User manual

Standard Symbols
iv Manual Name
702357-3EN1 REV nn/nnnn
Fuse
Direct current
Alternating current
Both direct and alternating current
Three-phase alternating current
Earth (ground) terminal
Protective conductor terminal
Frame or chassis terminal
Equipotentiality
ON (supply)
OFF (supply)
ON (only for a component of the system equipment)
OFF (only for a component of the system equipment)
Equipment protected throughout by double insulation or
reinforced insulation (Equivalent to Class II of IEC 536)