TN2-H-4.5V

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Signal relays are electrical switches used to control multiple circuits with a low-power signal. It is an indispensable component in many electronic systems because it provides a safe, fast and convenient way to switch electrical circuits and complete corresponding control. The TN2-H-4.5V model is a signal relay with up to 2 Amps of current. Its applications and working principles are introduced below.

Although the current capacity of TN2-H-4.5V is relatively small, its applications are wide. In the industrial automated processes, this type of relays is mainly used in communications, motor control, machine tools, instruments and robotic systems, as well as HVAC, security control, alarm monitoring and medical equipment. It is also widely used in cars and at-home appliances like coffee makers, microwave ovens and refrigerators.

The primary working principle of TN2-H-4.5V is based on an electromagnetic field. When the signal voltage applied, an electromagnetic field is generated by an electromagnet, then the magnetic force of this field will act upon the armature of the electromagnetic relay, then move up and down against the movable core, causing the contact points of the relay to open or close, thus can control the current passing through the terminals.

The major components of a TN2-H-4.5V include an electromagnet, armature, movable and stationary core and contact points. The electromagnet is made up of an iron core wrapped with a coil of wire. When the signal voltage is applied, an electromagnetic field is generated, then the armature pushed against the movable core, moving it against the stationary core, thus pulling the contact points of the switch together or pushing them apart.

Users should pay attention to the working voltage of TN2-H-4.5V because it is designed to only operate within the specified voltage range. For over-voltage or under-voltage applications, the relays may fail. Also, the correct wiring should be used, otherwise a short circuit or an open circuit may occur. It should also be noted that any switching operation of the relay should not be carried out while the load is on.

Due to its small size, TN2-H-4.5V signal relays have many advantages. It can switch circuits with low power signaling, save space, conveniently complete control, and produce very reliable performance. It is an ideal choice for high density applications, and it has wide applications in many fields.

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