2 DC1-S…20…, DC1-S…OE1 Variable Frequency Drives 05/21 MN040058EN www.eaton.com
2.4 Safety and switching.................................................................... 31
2.4.1 Disconnecting device................................................................... 31
2.4.2 Fuses ........................................................................................... 32
2.4.3 Residual current circuit-breaker (RCD)......................................... 32
2.4.4 Mains contactors ......................................................................... 33
2.5 Mains chokes............................................................................... 34
2.6 Radio interference suppression filter........................................... 35
2.7 Braking resistances...................................................................... 36
2.8 Switching to the output side........................................................ 38
2.8.1 Contactors.................................................................................... 38
2.8.2 switch-disconnectors ................................................................... 38
2.9 Single-phase AC motors .............................................................. 39
2.9.1 Split pole motor............................................................................ 40
2.9.2 Split-phase motors ....................................................................... 41
2.9.3 Capacitor-start/induction-run motors............................................ 42
2.9.4 Capacitor motor (PSC-Motor)....................................................... 42
2.9.5 Capacitor-start/capacitor-run motors............................................ 43
2.9.6 Three-phase motors run from a single-phase supply
(Steinmetz connection) ................................................................ 44
2.9.7 Motor Selection ........................................................................... 45
2.9.8 Connecting EX motors................................................................. 45
3 Installation.................................................................................. 47
3.1 Introduction.................................................................................. 47
3.2 Mounting position........................................................................ 47
3.3 Mounting ..................................................................................... 48
3.3.1 Mounting position........................................................................ 49
3.3.2 Cooling measures ........................................................................ 49
3.3.3 Fixing ........................................................................................... 51
3.4 IP66 / NEMA4X degree of protection .......................................... 54
3.5 EMC installation........................................................................... 55
3.5.1 EMC measures in the control panel............................................. 55
3.5.2 Grounding .................................................................................... 57
3.5.3 Internal filters (EMC and VAR screws)......................................... 58
3.5.4 Screen earth kit............................................................................ 60
3.5.5 EMC cable brackets ..................................................................... 61
3.5.6 General installation diagram......................................................... 63
3.6 Electrical Installation .................................................................... 64
3.6.1 Connection to power section....................................................... 65
3.6.2 Connection on control section ..................................................... 74
3.6.3 Thermistor connection................................................................. 83
3.7 Block diagrams............................................................................. 84
3.7.1 DC1-S1…, DC1-S2… ................................................................... 85
3.7.2 DC1-S1…-A66…, DC1-S2…-A66… ............................................. 86
3.7.3 DC1-S1…-A6S…, DC1-S2…-A6S…............................................. 87