Diagram Air Circuit Breaker Parts Name

An air circuit breaker also known as an air blast circuit breaker or acb is an automatically operated electrical switch that uses air to protect an electrical circuit from damage caused by excess current from an overload or short circuit its primary function is to interrupt current flow after a fault is detected.

Diagram air circuit breaker parts name.

Air break circuit breaker in air break circuit breaker the arc is initiated and extinguish in substantially static air in which the arc moves. Air circuit breaker has several advantages over the oil as an arc quenching medium. An air circuit breaker is a circuit operation breaker that operates in the air as an arc extinguishing medium at a given atmospheric pressure. Air circuit breaker acb air circuit breaker acb is an electrical protection device used for short circuit and overcurrent protection up to 15kv with amperes rating of 800a to 10ka.

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. When the current is greater than 100a these gases get dissociated into atoms which changes the characteristics of the arc on account of the associated change in its thermal conductivity. Such breakers are used for low voltages generally up to 15kv and rupturing capacities of 500mva. The arc in the air circuit breaker runs in a mixture of nitrogen oxygen and copper vapour.

What is air circuit breaker. Unlike a fuse which operates once and then must be replaced a circuit breaker can be reset either manually or automatically to resume.