IEG6-34239-12-V

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Circuit Breakers

A circuit breaker is a device used in an electrical circuit to control the flow of electricity. It functions as a safety device, automatically opening the circuit and preventing further current flow when an overload or a short circuit is detected.

IEG6-34239-12-V is a type of circuit breaker used in the commercial sector. It is a double-pole, three-phase breaker with a current rating of 12 A. This breaker is suitable for low voltage applications, and is designed to protect against surges and short circuits.

Application Field

The IEG6-34239-12-V is a low voltage circuit breaker, designed for applications with a voltage rating up to three hundred volts. This breaker is commonly used in applications such as residential, commercial, light industry and institutional buildings, as well as motor control and protection devices.

This circuit breaker is capable of interrupting moderate levels of fault currents, typically in environments that do not present the hazards of high levels of fault current. For instance, it can be used in applications up to the National Electrical Code (NEC) defined “Small Power Circuit” level, which is typically limited to 100 A. The IEG6-34239-12-V is also suitable for use in motor controllers and similar devices, such as motor contactors, motor starters and relays.

Working Principle

The IEG6-34239-12-V works on an electromagnetic principle. When an overcurrent passes through the breaker, a mechanical device (known as the moving contact) forces the power contacts open. This opens the circuit and stops the flow of electric current.

The moving contact is connected to a spring mechanism, which is positioned in the centre of the circuit breaker. When the current carried by the wiring exceeds a preset level, the moving contact is forced outward, against the spring mechanism. This allows the moving contact to separate from the stationary contact, thus opening the circuit.

Once the current drops below the preset level, the spring mechanism pulls the moving contact back into position, thus reconnecting the power supply and restoring the current. The IEG6-34239-12-V features an additional safety feature: if the current is repeatedly interrupted and restored, the circuit breaker will eventually trip, thus preventing further damage to the electrical system.

Conclusion

The IEG6-34239-12-V is a low voltage circuit breaker, designed for use in commercial applications such as residential, commercial, and light industry buildings. It functions on an electromagnetic principle, in which a mechanical device (the moving contact) is forced outward against a spring mechanism, allowing it to separate from the power contacts and open the circuit. The breaker also features an additional safety feature: if the current is repeatedly interrupted and restored, the breaker will trip, thus preventing further damage to the electrical system.

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