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Circuit Breakers: IEGSBX661-34460-2-V Application Field and Working Principle

A circuit breaker is an essential component in an electrical circuit, responsible for controlling and protecting the electrical system in case of overload or a short circuit. It is a safety device that prevents damage to any equipment or parts connected to the circuit. The IEGSBX661-34460-2-V, also known as an Interrupting Capacity Circuit Breaker, is one type of circuit breaker that is designed specifically for certain applications in order to ensure maximum protection.

The IEGSBX661-34460-2-V is designed for applications in medium voltage vacuum interrupters with interrupting capacity up to 20kA. The device is capable of providing a continuous-rated current up to 6.6 kA and an instantaneous-rated current up to 20 kA. This allows it to carry very large amounts of current, making it ideal for applications that require a high current-carrying capacity. Additionally, the device is equipped with a number of safety features such as trip free capability, overload protection, and short-circuit protection.

Working Principle

The IEGSBX661-34460-2-V works on a principle of using a vacuum to interrupt a circuit under voltage. When an overload or short circuit occurs, the voltage in the circuit increases. This increase in voltage is detected by a sensor and causes the vacuum to be released, which interrupts the flow of electricity. The interruption of the current prevents any further damage to the circuit.

The circuit breaker also includes a thermal element that senses changes in temperature. If the current increases beyond the breaker’s rating, the thermal element will cause the breaker to trip, further preventing any additional damage to the circuit. The device also contains a mechanism known as an arc stopper that is responsible for preventing an arc fault, which can be very dangerous. This arc fault is prevented by the non-creation of an arc when the current is interrupted.

Once the fault has been cleared, the circuit breaker will reset itself, allowing the device to be used again. The device’s resetting mechanism is designed to make sure that it will not trip in the event of a minor issue. The device can also be manually reset, if needed.

Conclusion

The IEGSBX661-34460-2-V is a high-performance circuit breaker designed for applications in medium voltage vacuum interrupters. The device is capable of handling large amounts of current and is equipped with safety features that ensure maximum protection. Furthermore, its working principle is based on the use of a vacuum in combination with a thermal element to ensure an interruption of the current in the event of a fault. This ensures that the device can be used safely and reliably in order to protect the connected equipment.

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