Table of Contents 3
787-2861 Electronic Circuit Breaker
Manual
Version 1.3.1
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Table of Contents
1Notes about this Documentation .............................................................5
1.1 Validity of this Documentation.................................................................5
1.2 Copyright................................................................................................5
1.3 Symbols .................................................................................................7
1.4 Number Notation ....................................................................................9
1.5 Font Conventions ...................................................................................9
2Important Notes ......................................................................................10
2.1 Legal Bases..........................................................................................10
2.1.1 Subject to Changes..........................................................................10
2.1.2 Personnel Qualifications ..................................................................10
2.1.3 Use of the 787 Series in Compliance with Underlying Provisions.....10
2.1.4 Technical Condition of Specified Devices.........................................11
2.2 Safety Advice (Precautions) .................................................................12
3Device Description..................................................................................15
3.1 View .....................................................................................................17
3.2 Connectors...........................................................................................18
3.3 Display Elements..................................................................................19
3.4 Operating Elements..............................................................................20
3.5 Technical Data .....................................................................................21
3.6 Approvals .............................................................................................24
3.7 Standards and Guidelines ....................................................................25
4Function Description ..............................................................................26
4.1 Tripping Characteristics........................................................................26
4.2 Undervoltage and Overvoltage Detection .............................................28
4.3 Activating Capacitive Loads..................................................................29
4.4 ON delay ..............................................................................................29
4.5 Control Input S1....................................................................................30
4.6 Signal Output S2 ..................................................................................31
5Mounting..................................................................................................33
5.1 DIN-35 Rail...........................................................................................33
5.1.1 Mounting on DIN-Rail.......................................................................33
5.1.2 Removal from the DIN-Rail ..............................................................34
6Connect Devices .....................................................................................35
6.1 Connection Example ............................................................................35
6.1.1 Connection Example 787-2861/0xx0-0000.......................................35
6.1.2 Connection Example 787-2861/0108-0020 ......................................36
6.2 Distribute Potential ...............................................................................38
6.3 Bridging Voltage or Signal ....................................................................39
7Configuration (787-2861/0108-0020 only) ..............................................40
8Diagnostics..............................................................................................41
8.1 General Operating Statuses .................................................................41
List of Figures ..................................................................................................44
