AML21HBA2AB-002

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Pushbutton switches are electromechanical control devices that provide a signal to the user or a system controller when manually operated. Pushbutton switches are commonly used in industrial, home appliance, automotive and consumer electronics applications. AML21HBA2AB-002 is a type of pushbutton switch and its application field and working principle will be discussed in this article.

AML21HBA2AB-002 is a miniature snap action switch with a required actuation force of ≤ 4.1N (0.41 kgf) and a voltage rating of 250 VAC/125 VDC. It has an operating temperature range of -25°C to +85°C, a contact resistance of ≤ 100mΩ and an insulation resistance of ≥1000 MΩ. The housing of this switch is made of polyamide PA66 and the contact terminal is made of copper alloy. It has a life expectancy of 5 million cycles.

This switch has various application fields such as control and alarm systems, industrial machines, power tools, automotive electronics, audio-visual equipment and other general-purpose circuits. The AML21HBA2AB-002 is highly reliable and cost-effective and can be used as an on/off switch for a variety of devices.

To understand the working principle of this switch, it is important to understand its two basic components, namely the actuator and the contact. The actuator is the part of the switch that is manipulated or pressed to operate the switch. It can be a lever, rocker, button, or other type of mechanical actuator. The contact is part of the switch which, when the actuator is operated, closes or opens the circuit depending on the switch position.

When the actuator is pressed, its action causes the connection to be made and the circuit to be closed. This action is also known as making the connection or closing the switch. The switch contact may be constructed lower and the actuator is released, they break away from each other and the circuit is opened. This action is also known as breaking the connection or opening the switch. This switch is also known as a snap action switch because of its quick characteristic of quickly opening and closing the connection.

The AML21HBA2AB-002 is a great solution for applications that require reliable snap action switching. With a rated voltage of 250 VAC/125 VDC, a relatively low actuation force of ≤ 4.1N (0.41 kgf) and a life expectancy of 5 million cycles, this pushbutton switch is ideal for many control and alarm systems, industrial machines, power tools, automotive electronics, audio-visual equipment and other general-purpose circuits.

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