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NA10 - Manual - 04 - 2022
TABLE OF CONTENTSTABLE OF CONTENTS
1 INTRODUCTION 5
Scope and liability ...........................................................................................................................................................................................5
Applicability ......................................................................................................................................................................................................5
Conformity ........................................................................................................................................................................................................5
Technical support ............................................................................................................................................................................................5
Copyright ...........................................................................................................................................................................................................5
Warranty ...........................................................................................................................................................................................................5
Safety recommendations ...............................................................................................................................................................................5
Insulation tests ................................................................................................................................................................................................5
Product identification .....................................................................................................................................................................................6
Environment .....................................................................................................................................................................................................6
Graphical conventions ...................................................................................................................................................................................6
Glossary/definitions ........................................................................................................................................................................................6
2 GENERAL 10
Preface ........................................................................................................................................................................................................... 10
Photo .............................................................................................................................................................................................................. 10
Main features .................................................................................................................................................................................................11
3 TECHNICAL DATA 12
3.1 GENERAL ............................................................................................................................................................................................................12
Product standard for measuring relays .....................................................................................................................................................12
Mechanical data ...........................................................................................................................................................................................12
Insulation ........................................................................................................................................................................................................12
Voltage dip and interruption ........................................................................................................................................................................12
EMC tests for interference immunity .........................................................................................................................................................12
Emission ......................................................................................................................................................................................................... 13
Mechanical tests .......................................................................................................................................................................................... 13
Climatic tests ................................................................................................................................................................................................. 13
Safety ............................................................................................................................................................................................................. 13
Certifications ................................................................................................................................................................................................. 13
3.2 INPUT CIRCUITS ...............................................................................................................................................................................................14
Auxiliary power supply
U
aux
.......................................................................................................................................................................14
Phase current input circuits ........................................................................................................................................................................14
Residual current input circuit ......................................................................................................................................................................14
Binary input circuits ......................................................................................................................................................................................14
Block input (logic selectivity) ......................................................................................................................................................................14
3.3 OUTPUT CIRCUITS ............................................................................................................................................................................................14
Output relays ..................................................................................................................................................................................................14
Block output (Logic selectivity) ...................................................................................................................................................................14
3.4 MMI .....................................................................................................................................................................................................................15
3.5 COMMUNICATION INTERFACES ...................................................................................................................................................................15
Local port ........................................................................................................................................................................................................15
Remote ports ..................................................................................................................................................................................................15
3.6 GENERAL SETTINGS ........................................................................................................................................................................................15
3.7 PROTECTIVE ELEMENTS .................................................................................................................................................................................15
Thermal protection with Pt100 probes - 26 ...............................................................................................................................................15
Phase overcurrent - 50/51 ............................................................................................................................................................................15
Residual overcurrent - 50N/51N .................................................................................................................................................................17
Breaker Failure - BF ..................................................................................................................................................................................... 18
3.8 CONTROL AND MONITORING ....................................................................................................................................................................... 19
Second harmonic restraint - 2ndh-REST .................................................................................................................................................. 19
Trip Circuit Supervision - 74TCS ................................................................................................................................................................. 19
Selective block - BLOCK2 ........................................................................................................................................................................... 19
Circuit Breaker monitoring ......................................................................................................................................................................... 19
CT supervision - 74CT .................................................................................................................................................................................. 19
Pilot wire diagnostic .................................................................................................................................................................................... 19
Demand measures ....................................................................................................................................................................................... 19
Oscillography (DFR) ..................................................................................................................................................................................... 20
PLC and PLC2 (Programmable Logic Controller) ..................................................................................................................................... 20
3.9 MEASURES ........................................................................................................................................................................................................21
Accuracy (type tests)....................................................................................................................................................................................21
Measures ........................................................................................................................................................................................................21
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