A3PA-90C12-28

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Pushbutton switches come in two types: momentary and alternate action. A3PA-90C12-28 is an example of a normally-on alternate action switch, which means it automatically reverts to an off position when you release the button.The A3PA-90C12-28 is a two-pole, two-throw device with a single actuator button. It product has a 6 mm diameter threaded bushing, allowing it to be easily mounted in a panel. It has a rated operating life of 500,000 cycles and is IP40 rated.The A3PA-90C12-28 is a cost-effective, user-friendly switch ideal for applications such as instrumentation, motor control and test and measurement. It\'s also a common choice for automation and industry controls, process control, commercial and residential lighting, access control and vending. Its rugged metal design allows it to withstand outdoor use and its high insulation rating and metal flanges offer protection against accidental contact.The working principle of the A3PA-90C12-28 is simple. When a user pushes the button, the two switch contacts move into contact and supply power to the device it is connected to. When the user releases the button, the switch contacts move back to their original position and the power is cut off. This type of switch is also known as a break-before-make design, as it allows for temporary interruption of the power supply when the switch is pressed and released.The A3PA-90C12-28 is designed to be used in combination with other components such as relays, solenoids and contactors. In these applications, it acts as a switching device and allows the user to control and maintain the electrical circuit. This switch is also capable of controlling and measuringvoltage, current and resistance in an electrical circuit.In summary, the A3PA-90C12-28 is an ideal choice for many applications due to its rugged metal construction, high insulation rating and metal flanges, and its cost-efficiency. Its easy operational mechanism and ability to control and measure voltage, current and resistance make it a versatile switch in both industrial and commercial settings.

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