Eaton PowerXL DC1 - Page 6

2 DC1 Variable Frequency Drive 04/16 MN04020003Z-EN www.eaton.com
2.3 Cable cross-sections.................................................................... 39
2.4 Safety and switching.................................................................... 40
2.4.1 Disconnecting device................................................................... 40
2.4.2 Fuses ........................................................................................... 40
2.4.3 Residual current circuit-breaker (RCD)......................................... 41
2.4.4 Mains contactors ......................................................................... 41
2.5 Mains chokes............................................................................... 42
2.6 Radio interference suppression filter........................................... 43
2.7 Braking resistances...................................................................... 44
2.8 Motor chokes............................................................................... 47
2.9 Sine filter...................................................................................... 48
2.10 Switching to the output side........................................................ 49
2.10.1 Contactors.................................................................................... 49
2.10.2 switch-disconnectors................................................................... 50
2.10.3 Bypass circuit............................................................................... 51
2.10.4 Connecting Motors in Parallel...................................................... 52
2.11 Three-phase motor....................................................................... 54
2.11.1 Motor Selection ........................................................................... 54
2.11.2 Circuit types with three-phase motors......................................... 55
2.11.3 Single-phase AC motors .............................................................. 56
2.11.4 Connecting EX motors................................................................. 56
3 Installation.................................................................................. 57
3.1 Introduction.................................................................................. 57
3.2 Mounting position........................................................................ 57
3.3 Mounting ..................................................................................... 58
3.3.1 Mounting position........................................................................ 59
3.3.2 Cooling measures ........................................................................ 59
3.3.3 Fixing ........................................................................................... 62
3.4 IP66 / NEMA4X degree of protection .......................................... 65
3.5 EMC installation........................................................................... 66
3.5.1 EMC measures in the control panel............................................. 66
3.5.2 Earthing........................................................................................ 68
3.5.3 Internal filters (EMC and VAR screws)......................................... 69
3.5.4 Screen earth kit............................................................................ 71
3.5.5 EMC cable brackets ..................................................................... 72
3.5.6 General installation diagram......................................................... 74
3.6 Electrical Installation .................................................................... 75
3.6.1 Connection to power section....................................................... 76
3.6.2 Connection on control section ..................................................... 86
3.6.3 Thermistor connection................................................................. 95