IULNK1-38904-70 Circuit Protection

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Circuit breakers protect electrical systems and components from damage against overload or short circuit currents. IULNK1-38904-70 is a type of circuit breaker with improved characteristics to meet the demand for medium-to-high power applications. This type of circuit breaker has been frequently used in vehicles, photovoltaic systems, and power supplies.

Application Field

IULNK1-38904-70 circuit breakers are mainly used in vehicles, photovoltaic systems, and power supplies. In cars, the circuit breaker provides overload and short circuit protection to protect the electrical system from damage. In photovoltaic systems, the circuit breaker prevents dangerous overcurrents from over-voltage situations, high currents caused by system faults or parasitic effects, and earth faults. In power supplies, the circuit breaker is often used to protect against short-circuit faults.

Working Principle

An IULNK1-38904-70 circuit breaker consists of two parts, the main contact and the command element. The main contact is responsible for breaking or making the electrical circuit and the command element is used to control the main contact. The command element is usually composed of a trip coil, a lever and a plunger. When an overload current passes through the trip coil, the plunger is moved by the magnetic field, which causes the lever to move, thus opening or closing the main contact.

When a short circuit current passes through the trip coil, the plunger is magnetically attracted and the lever is moved which opens or closes the main contact. The signal generated by the trip coil is adjustable and the circuit breaker can be configured with different current levels depending on the application and protection requirements. The circuit breaker also features a visual indicator that provides feedback regarding the status of the breaker.

In addition to providing protection, IULNK1-38904-70 circuit breakers have several other advantages compared to traditional circuit breakers. These include a light weight design, a compact size, a high current rating, and a high breaking capacity. The circuit breaker is also resistant to shock, vibration, and is suitable for both indoor and outdoor applications.

The IULNK1-38904-70 circuit breaker is an ideal choice for a wide variety of applications, such as protecting photovoltaic systems, vehicles, and power supplies. Thanks to its improved characteristics, it is able to meet the demand for medium-to-high power applications while providing reliable and accurate protection. As a result, the IULNK1-38904-70 is an ideal choice for those who require reliable circuit protection for their applications.

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