LY2ZN AC200/220

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Power Relays,Over 2 Amps: LY2ZN AC200/220 Application Field and Working Principle

LY2ZN AC200/220 power relays are widely used in electronics, electrical equipment, instrumentation, communication equipment, automatic control, automotive and other fields. They are suitable for electrical protection, control and signal transmission of AC 50/60 Hz, rated voltage up to 240V and rated current up to 8A.

The working principle of LY2ZN AC200/220 power relay is magnetically latching. When the coil is energized, the armature is attracted by the electromagnetic force, and when the coil is deenergized and the armature of the coil is reset by the reset spring, the armature reset pullin power is also supplied by the reset spring. When the coil is energized again, the armature will attract the output end of the plane to the fixed position under the action of the electromagnetic force, and when the coil is deenergized, the armature will be reset to the initial position by the reset spring, so as to achieve the purpose of controlling the circuit.

The coil is an important part of LY2ZN AC200/220 power relay, and its inductance and resistance will change with the current, the rated working voltage and frequency. The rated coil voltage of this power relay should be 4-6 times of the rated working voltage of the relay. The frequency of the coil is 50Hz or 60Hz, which should match the power grid frequency of the tested place.

The contact of the LY2ZN AC200/220 power relay contact is generally divided into normally open contact and normally closed contact. The contact of two parallel contacts is used to check the current. The contact end is connected to the controller and other control parts, and its function is to realize the opening and closing of circuits.

The structure of LY2ZN AC200/220 power relay is very simple. It is generally composed of shell as the case, coil, armature, contact point and reset spring. The armature moves to the attracted direction of the yoke under the action of the electromagnetic force generated by the coil, which drives the contact point to move, so as to realize the function of signal transmission, control and protection.

The applications of LY2ZN AC200/220 power relay are very extensive. It can be used in household appliances, automatic control, electronics, electrical equipment, instrumentation, communication equipment, automotive and other fields. Therefore, it is a very practical component of electrical relay.

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