4.4 Signals ................................................................................................................. 29
4.4.1 Voltage detectors .................................................................................................. 29
4.4.2 Overcurrent indicator............................................................................................. 29
4.4.3 Trip indicator ......................................................................................................... 29
4.5 Short-form instructions ...................................................................................... 30
5. REMOTE SIGNALLING AND REMOTE CONTROL ............................. 31
5.1 Connection .......................................................................................................... 31
5.2 Remote signalling (option) ................................................................................. 31
5.3 Remote control .................................................................................................... 31
5.3.1 24 V DC Remote tripping (option) .......................................................................... 31
5.3.2 24 V DC Remote closing (option) .......................................................................... 32
5.4 24 V DC Tripping for external protection ........................................................... 32
5.5 Local closing ....................................................................................................... 32
6. INSPECTION AND MAINTENANCE ..................................................... 33
6.1 Introduction ......................................................................................................... 33
6.2 Inspections .......................................................................................................... 33
6.2.1 Inspecting cable connections ................................................................................ 33
6.2.2 Inspecting switching functions ............................................................................... 33
6.2.3 Inspection of the moisture absorbing agent ........................................................... 34
6.2.4 Testing voltage detection ...................................................................................... 34
6.2.5 Inspecting the protection relay .............................................................................. 34
6.2.6 Inspecting the overcurrent indicator ....................................................................... 34
6.3 Decommissioning the unit .................................................................................. 34
6.3.1 Material processing after dismantling .................................................................... 34
7. ACCESSORIES AND OPTIONS ........................................................... 35
7.1 Supplied accessories .......................................................................................... 35
APPENDIX 1 – FLOOR PLANS ....................................................................... 39
APPENDIX 2 – VOLTAGE DETECTING SYSTEM (WEGA) ........................... 45
APPENDIX 3 – ORION 3.0 ............................................................................... 48
APPENDIX 4 – SHORT CIRCUIT INDICATOR ............................................... 49
APPENDIX 5 – TARIFF METERING 12KV ...................................................... 50