CELHPK111-1REC4-40549-250-V

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Circuit Breakers

A circuit breaker is an important device in any electrical system, as it protects the components, people and devices connected to it from dangerous current overloads. The CELHPK111-1REC4-40549-250-V is one model of circuit breaker offering high reliability and efficiency.

Application Field and Working Principle

The CELHPK111-1REC4-40549-250-V circuit breaker is designed for use in commercial, industrial, and residential applications. It is commonly used in motor control applications, including those found in air conditioners, pumps, fans, and certain machine tools. It is also suitable for protecting electric drive and mains cables.

This circuit breaker operates on the principle of overcurrent and overload trip protection. It uses an electromagnet to sense current overloads in the circuit, and when the current exceeds the preset overload limit, the connected contacts will automatically open to interrupt the circuit and prevent further damage. The breaker then has to be manually reset to enable the circuit again.

In addition to providing overload protection, the circuit breaker is also designed to provide short circuit protection. This protection is achieved by the use of a thermal bimetal strip which is located within the breaker body. When a short circuit occurs, current flows through this strip, and as it heats up, it causes the breaker contacts to open, halting the flow of current and protecting the circuit from damage.

To ensure safe and reliable operation, the CELHPK111-1REC4-40549-250-V circuit breaker is designed to meet all relevant safety standards. It has been tested and certified by the relevant authorities to meet these standards.

In conclusion, the CELHPK111-1REC4-40549-250-V circuit breaker is an effective and reliable circuit protection device for both motor control applications and general circuits. Its use helps to ensure safe operation of the circuit and prevents costly damages due to overcurrents and short circuits.

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