A22-MW-01M

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A22-MW-01M Pushbutton Switches: Application Field and Working Principle

Pushbutton switches are versatile, tactile devices that are used in many electronic and electrical applications to activate, deactivate, or indicate the status of equipment. Pushbutton switches are selected for their specific characteristics that make them suitable for a range of applications and conditions, including those involving strenuous or hazardous environments. The A22-MW-01M pushbutton switch is designed for general use in industrial, marine, process control and long-cycle and long-life applications. The robust design of this switch, and its multiple operating characteristics, make it one of the most widely used and reliable pushbutton switches in the market.

A22-MW-01M Pushbutton Switch: Features and Benefits

The A22-MW-01M is a rugged, general-purpose, single-pole pushbutton switch featuring a center-off position, which helps indicate its status. This switch has the added benefit of dampened operation for improved tamper protection, as well as a long-life actuator with temperature, shock and vibration resistance. The A22-MW-01M’s key features include:

• A stainless steel case with a front-mounted actuator
• An IP67 environmental rating, which makes this switch resilient against dust, dirt and oily vapors, as well as water immersion
• A wide range of choice in LED, incandescent and 12V lamp bulb for the actuator system
• Supply voltage options ranging from AC and/or DC 24V to 220V, as applicable
• Choice of contact arrangement like normal open (N/O), normal closed (N/C) and change-over (C/O)

The A22-MW-01M switch is suitable for use in a hazardous environment, such as abrasion, vibration, temperature, electrical noise and intermittent high voltage. The contact system and contact materials of this switch meet a wide range of requirements, improving its resistance to wear and relay life. With an operating temperature range of -25°C to +80°C, this switch can be readily used in harsh environments and processes.

A22-MW-01M Pushbutton Switches: Working Principle

The A22-MW-01M pushbutton switch is designed around the principle of simple mechanical contact operation. This concept involves the closure of two electrical contacts when pressed and the opening of those contacts when released. A spring force is used to return the switch to the center position (off). When an external force is applied to the switch, it activates the switch, closing the contacts and completing the circuit. This action allows an electrical current to flow and activate a device external to the switch.

A22-MW-01M Pushbutton Switches: Applications

Incorporated in either standard or custom designs, the A22-MW-01M pushbutton switch is ideal for use in the following applications:

• Racing industry: Used in racecar engines to control the direct injection of fuel and air
• Industrial mobile equipment: Used to control various mobile applications, such as bulldozers, forklifts and backhoes
• Motor control systems: Used to control motors in gearbox operations and to synchronize their speed to other systems
• Energy management systems: Used in energy-saving appliances, such as washing machines and refrigerators, to control on/off functions
• Industrial automation: Used in process control systems to monitor and actuate different processes

The A22-MW-01M switch is well established in global markets, with over 50 million units sold in the Asia/Pacific region alone. It is used in a diverse range of industries, from electrical and electronics to power controls, automotive and telecom. With its solidly built design and field-proven reliability, the A22-MW-01M is an industry leader in the pushbutton switch market.

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