IEL1-1REC4-32438-20-V

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Circuit breakers are essential protection devices used in many electrical power systems, from small transformers and consumer outlets to large turbines used in power plants. Among them is the IEL1-1REC4-32438-20-V, which is a circuit breaker used for medium- and high-voltage applications. In this article, we will discuss the application fields and working principles of this type of circuit breaker.

Applications

The IEL1-1REC4-32438-20-V is a thermal-magnetic type of circuit breaker that is designed for the protection of medium- and high-voltage electrical systems. It is ideal for use in applications such as:

• Industrial and commercial power distribution.
• Telecommunication systems.
• Solar photovoltaic systems.
• Hospital electrical systems.

It is also suitable for installation in high-voltage substations, power transmission lines, and other parts of the electrical grid.

Working Principle

The IEL1-1REC4-32438-20-V circuit breaker is a combination of thermal and magnetic protection devices. It has two main components: a bimetallic strip that senses temperature and a solenoid-operated magnetic trip. The two components work in tandem to protect against overloads and short circuits.

The bimetallic strip acts as the thermal component of the circuit breaker, and it senses the temperature of the system. When the temperature of the system exceeds a certain threshold, the strip expands and trips the breaker. The magnetic component of the circuit is composed of a solenoid that is activated when an overload is detected. As soon as the solenoid reaches a certain level of current, the magnetic force trips the breaker.

The circuit breaker also has an instantaneous trip setting, which allows for a faster response to an overload. The instantaneous trip setting can be adjusted to provide an even faster response time or a more conservative setting as needed. This allows for greater flexibility in selecting the type of circuit protection needed.

Conclusion

The IEL1-1REC4-32438-20-V is a medium- and high-voltage circuit breaker that combines thermal and magnetic protection. It is suitable for industrial and commercial power distribution, telecommunication systems, solar photovoltaic systems, and hospital electrical systems. Its working principle involves a bimetallic strip that senses temperature and a solenoid-operated magnetic trip that reacts to overloads. Additional flexibility is provided by the adjustable instantaneous trip setting.

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