A22-HW-02M

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A22-HW-02M, is a push button switch most commonly referred to as a two position momentary push button switch. This switch is a double-contact, single-pole push button switch and has contacts that are normally closed or normally open. The switch has a plunger and a spring action return lever. When the plunger is pushed and released, the contacts change their state: Closed if they were open, Open if they were closed. Depending on its design, it may also be used as a Hand-Off-Auto switch when a momentary hold is applied and then released may switch to the HOA function

Application Field

A22-HW-02M series are normally used for indication, circuit control and switching, especially for off-normal indication. Those switches feature sealed units for protection, and resistance to dust, water and various adverse conditions. In addition to its resistance to various conditions, it is also has both quick and positive action with short stroke and large contact gap. The product comes in a wide range of options, making it suitable for many various applications such as:

• Motor and machine control systems
• Processing and varying control systems
• Lift and machinery control systems
• Industrial and security access control systems
• Medical applications instruments
• Control panels of production lines
• Automatic assembly lines

Working Principle

The working principle of A22-HW-02M is a simple one. When the plunger is depressed, the contacts change their state: closed if they were open, open if they were closed. This action is caused by the lever inside the switch body, which is pushed by the plunger and in turn, move the internal contact plates. When the pressure on the plunger is relieved, the switch will return to its original state. The great advantage of this type of switch is that it is highly reliable and provides a positive momentary action contact change when used in most applications. It is also an economic solution for its low power consumption, highly competitive prices, and easy installation.

A22-HW-02M push button switch is one of the most commonly used pushbutton switches. Its versatile design and construction makes it suitable for various applications where a simple, momentary contact is required. Because of its design, it provides reliable, quick and positive action, allowing it to offer a versatile and economical solution in a wide range of environments and applications.

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