EPCOS / TDK LeaXield™ 3-Line Active Leakage Current Filters
EPCOS / TDK LeaXield™ 3-Line Active Leakage Current Filters are designed to dramatically reduce leakage currents, optimizing the RCD (residual current device) compatibility. LeaXield filters are inserted in the circuit between the RCD and the EMC line filter. EPCOS / TDK integrates a current sensor to measure the residual current across the three phases. A correspondingly 180° phase-shifted current with identical amplitude is then generated, which is capacitively coupled to the respective phases. The leakage currents are fed back into the system by means of the current sink thus created. This prevents them from flowing through the RCD and tripping it unintentionally. LeaXield can compensate for earth leakage currents of up to 1A. The compensation effect extends over a wide frequency range from 150Hz to about 30kHz.
Features
High leakage current compensationOptimization of residual current device (RCD) compatibilityEasy to installNo external power supply neededIP20 degree of protection
Specifications
CE conformity305VAC, 530VAC voltage rating50A current ratingWide frequency range from 150Hz to 30kHz1A peak load side leakage current
Applications
DrivesMachine toolsPumpsCompressorsTransport systemsPluggable machines
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