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
