Color - Actuator/Cap:	Red
Electrical Life:	500,000 Cycles
Mechanical Life:	--
Operating Temperature:	-20°C ~ 55°C
Panel Cutout Dimensions:	Circular - 22.30mm Dia
Features:	--
Ingress Protection:	IP65 - Dust Tight, Water Resistant
Termination Style:	Screw Terminal
Mounting Type:	Panel Mount, Front
Illumination Voltage (Nominal):	12 VAC/DC
Illumination Type, Color:	LED, Red
Series:	A22
Actuator Type:	Square, Button, Full Guard
Voltage Rating - DC:	24V
Voltage Rating - AC:	110V
Current Rating:	10A (AC/DC)
Switch Function:	Off-On
Circuit:	DPST-NO
Type:	Standard, Illuminated
Part Status:	Obsolete
Packaging:	Bulk

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A22L-DR-12A-20A Application Field and Working Principle

Introduction

A22L-DR-12A-20A is a series of pushbutton switches widely used in industrial and commercial applications. These switches are generally utilized as momentary contact actuation switches, providing easy and reliable operation for a variety of applications, ranging from machine tools, marine, aircraft and transportation equipment, to consumer products and safety equipment.

Principle of Operation

The A22L-DR-12A-20A series of pushbutton switches is designed to provide momentary contact actuation. This means that the pushbutton must be continuously pressed or held to maintain the contact in the closed circuit state. When the switch is released, the contacts open, breaking the circuit and stopping the intended operation. The switch contains a spring-loaded plunger that acts as the actuator. As soon as the plunger is pressed, it moves past a contact point, and the contact is made and the circuit is closed. When the plunger is released, the spring-loaded mechanism forces the plunger back to its original position, thus opening the contact and breaking the circuit.

Applications

Pushbutton switches, such as the A22L-DR-12A-20A series, are used in a wide range of applications. These switches enable the user to easily control the operation of many different types of machines, from computer-controlled manufacturing equipment to complex industrial machinery. These switches are also used in a variety of consumer products, such as kitchen appliances, coffee machines and entertainment systems. In addition, these switches can be found in industrial, automotive, marine and aircraft applications. Pushbutton switches are also often used in safety equipment, such as fire extinguishers. In these devices, the pushbutton is used to activate the installed fire extinguishing system.

Types of Pushbutton Switches

Pushbutton switches typically come in two main types: momentary contact (where the switch closes the circuit when it is pressed and then opens the circuit when it is released) and alternate action (where the switch closes the circuit when it is pressed, and then releases the circuit when it is pressed again). As discussed earlier, the A22L-DR-12A-20A series of switches is characterised as momentary contact.

Conclusion

The A22L-DR-12A-20A series of pushbutton switches are a versatile and reliable type of switch, used in a wide range of industrial, automotive and consumer applications. The switch is designed to provide momentary contact actuation and is easy to use and maintain. It is a cost-effective alternative to other types of switches, providing a reliable operation for many different kinds of applications.

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