Table of contents Figure 6-8 Installation height for operating means of the supply disconnecting device ................................ 92 Figure 6-9 Supply disconnecting device for excepted circuit ........................................................................ 93 Figure 6-10 Example: Warning label ............................................................................................................... 94 Figure 6-11 Example: Device for removal of power for prevention of unexpected start-up ............................ 95 Figure 6-12 Example: Device with plug-in fuses .............................................................................................
96 Figure 6-13 Example: Contactor as device for removal of power for prevention of unexpected start-up ....... 97 Figure 6-14 Padlock to prevent reconnection ................................................................................................. 99 Figure 6-15 Lockable door-coupling rotary operating mechanism of a 3VA... molded case circuit breaker ......................................................................................................................................... 99 Figure 6-16 Protective measures in accordance with IEC 60364-4-41 .........................................................
101 Figure 6-17 Motor starter with appropriate enclosure for use in the field ...................................................... 103 Figure 6-19 Control panel locked by means of a key or by screw connections ............................................ 104 Figure 6-18 Control panel with appropriate enclosure .................................................................................. 103 Figure 6-20 Opening a control panel with a door lock interlocked with the supply disconnecting device ....
104 Figure 6-21 Using a tool to open a control panel with a door lock interlocked with the supply disconnecting device .................................................................................................................. 105 Figure 6-22 Labeling of components that are still live even though the supply disconnecting device is open ........................................................................................................................................... 106 Figure 6-23 Removal of cable insulation by destruction ...............................................................................
107 Figure 6-24 Cable freely installed on cable rack ........................................................................................... 107 Figure 6-25 Cable installed in cable duct ...................................................................................................... 108 Figure 6-26 Example: Warning notice to protect against residual voltages .................................................. 108 Figure 6-27 Example: Touch voltage 115 V with one protective conductor (standard installation) .............. 112 Figure 6-28 Example: Touch voltage 50 V with 2 protective conductors ...................................................... 112 Figure 6-29 Example:
Hand-held class I equipment and residual current protective devices ...................... 114 Figure 6-30 Example: Reducing the current-carrying capacity of conductors .............................................. 122 Figure 6-31 Design of overcurrent protective devices according to the maximum prospective short- circuit current at the incoming supply point. ............................................................................... 124 Figure 6-32 Prospective short-circuit value at the incoming supply point to the machine ............................ 126 Figure 6-33 Example: Short-circuit attenuation as a function of cable length and cross-sectional area ......
129 Figure 6-34 Example: Influence of the cable length and cross-sectional area ............................................. 130 Figure 6-35 Largest possible and smallest possible short-circuit in the machine. ........................................ 131 Figure 6-36 Excerpt from the Siemens SIMARIS Design software, comparison of Ikmin at 20 m and 100 m cable length ..................................................................................................................... 131 Figure 6-38 Example: Type of coordination 2 ............................................................................................... 138 Figure 6-37 Example:
Type of coordination 1 ............................................................................................... 137 Control Panels compliant with IEC Standards and European Directives Reference Manual, 10/2017, A5E38284819002A/RS-AB/002 15