FANOX SIL-A - Table of Contents

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RECEPTION, HANDLING, INSTALLATION ................................................................. 6
1.1 Unpackaging ................................................................................................................. 6
1.2 Reception of relays ....................................................................................................... 6
1.3 Handling electronic equipment ................................................................................... 6
1.4 Installation, commissioning and service ................................................................... 7
1.5 Storage........................................................................................................................... 7
1.6 Recycling ....................................................................................................................... 7
DIMENSIONS AND CONNECTION DIAGRAMS .......................................................... 8
2.1 SILA LPCT model (SILAXX) ......................................................................................... 8
2.1.1 Front view ...................................................................................................................... 8
2.1.2 Case dimensions .......................................................................................................... 9
2.1.3 Cut-out pattern ............................................................................................................ 10
2.1.4 Connection diagrams ................................................................................................. 11
Analog connections .................................................................................................... 11
Digital connections ..................................................................................................... 11
2.1.5 Terminals ..................................................................................................................... 12
2.2 Standard SILA ............................................................................................................. 14
2.2.1 Front view .................................................................................................................... 14
2.2.2 Case dimensions ........................................................................................................ 15
2.2.3 Cut-out pattern ............................................................................................................ 16
2.2.4 Connection diagrams ................................................................................................. 17
Analog connections .................................................................................................... 17
Digital connections ..................................................................................................... 18
2.2.5 Terminals ..................................................................................................................... 19
DESCRIPTION ............................................................................................................. 21
3.1 Introduction ................................................................................................................. 21
3.2 Description .................................................................................................................. 21
3.3 Functional diagram ..................................................................................................... 26
3.4 Selection & Ordering codes ...................................................................................... 27
3.5 Phase CT and neutral CT selection .......................................................................... 28
3.5.1 Load Curve for SIL-A (1A) .......................................................................................... 29
3.5.2 Load Curve for SIL-A (5A) .......................................................................................... 29
PROTECTION FUNCTIONS ........................................................................................ 30
4.1 Function 50. Instantaneous phase overcurrent ...................................................... 30
4.2 Function 50/51. Inverse time phase overcurrent ..................................................... 30
4.3 Function 50G. Instantaneous measured neutral overcurrent ................................ 31
4.4 Function 50/51G. Inverse time measured neutral overcurrent .............................. 32
4.5 Function 46. Phase balance current protection ...................................................... 33