Appendix - Siemens SENTRON Instructions Manual
Residual current protective devices
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Also See for SENTRON:
- Manual (224 pages) ,
- Configuration manual (80 pages) ,
- Product manual (46 pages)
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9.
Appendix
A.1
Key terms and definitions (according to DIN VDE 0100-200)
Phase conductors (symbol L1, L2, L3)
Conductors that connect current sources to current-using equipment but that do
not originate at the center point or neutral point.
Neutral conductor (symbol N)
Conductor that is connected to the center point or neutral point and that is suitab-
le for transmitting electricity.
Protective conductor (symbol PE)
Conductor required for certain protective measures against hazardous electric
shock currents in order to establish an electrical connection with one of the
following parts:
• Exposed conductive part of the electrical equipment
• External conductive parts
• Main ground terminal
• Ground electrode
• Ground point of the current source or artificial neutral point
PEN conductor
Grounded conductor that simultaneously functions as the protective conductor
and the neutral conductor.
Rated voltage (in an installation)
Voltage that characterizes an installation or part of an installation.
Touch voltage
Voltage that may be present between simultaneously touchable parts in the event
of an insulation fault.
Live part
Conductor or conductive part that is intended to be live during normal operati-
on, including the neutral conductor but (according to agreement) not the PEN
conductor.
Appendix
63
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