Table of contents Figure 6-39 Parameters of conductors and protective devices ..................................................................... 143 Figure 6-40 Tripping characteristic of 3RV2021-4EA10 circuit breaker (excerpt from SIMARIS curves) ..... 149 Figure 6-41 Let-through energy characteristic of 3RV2021-4EA10 motor starter protector (excerpt Figure 6-42 Maximum cable length for a voltage drop of maximum 5 % ...................................................... 151 from SIMARIS curves) ...............................................................................................................
150 Figure 6-43 Assessment of the smallest possible short-circuit (excerpt from SIMARIS design) .................. 152 Figure 6-44 Comparison between "current-dependent" and "temperature-dependent" overtemperature protection.................................................................................................................................... 155 Figure 6-45 Examples: Components of the protective bonding circuit .......................................................... 158 Figure 6-46 Example: Protective conductor as a braided ribbon cable ......................................................... 160 Figure 6-47 Example:
Location at the bottom of the control panel ................................................................ 160 Figure 6-49 Example: Symbol IEC 60417-5019 ............................................................................................ 161 Figure 6-48 Example: Protective conductor with GREEN-AND-YELLOW insulation ................................... 160 Figure 6-50 Example: Bicolor combination GREEN-AND-YELLOW at the end of the grounding bar .......... 161 Figure 6-51 Example: Grounding of frequency converters on the mounting plate ........................................ 165 Figure 6-52 Symbol in accordance with IEC 60417-5020:
Frame or chassis ............................................... 168 Figure 6-53 Example: PVC sheathed cable with three copper cores, cross-sectional area 1.5 mmІ ........... 172 Figure 6-54 Symbol ISO 7010-W012 ............................................................................................................ 176 Figure 6-55 Symbol ISO 7010-W017 ............................................................................................................ 177 Figure 6-56 SIRIUS ACT pushbuttons and indicator lights from Siemens ....................................................
178 Figure 6-57 Functional identification on operator controls ............................................................................ 178 Figure 6-58 Functional identification next to operator controls ..................................................................... 178 Figure 6-59 Example: Nameplate for control panel ....................................................................................... 181 Figure 6-60 Example: Nameplate according to IEC 60204-1 and IEC 61439-1 ........................................... 182 Figure 6-61 Example: Reference designations on various items of equipment in the control panel ............ 182 Figure 6-62 Example:
End sleeve ................................................................................................................. 185 Figure 6-63 Example: Use of end sleeves at clamping points on equipment ............................................... 185 Figure 6-64 Example: Marking of terminals ................................................................................................... 186 Figure 6-65 Example: Separate routing of 24 V and 230 V/400 V circuits .................................................... 188 Figure 6-66 Example: Identification of single wires and equipment .............................................................. 189 Figure 6-67 Example:
Marking with the symbol IEC 60417-5019 ................................................................. 190 Figure 6-68 Example: Marking with GREEN-AND-YELLOW at the end of the protective conductor busbar ........................................................................................................................................ 190 Figure 6-69 Symbol IEC 60417-5021 ............................................................................................................ 191 Figure 6-70 Example: Installation in doors with flexible cables .....................................................................
193 Figure 6-71 Typical arrangement for fault loop impedance (ZS) measurement in TN systems .................... 198 Control Panels compliant with IEC Standards and European Directives 16 Reference Manual, 10/2017, A5E38284819002A/RS-AB/002