PB400EEQX

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Pushbutton switches are an important type of manual operators used to control or communicate operations of a machine, in many applications. They provide a simple way to turn machines on or off, and to select between different functions or settings. Among them, PB400EEQX switches are are especially suitable for use in special application fields and offer prominent features. This article will introduce the application fields and working principles of PB400EEQX pushbutton switches.

Application Field of PB400EEQX Switch

PB400EEQX pushbutton switches are widely used in the industrial process control with features of high reliability and durability. Their robust construction make them well suited to harsh automotive and off-highway applications such as machine controls, commercial vehicle interiors, etc. As a type of miniature switches, these switches are used to operate small loads and contactors such as remote indications, local manual circuit-breakers, and contactors providing motor controls.

Moreover, in Railway and Aerospace applications, where safe operation is a must, PB400EEQX are the best option due to their high grade IP68 protection. In Railways, they can be applied to the control of train doors and signal lights, and in Aerospace applications to the opening or retracting of airplane landing gear. Also, the PB400EEQX are the perfect choice for control and on-off operations in automotive and industrial applications due to their shock and vibration resistance, as well as their low power consumption.

Working Principle of PB400EEQX Switch

The PB400EEQX pushbutton switches have a contact mechanism based on a snap-action actuator, which provides high reliability and consistent actuation forces. The actuator consists of two independent arms with a single actuation, moving through an arc of between 20° and 45° which results in a push, pull, or momentary action. The switching element combines three contact systems in a single unit, with a high quality cap, and is designed for quick connection to a PCB board.

Made from a manufacturing process combining two different materials with a specific geometry - a compression molding process - the snap-action actuator provides a high corrosion resistance and an increased service life, while maintaining a low contact resistance.

The PB400EEQX pushbutton switches are UL-approved and also meet IP68 standards and are fabricated with a highly reliable cathode structure with contact rating of 5A@ 250V AC. This places them among the most reliable switches on the market.

Conclusion

In conclusion, PB400EEQX pushbutton switches are suitable for the control of small loads and contactors and can withstand the toughest conditions. Their robust construction makes them a reliable option for use in harsh automotive and off-highway applications. Their high-quality contact mechanism design results in higher reliability and consistent actuation force, as well as longer service life.

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