The BCU by Exxelia is a Power Supply Protection Filter for use in the aerospace, medical and energy industries. It has a current rating of up to 800 A and a voltage rating of 220 - 400 V. This filter has AC protection up to 400 Hz and an insertion loss of up to 100 dB (at 10 kHz) with a low leakage current. It has an asymmetric design with common choke and feedthrough mounting. This RoHS and MIL-STD 461 complaint filter is ideal for applications such as TEMPEST, TEMPEST zoning, Anechoic chambers, and Faraday Cages & Shelters.