WIRING DIAGRAM SWITCH SYMBOL

Typical Electrical Drawing Symbols and Conventions.
PDF fileELEMENTARY DIAGRAM CONNECTIONS WIRE NUMBERING. 8. 9. ABBREVIATIONS. ANSI/IEEE Standard Device Numbers. 1 - Master Element 2 - Time Delay Starting or Closing Relay 3 - Checking or Interlocking Relay 4 - Master Contactor 5 - Stopping Device 6 - Starting Circuit Breaker 7 – Rate of Change Relay 8 - Control Power Disconnecting Device 9 - Reversing
Electrical Relay Diagram and P&ID Symbols From Industrial
PDF fileDiagram Symbols wwwstrialtext 1-800-752-8398 ELECTRICAL RELAY DIAGRAM SYMBOLS SWITCHES Disconnect Circuit Interrupter Limit Neutral Position Circuit Breaker Normally Open Normally Closed Held Closed Held Open Actuated Maintained Position Closed Open Proximity Switch Limit (cont.) Normally Open Normally Closed Liquid Level Vacuum & Pressure Normally Open Normally Closed