www.fanox.com Rev.01 2/151
1RECEPTION, HANDLING, INSTALLATION ...............................................................5
1.1 Unpackaging .............................................................................................................5
1.2 Reception of relays...................................................................................................5
1.3 Handling electronic equipment ................................................................................5
1.4 Installation, commissioning and service .................................................................6
1.5 Storage......................................................................................................................6
1.6 Recycling ..................................................................................................................6
2DIMENSIONS AND CONNECTION DIAGRAMS ........................................................7
2.1 Equipment front view................................................................................................7
2.2 Equipment dimensions.............................................................................................7
2.3 Connection diagrams ...............................................................................................8
2.3.1 Analog current connections.....................................................................................8
2.3.2 Analog voltage connections.....................................................................................9
2.4 Terminals ................................................................................................................17
2.4.1 SILGxxxxxA0xxx .....................................................................................................17
2.4.2 SILGxxxxxAAxxx ....................................................................................................18
2.4.3 SILGxxxxxA7xxx .....................................................................................................19
3DESCRIPTION .........................................................................................................20
3.1 Introduction.............................................................................................................20
3.2 Description..............................................................................................................20
3.3 Functional diagram.................................................................................................27
3.4 Selection & Ordering codes ...................................................................................29
3.5 Phase CT and neutral CT selection........................................................................30
4CURRENT PROTECTION FUNCTIONS...................................................................30
4.1 Function 50. Instantaneous phase overcurrent.....................................................30
4.2 Function SOTF. Switch On To Fault.......................................................................31
4.3 Function 67. Inverse time directional phase overcurrent .....................................31
4.4 Function 50G. Instantaneous measured neutral overcurrent ...............................34
4.5 Function 50N. Instantaneous calculated neutral overcurrent...............................35
4.6 Function 67G. Inverse time directional measured neutral overcurrent ................35
4.7 Function 67N. Inverse time directional calculated overcurrent............................39
4.8 Function 46. Phase balance current protection ....................................................42
4.9 Function 46BC. Broken conductor detection ........................................................43
4.10 Function 49. Thermal Overload..............................................................................43
4.10.1 Thermal image measurement evolution graphic ...................................................44
4.10.2 Thermal image with memory ..................................................................................45
4.10.3 Thermal image measurement display. Reset.........................................................45
4.10.4 Thermal protection curves .....................................................................................46
4.11 Function 37. Instantaneous phase undercurrent ..................................................47
4.12 Function AFD. Arc Flash Detection........................................................................47
5VOLTAGE PROTECTION FUNCTIONS ...................................................................50
