Air Circuit Breaker Symbol

It operates in air where air blast as an arc quenching medium at atmospheric pressure to protect the connected electric circuits.

Air circuit breaker symbol.

Available in svg png jpg dxf dwg formats. Unlike a fuse which operates once and then must be replaced a circuit breaker can be reset either manually or automatically to resume. Plain break type air break circuit breaker. Circuit breakers symbols for use in electrical pneumatic and hydraulic schematic diagrams.

This symbol represents circuit breaker with three poles. A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by excess current from an overload or short circuit its basic function is to interrupt current flow after a fault is detected. The air circuit breakers are mostly of three types and are widely used for maintaining the indoor medium voltage and switch gears of the home. It connects three phases whenever there is an overload or short circuit in any phase the circuit breaker trips all three phases simultaneously.

The main points of contacts are made in the shape of two horns. Plain brake air circuit breakers are the simplest form of air breakers. Such kind of breakers is used in three phase systems in industries.