IULHK111-37237-90

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Circuit Breakers are devices used in electrical enclosures to protect the circuit from excessive electrical current or temperature. The IULHK111-37237-90 is perhaps one the most ubiquitous circuit breaker used in industrial applications. This article explores the application field and working principle of the IULHK111-37237-90.

Applied to circuit boards, the IULHK111-37237-90 provides short-circuit protection. It can also be used to protect power supplies, automatic control systems, and other electrical equipment in hazardous environments. In addition, it is designed to protect against overcurrent and overvoltage. It is suitable for power circuits with 1 to 400A AC and 380 to 440V AC power. Furthermore, it has two separate sets of contacts, one for each current and one for each voltage.

The IULHK111-37237-90 is designed with safety and performance in mind. Its constructed with trip-free releasing mechanisms which prevent its contacts from being held in the closed position when a failure occurs. It also has a low-voltage threshold to ensure that the contacts are function correctly. Additionally, it has a linear operating characteristic and high mechanical life.

The working principle of the IULHK111-37237-90 invovles two main parts: the breaker and the trip contact. The breaker consists of a metal plate with contact points located in the center of the unit. When an electrical current passes through the contact points, it generates a magnetic field which causes the trip contact to arc. These arcs then cause the breaker to open and the electrical current is diverted away, preventing any further damage to the circuit.

In conclusion, the IULHK111-37237-90 is a versatile circuit breaker that can be used in a variety of applications. Its design ensures that it can provide short-circuit protection and overcurrent and overvoltage protection. It also features a trip-free releasing mechanism and low-voltage threshold for added safety. Finally, its working principle involves a magnetic field that arc when an electrical current passes, causing the breaker to open and preventing further damage to the circuit.

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