Circuit breaker is meant to protect electrical circuit from damage caused by overload or short circuit of electric current. By making use of a circuit breaker, the fault condition in electricity can be aptly detected and current flow can be interrupted. Circuit breakers can be reset either manually or automatically to operate normally. These are available in various sizes to protect various kinds of appliances ranging from individual household appliance to large switchgear.
Types of Circuit Breakers
The circuit breakers can be distinguished on the basis of their features of voltage class, type of construction, voltage interruption type and structural features. There are many different types of circuit breakers:
- Low-voltage circuit breakers
- Medium voltage circuit breakers
- High voltage circuit breakers
- Magnetic circuit breakers
- Thermal magnetic circuit breakers
- Common trip breakers
- Disconnecting circuit breaker
- Sulfur hexafluoride (SF6) high-voltage circuit breakers
Buy SF6 Circuit Breaker Online
A circuit breaker in which the sulfur Hexafluoride or SF6 gas operates the current carrying contacts is known as SF6 (Sulfur Hexafluoride) circuit breaker. They are commonly used for transmission-level voltages and may be incorporated into compact gas-insulated switchgear. In extreme cold climate, de-rating or supplemental heating of the circuit breakers may be needed because the SF6 gas may be liquefied.
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