1CU4R

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Electric circuit breakers are a crucial part of almost all electrical systems. They help protect electrical circuits by interrupting the flow of current when a fault occurs. 1CU4R circuit breakers are a special type of electric circuit breaker that is used in applications where the load is highly sensitive to impacts, vibrations, or thermal expansion and contraction. 1CU4R operates in temperature range of –40 С to 80 С.

1CU4R circuit breakers are designed to have a high breaking capacity, meaning they are capable of breaking very high fault currents of up to 100,000 A. This makes them suitable for use in large industrial applications, such as power plants, refineries and steel mills. The 1CU4R also has unique features that make it particularly suitable for applications in hazardous locations, such as those where hazardous chemicals and explosive gases and vapors are present.

The working principle of the 1CU4R circuit breaker is based on the concept of thermal protection. When the current is flowing through the breaker, it begins to generate heat due to increased resistive losses. The heat generated is then dissipated by an internal fan blower and the temperature is monitored by an internal temperature sensor. When the temperature exceeds a predetermined level, the breaker trips, interrupting the current.

The 1CU4R circuit breaker also has an adjustable trip setting, which allows the user to adjust the trip time and current level of the breaker to suit their application. This makes it suitable for applications where the load can vary over time, such as with fluctuating loads or during motor start-ups.

The 1CU4R circuit breaker also has remote sensing capability, allowing the breaker to be monitored remotely by an external device such as a PC or PLC. This makes it ideal for applications where it is not possible to directly access the breaker.

Overall, the 1CU4R circuit breaker is a highly reliable and efficient device, making it an ideal choice for applications where thermal protection is necessary. Its high breaking capacity, temperature range, adjustable trip settings, and remote sensing capability mean it is well-suited for use in a wide range of industrial applications.

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