IULNK111-1-62-40.0

Circuit Breakers

A circuit breaker is an electrical protective device that is designed to automatically interrupt the electric circuit in the event of an overload or short circuit. It is used to protect electrical equipment from damage caused by overvoltage and to prevent the system from overloading. The IULNK111-1-62-40.0 is one such circuit breaker that is used in various applications where a continuous current load needs to be protected.

In order to understand the working principle of IULNK111-1-62-40.0, it is important to first understand the basic design of circuit breakers. Circuit breakers are usually composed of an insulating body, an electric contacts system, a current sensing element, and a trip unit. The insulating body of the circuit breaker is designed to protect the electrical contacts from arcing and damage. The electric contacts system is composed of two contact arms which move to different positions when the electric current exceeds its limit. The trip unit, which is usually in the form of a plunger or toggle, is activated when the current reaches a predetermined level and causes the arms to move, thereby interrupting the circuit.

The IULNK111-1-62-40.0 is a type of circuit breaker that is designed to disconnect a continuous load when the current exceeds a certain limit. It is typically used in applications such as air conditioning and motor starters, where a continuous current needs to be protected against overvoltage or short circuit. The IULNK111-1-62-40.0 consists of two contact arms, two current sensing elements, and a trip unit that is activated when the electric current reaches a predefined level. When this happens, the contact arms move and the circuit is interrupted, thus protecting the electrical equipment from damage due to overvoltage or short circuit.

The IULNK111-1-62-40.0 is also designed to be used with a thermal overload relay for extra protection. The thermal overload relay is wired in series with the circuit breaker and is designed to detect a rise in the motor\'s temperature due to the excessive current. If the temperature exceeds the preset limit, the relay will trip and cause the circuit breaker to disconnect the electrical circuit, thus preventing any damage that could otherwise occur due to the overvoltage or short circuit.

The IULNK111-1-62-40.0 is also certified by several international standard certifications, such as UL, CSA, and CE, for its performance and reliability. It enjoys a long-term commitment from its users due to its high quality and robust design.

In conclusion, the IULNK111-1-62-40.0 is a high-performance circuit breaker that is designed to protect electrical equipment from overvoltage and short circuits. It offers extra protection with the use of a thermal overload relay, and is certified by several international standards. Therefore, it is often used in applications such as air conditioning and motor starters, where a continuous current load needs to be protected.