Download complete Circuit Breaker, Switch, and Contacts Symbol CAD Blocks in DWG format, perfect for electrical schematics, control panels, and wiring diagrams. This comprehensive set includes symbols for miniature circuit breakers (MCB), molded case circuit breakers (MCCB), isolators, SPST/SPDT switches, push buttons, selector switches, limit switches, relays, NO/NC contacts, and auxiliary contacts—drawn to IEC and ANSI standards. Ideal for electrical engineers, automation designers, and panel builders, these blocks ensure precise documentation and layout compliance across all electrical design platforms.
Circuit Breaker & Switch Symbols | CAD DWG Set













