Classification of time relays and their advantages and disadvantages
  • Time relay refers to time-release relays whose output circuit needs a specified accurate time to produce jump change (or contact action) after adding (or removing) the input action signal. It is an electrical component used in circuits with low voltage or small current to connect or cut off circuits with high voltage and large current.
  • Time Delay Relay manufacturer in China
  • 1. Independent time relay

    Independent time relay is a relatively traditional type of time relay with high stability and reliability. It requires external power supply to drive, usually adopting a mechanical structure, and achieving timing and switch control functions through a clock mechanism and relay contacts. The advantage is that the structure is simple, does not require complex circuit control systems, and the operation is more intuitive. The disadvantage is that the mechanical part is easily affected by the external environment and usage conditions. In addition, the operation is fixed and inflexible, making it impossible to customize according to actual needs.

    2. Built in time relay

    The built-in time relay is integrated on other devices or circuit boards, usually controlled by a chip, and has the advantages of high integration and precise timing. The advantages are small size, low power consumption, high stability, and good flexibility, which can be applied to different circuits and devices. The disadvantage is that compared to independent time relays, it requires a certain level of circuit design and programming ability.

    3. Digital time relay

    Digital time relay is a type of time relay that uses digital circuit technology to achieve timing and switch control through computer control. It has advantages such as high precision and strong customization. Digital time relays can quickly respond to various switch signals and automatically store and call up multiple sets of timing settings. The disadvantage is that due to the use of digital signal processing, it is more sensitive to electromagnetic interference and power supply voltage fluctuations, requiring a high level of technical proficiency and reliable design.

    4. Analog time relay

    The analog time relay uses analog circuit technology to achieve timing and switch control functions through high-precision clock and timing circuits. It has the advantages of traditional time relays, while providing stronger support in timing accuracy and customization. The disadvantage is that it requires high manufacturing technology and maintenance costs, and is sensitive to factors such as environmental temperature and power supply stability.

    In summary, different types of time relays have their unique advantages and disadvantages, and should be selected according to actual needs. With the continuous progress of technology, the types and quality of time relays will continue to improve. We look forward to more accurate, reliable, and intelligent time relays bringing more convenience to our work and life.

  • Time relays

    ETD time relays are particularly suitable for controlling simple time sequences. The 6 mm time relays with just one adjustable time and one fixed function are particularly space saving. Use the compact time relays in installation housing for building installation and the series production of machines and systems. Our multifunctional relays offer selectable time ranges and functions.

    Your advantages with our smart timer relays

    *Easy handling directly on the device with a combination of OLED display and pushbuttons

    *Intuitive time settings – no calculations or checks needed

    *Detailed and easy-to-read display with OLED technology

    *Exact time sequences can be read directly on the device

    *Optional communication via NFC and smartphone app

    Narrow timer relays with 6.2 mm housing width – slim and precise

    The ultra-narrow ETD-BL timer relays are the space-saving and inexpensive solution for simple time control applications: with one adjustable time and one fixed, predefined function.

    The modules can also be conveniently connected to the highly compact relays in the PLC-INTERFACE series in the same housing. Plug-in bridges and system cabling save a lot of time here.

  • What is a time delay relay?

    Time relay refers to time-release relays whose output circuit needs a specified accurate time to produce jump change (or contact action) after adding (or removing) the input action signal. It is an electrical component used in circuits with low voltage or small current to connect or cut off circuits with high voltage and large current.

    Time relay is a very important component in electrical control system. In many control systems, time relay needs to be used to realize time-delay control. Time relay is an automatic control electric appliance which uses electromagnetic principle or mechanical action principle to delay contact closing or breaking. The utility model is characterized in that there is a time delay from the signal obtained by the suction coil to the action of the contact. Time relay is generally used for motor starting process control as a function of time.

    The main function of time relay is as an executive device in simple program control. When it receives the start signal, it starts timing. After timing, its working contact will open or close, so as to promote the subsequent circuit work. Generally speaking, the delay performance of time relay can be adjusted within the design range, so as to facilitate the adjustment of its delay time. I'm afraid that only one time relay can't start delay closing. After closing for a period of time, it can be disconnected. First, it can realize delay closing and then delay disconnection. However, generally speaking, it can be achieved by configuring a certain number of time relays and intermediate relays.

    With the development of electronic technology, electronic time relay has become the mainstream product in time relay. The electronic intelligent digital display time relay using large-scale integrated circuit technology has a variety of working modes, which can not only realize long delay time, but also have high delay precision, small volume, convenient adjustment and long service life, it makes the control system more simple and reliable.

    When selecting the time relay, pay attention to the current type and voltage level of its coil (or power supply), and select the delay mode, contact form, delay accuracy and installation mode according to the control requirements.


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