Electrical Diagram Relay Symbols. Basics 7 4 16 kv 3 line diagram. Basics 6 7 2 kv 3 line diagram.
The relay are switching devices activated by signals. Cont ground chassis or frame not necessarily grounded plug and recp. Table 1 standard elementary diagram symbols switches selectors push buttons momentary contact push buttons maintained contact pilot lights instant operating contacts timed contacts the diagram symbols in table 1 are used by square d and where applicable conform to nema national electrical manufacturers a ssociation standards.
2 time delay starting or closing relay 3 checking or interlocking relay 4 master contactor.
Relays symbols for use in electrical pneumatic and hydraulic schematic diagrams. Available in svg png jpg dxf dwg formats. A relay is an electrical switch that has a set of control terminal contact terminals. The following table lists some switches and relays electrical symbols in our electrical diagram software.
