WAGO 787-1211, Manual

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Compact Power Table of Contents 3
787-1211 DC power supply, 12 V
Manual
Version 1. 1 .0
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Table of Contents
1 Notes about this Documentation ............................................................5
1.1 Validity of this Documentation ...............................................................5
1.2 Copyright..............................................................................................5
1.3 Symbols ...............................................................................................6
1.4 Number Notation ..................................................................................8
1.5 Font Conventions .................................................................................8
2 Important Notes.......................................................................................9
2.1 Legal Bases .........................................................................................9
2.1.1 Subject to Changes ..........................................................................9
2.1.2 Personnel Qualification.....................................................................9
2.1.3 Use of the 787 Series in Compliance with Underlying Provisions .......9
2.1.4 Technical State of the Devices .......................................................10
2.2 Safety Advice (Precautions) ................................................................11
2.2.1 Special Notes for Use in Accordance to EN 60335-1 .......................13
2.2.2 Special Notes on Use as a DIN-Rail Built-in Installation Device .......14
3 Device Description ................................................................................15
3.1 View ...................................................................................................16
3.2 Type Plate ..........................................................................................17
3.3 Connectors .........................................................................................18
3.3.1 Connectors ....................................................................................18
3.3.1.1 Connector Input Side .................................................................19
3.3.1.2 Connector Output Side ..............................................................19
3.4 Display Elements ................................................................................20
3.5 Operating Elements ............................................................................21
3.5.1 Potentiometer ................................................................................21
3.6 Technical Data ...................................................................................22
3.6.1 Device Data ...................................................................................22
3.6.2 Input ..............................................................................................24
3.6.3 Output............................................................................................25
3.6.4 Efficiency/Power Loss ....................................................................28
3.6.5 MTBF/Lifespan...............................................................................29
3.6.6 Environmental Conditions...............................................................30
3.6.7 Equipment Protection .....................................................................32
3.6.8 Safety ............................................................................................33
3.7 Approvals ...........................................................................................34
3.8 Standards and Guidelines ...................................................................35
3.9 Other Information on Standards and Directives ...................................37
4 Mounting ...............................................................................................38
4.1 Mounting Positions .............................................................................38
4.2 DIN 35 Rail .........................................................................................39
4.2.1 DIN-Rail Mounting ..........................................................................39
4.2.2 Removal from DIN-Rail...................................................................40
4.3 Screw Mounting..................................................................................41
5 Connect Devices ...................................................................................42