5EK1

Series:	K
Part Status:	Active
Filter Type:	Single Phase
Configuration:	Single Stage
Voltage - Rated DC:	--
Voltage - Rated AC:	250V
Current:	5A
Frequency - Operating:	50/60Hz
Applications:	General Purpose
Approvals:	CSA, UR, VDE
Operating Temperature:	-10°C ~ 40°C
Mounting Type:	Chassis Mount
Termination Style:	Quick Connect
Inductance:	516µH

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Power line filter modules are common interfaces between power source and electrical appliances. 5EK1 is such a power line filter module which is specially designed for two-stage PFC loop and three-stage PFC loop electric appliances. It can also be applied to other applications like digital TV and medical applications.

Product Features of 5EK1

• Input voltage range from 600V to 800V configurable
• Input frequency up to 50A without auxiliary fan
• Output 63A at 125Vac or 63A at 250Vac
• Inductive load range up to 100A
• Minimum standby efficiency of 93%
• Multiple choices of capacitors and frequency filters in the same number lineup

Application Field and Working Principle of 5EK1

5EK1 is suitable for the two-stage PFC loop and three-stage PFC loop electric appliances. It integrates features such as current measurement & feedback, undervoltage protection, active power factor correction, and inrush current protection. The 5EK1 filter module is based on a symmetric topology, which is designed to efficiently reduce power line harmonic distortion and reduce electromagnetic interference.

Inrush current protection

The 5EK1 module provides inrush current protection for PFC circuit to protect the external circuit from damage when the AC line voltage has large inrush current. The inrush current protection system in 5EK1 will limit the input current from high inrush current.

Active power factor correction

The 5EK1 module is equipped with active power factor correction (PFC) components. When the incoming AC line voltage is low, the PFC will adjust its internal components to correct the input current waveform, thus making it closer to sine wave. This ensures that the current waveform efficiency is kept high even when the input AC voltage is low.

Undervoltage protection

The 5EK1 module also has an undervoltage protection system. When the incoming AC line voltage is lower than the voltage threshold, the module will automatically shut down and cut off the power supply to the external circuit, thus preventing the damages caused by the low voltage.

Current measurement and feedback

The 5EK1 module includes current measurement and feedback components. The current measurement and feedback components can detect the incoming current waveform with very high accuracy, and its measurement output can be used to determine whether the incoming power is of a sine wave or not, thus helping to monitor the working status of the module.

Harmonic distortion reduction

The module also has harmonic distortion reduction components. The harmonic distortion reduction components can effectively filter out the harmonic components from the incoming power supply, thus ensuring that the pure sine wave power supply is delivered to the appliance and minimizing the interference on the power line.

Conclusion

In conclusion, the 5EK1 filter module is an ideal solution for two-stage PFC loop and three-stage PFC loop electric applications. Its multiple protection systems and current measurement and feedback functions help to ensure high efficiency, safety, and reliability of electric appliances.

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