T21-61-1.00A-01-20

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Circuit breakers are widely used in power systems to protect loads, generators, and equipment from damage due to excessive current. The T21-61-1.00A-01-20 circuit breaker is a type of circuit breaker designed for medium voltage applications. This type of circuit breaker is used in industrial and commercial applications, as well as in power distribution systems. This article will discuss the application field and working principle of the T21-61-1.00A-01-20 circuit breaker.

Application Field of the T21-61-1.00A-01-20 Circuit Breaker

The T21-61-1.00A-01-20 circuit breaker is designed for medium voltage applications. This type of circuit breaker is used for the protection of electric power transformers and other equipment from damage due to currents of short-circuiting and overload. The T21-61-1.00A-01-20 circuit breaker is mainly used in industrial, commercial and power distribution systems. It is suitable for use on three-phase alternating current power systems with a rated voltage of up to 3000V. The device is suitable for use with standard and miniature circuit breakers, as well as for protection against overvoltage and lightning induced over-currents.

Working Principle of the T21-61-1.00A-01-20 Circuit Breaker

The T21-61-1.00A-01-20 circuit breaker operates on the principle of magnetic and thermal energy. The device consists of a magnetic coil with a movable switching member and a thermal element, which is used to detect an overcurrent and disconnect the current flow. When an excessive current flows in the circuit, the magnetic field produced by the coil attracts the movable member and pulls it over. This mechanical movement causes the contacts of the breaker to open and thus disconnects the circuit. The device is designed to trip within 20 milliseconds. In addition to the over-current protection, the device also provides protection against overvoltage and lightning induced over-currents.

The T21-61-1.00A-01-20 circuit breaker is designed with a manual reset feature. In the event of an over-current trip, the device must be reset manually to restore power to the circuit. The manual reset feature ensures that the device cannot be reset accidentally and thus increases the safety of the system.

The T21-61-1.00A-01-20 circuit breaker is a reliable and cost-effective solution for medium voltage applications. It provides reliable protection against over-current, over-voltage and lightning induced over-currents. The device is easy to install and does not require any special maintenance.

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