23ESA472MWA15A

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Rotary Potentiometers and Rheostats are widely used in various applications. The 23ESA472MWA15A is one such potentiometer or rheostat, which has a wide range of useful applications. This article will discuss the application field and working principle of this device.

Application Field of the 23ESA472MWA15A

The 23ESA472MWA15A is a four-terminal, multi-turn absolute, panel-mountable rotary potentiometer with an internal wiper-cage lock for improved accuracy and reliability. This device is ideal for use as an adjustable resistance element in circuits with positive and negative output voltages. It can also be used to replace rheostats, which are more costly and have limited accuracy and resolution. The 23ESA472MWA15A is compatible with a wide variety of potentiometers and rheostats, including devices with a sensitivity of up to 10kΩ.

The 23ESA472MWA15A can also be used to measure inrush current in a circuit. It can be used to measure current on the output of alternating current (AC) driven motor, generator, or transformer. It can also be used to measure current of a DC-driven motor or generator. Additionally, the 23ESA472MWA15A can be used for detecting inrush current in power supplies, monitoring the current in a circuit for protection from overcurrent, or measuring line voltage in a system.

Working Principle of the 23ESA472MWA15A

The 23ESA472MWA15A has a four-terminal design and is constructed from a silicon bridge. This bridge is mounted on a ceramic block with the terminals spaced equally apart. When the knob on the device is turned, a resistor mounted on the back of the knob moves and touches the silicon bridge, creating a circuit. This circuit allows for flexible control, allowing the user to adjust the resistance of the device in relation to the amount of rotation.

The 23ESA472MWA15A has both linear and logarithmic resistance adjustment features. For linear resistance variation, the current sense resistor is adjusted linearly, while for logarithmic resistance adjustment, the tap point can be shifted around in the voltage or current levels.

The device also has a high degree of accuracy and reliability due to its internal wiper-cage lock feature. The wiper-cage locks the wiper arm in a pre-set position, thus ensuring accurate and reliable adjustment. Additionally, the device has an overload feature which prevents damage to the device, circuit, and system due to any sudden overcurrent. This overload feature can be manually engaged or set to automatic mode.

The 23ESA472MWA15A can be mounted on a variety of panel materials, making it suitable for a wide range of applications. It is also designed with extremely high-temperature tolerance, making it ideal for use in extreme temperatures. Additionally, it is highly durable and has a long life, making it an ideal cost-effective solution.

Conclusion

The 23ESA472MWA15A is a highly versatile four-terminal, multi-turn, panel-mounted rotary potentiometer with an internal wiper-cage lock for improved accuracy and reliability. It has a wide range of application fields, including detection of inrush current, monitoring current overload protection, and measuring line voltage in a system. The device has both linear and logarithmic resistance adjustment features, as well as an overload feature to protect the device and system from damage. Furthermore, it has a high degree of accuracy and reliability and is highly durable with a long life. Therefore, the 23ESA472MWA15A is an excellent choice for a large variety of applications.

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