Case Earthing Continuity Contact - DEMA 400 Series User Manual

3.23 Case Earthing Continuity Contact

Provides the earthing continuity of the internal unit to the casing. The low-resistance spring
contact is rated for prospected earth fault current.
3.24 Faraday Cage
Digital signal processors, microprocessors and other critical components are safely embedded
within the Faraday cage, clear of wave or field effects that may jeopardize the performance of
the relay
24