T9VV1K15-12S

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Power relays are commonly used to pass electrical signals from one circuit to another. By providing an electrically controlled section, power relays allow for some circuits to remain isolated until they are needed. T9VV1K15-12S is a type of power relays that are over 2 Amps. This article will discuss the application field and working principle of this type of power relays.

Application Field

T9VV1K15-12S power relays are commonly used to control the opening and closing of AC voltage circuits with rated voltages of up to 220V and currents of up to 12A. It is mainly used for switching circuits with its normally open or normally closed contacts for the control of power distribution systems. This type of relay is widely used in domestic and industrial applications, such as in building protection systems, security systems, air-conditioning systems, lighting systems, and heating systems.

Working Principle

T9VV1K15-12S power relays are coil-actuated relays, which operate on an alternating current (AC) voltage. Internal contacts inside the relay are opened and closed by varying electromagnetic attraction between the movable contact and an anchored contact inside the relay. This attraction is achieved by virtue of electric current going through the coil inside the relay.

When an AC voltage is applied to the relay’s coil, a magnetic field is created around the coil. This magnetic field interacts with a permanent magnetic field inside the relay body. The interaction between the two magnets causes the anchored contact to move towards the movable contact, enabling a closed contact circuit. When the voltage to the coil is removed, the magnetic field dissipates and the anchored contact returns back to its initial position, opening the contact circuit again.

T9VV1K15-12S power relays provide a stable release force when the voltage is switched off, preventing accidental opening and ensuring reliable interruption of the circuit. The T9VV1K15-12S is also designed with a multi-pole active plug for easy installation. In addition, it has an anti-noise cover to provide electromagnetic compatibility and prevent external interferences from affecting the reliable performance of the relay.

Conclusion

T9VV1K15-12S power relays are widely used in electrical systems for switching circuits with its normally open and normally closed contacts. It has an alternating current rating of up to 220V and 12A. The relays are coil-actuated, and have a permanent magnetic field inside the relay body. With its stable release force, lower noise interference, and multi-pole active plug, the T9VV1K15-12S power relays are a reliable and efficient solution for a variety of applications.

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