DE1… variable speed starter 11/16 MN040011EN www.eaton.com 1Content0 About this manual ..................................................................... 50.1 Target group................................................................................. 50.2 List of revisions ............................................................................ 50.3 Additional documents .................................................................. 50.4 Writing conventions ..................................................................... 60.4.1 Hazard warnings of material damages ......................................... 60.4.2 Hazard warnings of personal injury .............................................. 60.4.3 Tips............................................................................................... 60.5 Abbreviations ............................................................................... 70.6 Mains supply voltages.................................................................. 80.7 Units of measurement ................................................................. 81 DE1... series ................................................................................ 91.1 Introduction .................................................................................. 91.2 System overview ......................................................................... 111.3 Checking the Delivery .................................................................. 121.4 Rated operational data ................................................................. 131.4.1 Rating data on the nameplate ...................................................... 141.4.2 Designation .................................................................................. 151.5 Designation .................................................................................. 161.6 Voltage categories........................................................................ 171.7 Selection criteria........................................................................... 181.8 Proper use.................................................................................... 191.9 Maintenance and inspection ........................................................ 201.10 Storage......................................................................................... 201.11 Charging the internal DC link capacitors ...................................... 211.12 Service and warranty.................................................................... 212 Engineering................................................................................. 232.1 Introduction .................................................................................. 242.2 Electrical power network ............................................................. 252.2.1 Mains connection and configuration ............................................ 252.2.2 Mains voltage and frequency ....................................................... 262.2.3 Total Harmonic Distortion (THD) .................................................. 262.2.4 Reactive power compensation..................................................... 272.3 Safety and switching.................................................................... 282.3.1 Disconnecting device ................................................................... 282.3.2 Fuses and cable cross-sections ................................................... 282.3.3 Residual current circuit-breaker (RCD) ......................................... 292.3.4 Mains contactors.......................................................................... 302.3.5 Using a bypass connection .......................................................... 30