Table Of Contents - DEMA 400 Series User Manual

I. Index
I. Index .......................................................................................................................... 2
1. Introduction .............................................................................................................. 16
2. General Characteristics of 400 Series Relays .......................................................... 16
General Features of 400 Series Relays ..................................................................................... 19
3. Physical Properties of 400 Series Relays ................................................................. 20
3.1 Case ..................................................................................................................... 20
"Phase Fault" LED ............................................................................................. 20
3.2
"Earth Fault" LED ............................................................................................. 20
3.3
3.4 Trip LED ............................................................................................................. 20
3.5 Alarm LED .......................................................................................................... 20
3.6 Power LED ......................................................................................................... 21
3.7 Internal Error LED ............................................................................................. 21
3.8 Ethernet Port ...................................................................................................... 21
3.5" TFT Display ............................................................................................... 21
3.10
3.11 Multifunctional Buttons ................................................................................................. 21
3.12 Internal Unit Lock .......................................................................................................... 21
3.13 Reset Button ..................................................................................................................... 21
3.14 IP52 Reset Button ............................................................................................................. 21
3.15 Device Label .................................................................................................................... 22
3.16 Case Earthing Screw ........................................................................................................ 22
3.17 Terminal Blocks ............................................................................................................... 22
3.18 Special Coating Case ........................................................................................................ 22
3.19 Circuit Diagram ................................................................................................................ 23
3.20 Internal Unit ..................................................................................................................... 23
3.21 Mounting Screws for the Cover ....................................................................................... 23
3.22 Internal Unit Tracks ......................................................................................................... 23
3.23 Case Earthing Continuity Contact .................................................................................... 24
3.24 Faraday Cage .................................................................................................................... 24
3.25 Unit Terminal Blocks ....................................................................................................... 25
3.26 Internal Unit Tracks ......................................................................................................... 25
3.27 Internal Unit Locking Mechanism ................................................................................... 25
3.28 Internal Unit Lock Handle and Release Trigger .............................................................. 25
2