FN355-20-03

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Power line filters are electrical devices used to reduce electrical noise and interference on power wires by providing a barrier between a power supply and the load. FN355-20-03 power line filter modules are an example of a type of filter module designed to suppress common- and differential-mode noise levels in power distribution systems. In this brief article we are going to discuss the application field of the FN355-20-03 filter module and its working principle.

FN355-20-03 power line filter modules are used in power distribution systems where common- and differential-mode noise levels need to be reduced. These noise levels can result from electrical components such as inductors, transformers, motors, or other devices, and can interfere with the operation of sensitive equipment such as PCs or ATM machines. The FN355-20-03 filter module can help to isolate these components from one another, reducing the noise in the system and allowing the system to work more efficiently.

The FN355-20-03 power line filter module is a three phase filter with three filter elements. Each filter element has one common mode choke, one differential mode inductor and two capacitors. The common mode chokes provide suppression of common mode noise and attenuation of differential mode noise. The differential mode inductors help reduce the amount of electrical current transferred to loads and the capacitors provide additional noise reduction and filtering.

The FN355-20-03 power line filter module is also designed with a wide frequency range of 20kHz to 20MHz. This wide range allows for the suppression of both high and low frequency noise. The module is designed to be installed between the power distribution system and components that require noise reduction. It can also be used for dedicated power lines, ensuring clean and consistent power to sensitive electrical components.

The FN355-20-03 power line filter module is designed to be easy to install and maintain. The filter can be mounted in a standard 19" rack, or on a DIN rail. Additionally, the filters are designed for both open and closed loop systems operating at a frequency of up to 8kHz. The design features a built-in thermal fuse that will shut down the filter if it is overloaded, and a built-in lightning arrestor that will protect the filter from lightning damage.

In summary, the FN355-20-03 power line filter module is designed to reduce common- and differential-mode noise levels in power distribution systems. It is designed with three filter elements, a wide frequency range, easy installation and maintenance, and built-in protection features. These features make the FN355-20-03 filter ideal for use in power distribution systems that demand a reliable and efficient noise reduction solution.

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