D0920 Arc-Detection Unit Rev. 0-D-070616
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TABLE OF CONTENTS
1 INTRODUCTION ............................................................................................................. 5
1.1 General ....................................................................................................................... 5
1.2 A0220 Point Sensor ................................................................................................... 5
2 OPERATION ................................................................................................................... 6
2.1 Front-Panel Controls and Indication .......................................................................... 6
2.1.1 Sensor Adjust ......................................................................................................... 6
2.1.2 ACTIVE and TEST Mode ....................................................................................... 6
2.1.3 Power ..................................................................................................................... 6
2.1.4 Tripped ................................................................................................................... 6
2.2 Auxiliary Relays ......................................................................................................... 6
2.2.1 Trip Indication ........................................................................................................ 6
2.2.2 Remote Signalling .................................................................................................. 6
3 INSTALLATION ............................................................................................................... 9
3.1 D0920 Arc-Detection Unit .......................................................................................... 9
3.2 A0220 Point Sensor ................................................................................................... 9
4 TECHNICAL SPECIFICATIONS ................................................................................... 12
4.1 D0920 ....................................................................................................................... 12
4.2 A0220 Point Sensor ................................................................................................. 14
5. ORDERING INFORMATION ......................................................................................... 15
6. WARRANTY .................................................................................................................. 15
7. PERFORMANCE TEST ................................................................................................ 15
APPENDIX A D0920 REVISION HISTORY ....................................................................... 17
LIST OF FIGURES
1 D0920 Arc Detection Unit .............................................................................................. 5
2 A0220 Point Sensor ....................................................................................................... 5
3 D0920 Outline and Mounting Details ............................................................................. 7
4 D0920 Typical Wiring Diagram ...................................................................................... 8
5 A0220 Outline and Connections .................................................................................. 10
6 A0220 Mounting Details ............................................................................................... 11
7 A0220 Detection Range for a 3 kA Fault ..................................................................... 11
LIST OF TABLES
1 Test Record .................................................................................................................. 16
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