic or mechanical principles to achieve delay control. twelve.

  The main function of a time relay is to control the delay on/off of a circuit, and it is often used in practical applications where delay control is required. For example, delaying the start of the motor and delaying the turn off of lights in the lighting system. Time relays play a role in automatic regulation, safety protection, and automatic switching circuits in many control systems.

  
  

  How to Choose Time Relay?

  How to choose the appropriate time relay? This is a question that control engineers and maintenance personnel often need to think about. So, what are the key factors for selection?

  (1) Rated voltage: When selecting a time relay, the first step is to determine the rated voltage of the equipment that needs to be controlled. This is a fundamental condition for any relay selection.

  (2) Rated current: For any relay, the rated current of the equipment is very important. Because the magnitude of the current can affect the service life and reliability of the relay. Therefore, the rated current of the time relay is also an important factor in the selection.

  (3) Action time: The action time of a time relay is the most important. Before selecting a specific time relay, it is necessary to first understand the equipment's requirements and then determine the required action time. Only in this way can appropriate relays be selected in a targeted manner.

  (4) Stability: The stability of time relays is also one of the considerations for selection. Generally speaking, the better the stability, the longer the service life of the relay.

  (5) Contact type: In practical applications, different devices require the use of different types of contacts. The contact type of time relay also needs to be selected according to actual application requirements.

  (6) Other factors: When selecting a time relay, it is also necessary to consider other factors such as its protection level, operating temperature range, environmental conditions, etc.

  In short, when choosing a time relay, the most important thing is to clarify your own needs and understand the performance, specifications, and other parameters of the selected relay to ensure the safety, stability, and reliability of the equipment.

  
  

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• Application of Time Relay

  1. Automation control: Time relays are widely used in industrial automation control and can replace manual labor to achieve precise control. Especially in hazardous environments such as high temperature, high pressure, and toxicity, time relays can ensure work safety and improve production efficiency.

  2. Relay protection: Time relays are widely used in power systems and various electrical equipment for relay protection, providing accurate electrical signals to protect electrical equipment.

  3. Mechanical control: Time relays can replace manual labor to complete mechanical control tasks, such as beer filling, automotive production lines, etc., improving production efficiency and reducing labor intensity for workers.

  4. Home appliance control: Time relays can also be applied to home appliance control, such as lighting, air conditioning, electric water heaters, etc. By using a time relay, it is possible to achieve timed power on/off, achieving the goal of energy conservation and cost savings.

  Time relays have fast, stable, reliable, and precise control characteristics, and are widely used in various fields, such as automation control, relay protection, mechanical control, and home appliance control. Its advantages include fast response, stability and reliability, wide application, and high accuracy.

  
  

  
  

  Functions of Timer Relays

  Timing relays are relays with a timing function that allows them to control the on/off cycle of a load according to a predetermined period of time.

  
  

  The following are some common functions of timing relays:

  Delayed On: Timing relays with delayed on function will activate the load after a set delay time once the relay is energized.

  Delayed shutdown: The timing relay with delayed shutdown function, once the relay is powered off, the load will be turned off after the set delay time.

  Interval: Interval time relays will alternate the load between on and off cycles, with each cycle lasting a predetermined period of time.

  One-shot: One-shot timer relays will activate the load within a predetermined period of time after the relay is energized, regardless of how long the input signal has been applied.

  Cycle: A cycle timer relay will activate the load for a predetermined on time period, then turn off the load for a predetermined off time period, then repeat the cycle.

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  Wiring method editing and broadcasting

  Time relay is a very important component in the electrical control system. It is generally divided into two types: power on delay and power off delay. From the principle of action, there are electronic, mechanical, etc. The electronic type adopts the principle of capacitor charging and discharging and then cooperating with electronic components to realize delay action. There are many mechanical styles, including air bag type using air bag and spring.

  
  

  Wiring method of Time-delay relays:

  1. Control wiring: consider it as a DC relay;

  2. Work control: Although the control voltage is connected, whether it plays a control role is determined by the timer on the panel;

  3. Functional understanding: it is a switch, SPDT, with a movable point movable arm, just like the movable knife arm of a common knife switch;

  4: Load wiring: the zero line or negative pole of the power supply is connected to the zero line or negative terminal of the electrical appliance;

  5. Working principle: when the timing is invalid, it is equivalent to the off state of the ordinary light switch. When it is effective, the relay acts and the electric appliance is powered on, which is equivalent to the normal on state of the electric light switch.

  
  

  Selection of time relay

  The selection of time relay is mainly about the delay mode and parameter coordination. The following aspects should be considered when selecting.

  (1) Selection of delay mode. The time relay has two types: power on delay or power off delay, which shall be selected according to the requirements of the control circuit. The reset time after the action is longer than the inherent action time to avoid misoperation or even no delay, which is particularly important in the case of repeated delay circuit and frequent operation.

  (2) Type selection. Electromagnetic or air damping time relay with low price is generally used in occasions where the delay accuracy is not required; On the contrary, electronic time relay can be used in occasions requiring high delay accuracy.

  (3) Coil voltage selection. Select the voltage of the suction coil of the time relay according to the voltage of the control circuit.

  (4) Selection of power parameter changes. When the power supply voltage fluctuates greatly, it is better to use air damping type or electric time relay than transistor type. When the power supply frequency fluctuates greatly, it is not suitable to use electric time relay. When the temperature changes greatly, it is not suitable to use air damping type time relay.

  (5) Brand selection: FBelec provides a series of time relay products with wide range, strong function and high precision. Time relay enables simple automation cycle to be established through wiring logic and can also be used to supplement the functions of PLC.