FI4D002R9A

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Part Status:	Active

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FI4D002R9A Application Field and Working PrincipleFI4D002R9A is a type of multi-function, temperature-sensing switch that is primarily used in automotive applications to regulate power. Primarily, FI4D002R9A can be found in various parts and components of a vehicle, such as sensors, engines, alternators, starter motors, fuel pumps, fan motors, and other electronic systems. By using either a custom switch configuration or an off-the-shelf switch assembly, the FI4D002R9A can be programmed to detect varying temperatures and actuate a number of different outputs in response.The industrial application of FI4D002R9A switches can be found in a wide range of industries. These switches may be used in an array of different safety and compliance applications such as access control, medical equipment, fire control systems, etc. Additionally, FI4D002R9A switches may be used in industrial process control and monitoring, such as controlling motors, pumps, fleets of vehicles, data centers, etc. These switches can be used to detect certain markers, including temperature, and can provide data and information to different departments and individuals accordingly.The working principle of FI4D002R9A is based on the combined usage of a reliable temperature sensing and switching mechanism. The sensor portion consists of a bimetallic strip which is composed of two metals having different thermal expansion coefficients. When a change in ambient temperature occurs, the strip bends and exerts mechanical force onto the switching portion. The switching portion consists of an electromagnetic solenoid, which when energized, pulls on a lever or plunger of the EEPROM switch. In turn, this contact action opens or closes the circuit as needed.Additionally, the direction of travel of the plunger can be adjusted using an adjustable eccentric screw, which in turn affects the timing and action of the switch depending on the temperature change. This gives the switch better control and accuracy. Additionally, the FI4D002R9A can be set to a specific on and off temperature point, which is done by adjusting the pot on the side of the switch. This provides the staff with greater control of the temperature at which the switch reacts.Due to its versatile nature, the FI4D002R9A is a highly effective and efficient temperature-sensing switch, providing a cost-effective yet reliable means of controlling power output and regulating temperature. The FI4D002R9A is available in both custom and off-the-shelf switch configurations, and is easily installable and simple to maintain. It is suitable for various types of industrial and automotive applications, making it an ideal choice for many applications.

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