Why choose DONGYA?
advantages

Quick Response - Circuit breakers are designed to respond very quickly to changes in the electrical current. When a fault or overload occurs, the circuit breaker will trip and turn off the power to the affected area within milliseconds. This quick response helps prevent damage to electrical equipment and appliances.

Greater Safety - Circuit breakers are more effective in protecting against electrical hazards than traditional fuses. They are designed to trip when an overload or fault occurs, effectively cutting the power supply to the circuit and reducing the risk of fire or injury.

Versatility - Circuit breakers can be used in a variety of electrical systems, including industrial, commercial, and residential settings. They can handle a range of electrical currents and are available in various sizes and types.

Long Service Life - Circuit breakers have a longer service life than fuses and don't deteriorate with age. This reduces maintenance costs and improves reliability.

Monitoring Capabilities - Some circuit breakers have built - in monitoring capabilities that can detect faults before they occur. This helps prevent equipment damage, downtime, and reduces the risk of fire.

What is a Circuit Breaker?
A circuit breaker is a device designed to automatically interrupt or open a circuit to protect electrical equipment from overcurrent or short circuits. A circuit breaker acts as a switch that automatically triggers to disconnect power when the current flowing through a circuit reaches a dangerous level. Widely used in residential, commercial and industrial applications. In homes, circuit breakers are often used at the main switchboard to protect the home wiring and appliances. In industrial environments, circuit breakers are often used in conjunction with other protective devices such as fuses and surge arresters to protect complex electrical systems and equipment.
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How to choose a Circuit Breaker?

The following factors need to be considered when selecting the appropriate circuit breaker.

Voltage: Determines the voltage of a circuit.

Current: Determine the amperage or current rating of the circuit to be protected. The rated current of the circuit breaker should be equal to or greater than the rated current of the circuit.

Trip characteristics: The trip characteristics of the circuit breaker should match the load characteristics.

Short-Circuit Current Rating (SCCR): The SCCR of the circuit breaker should be equal to or greater than the fault current available to the circuit.

Environmental Conditions: Consider the environmental conditions in which the circuit breaker will operate, including temperature, humidity, and altitude.

Circuit type: Determine the type of circuit to be protected, whether it is a DC circuit or an AC circuit.

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