VTM3ADD

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Time delay relays are electrical relays with a time delay that can range from 0.1 seconds to hours, days or even months. They are usually used as control devices that provide an opening or closing action after a specified time period or after receiving a signal from the user. The VTM3ADD is a type of time delay relay used for controlling the start and stop functions of industrial motors and electrical circuits. This relay has a wide range of application fields and working principle.

The VTM3ADD is composed of two sections: a solid state timer section and a relay output section controlled by a timer circuit. The timer circuit can be programmed to a predetermined time value. It also has a manual reset button which can be used to reset the timer. The output section consists of an electromechanical relay which is energized when the timer has reached the predetermined time value. The relay can then be used to open or close the circuit, enabling control of the start and stop functions of a motor or other electrical device.

One of the primary application fields for the VTM3ADD is motor control. The time delay relay can be connected to the starter switch on an industrial motor. Once the motor is started, the timer is activated. After the timer reaches the predetermined time value, the relay switches off. This helps protect the motor from overloading, preventing sudden power surges or current drops. The relay can also be used in electrical circuits to control the start and stop functions of most electrical devices.

The working principle of the VTM3ADD is based on the use of a timer circuit to control the relay output. The timer circuit contains a range of adjustable time values, which are preset by the user. When a supply voltage is applied to the motor starter switch, the timer is activated. The timer then counts until it reaches the preset time value. When this happens, the output relay is energized and the electrical circuit is activated or deactivated according to the user’s settings.

In conclusion, the VTM3ADD is a type of time delay relay used in the control of industrial motors and electrical circuits. It has a wide range of application fields and the working principle is based on the use of a timer circuit to control the relay output. The preset time values of the timer circuit can be used to control start and stop functions of electrical devices, helping to prevent sudden power surges or current drops.

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