219-2-1-52-2-8-5-A

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Circuit Breakers

Circuit breakers are electrical protection devices designed to protect electrical circuits from short-circuits and overloads by opening the circuit when excessive current flows through the circuit. They are used in a variety of applications ranging from residential to industrial, small appliances to large machinery, and service switches to motor controllers. The occupation of circuit breakers is to react to abnormal conditions, such as too much current in the circuit, so that damage can be prevented.

219-2-1-52-2-8-5-A Application Field and Working Principle

The 219-2-1-52-2-8-5-A is a double-pole, triple-throw, mechanically operable type circuit breaker. It is used for control of medium voltage, three-phase motors and lighting circuits. It has a voltage rating of 300 volts AC, and a maximum current of 85 amps.

The circuit breaker is designed to interrupt current flow in the event of an overload, short-circuit, or other fault in the protected circuit. When an over current condition is detected, a set of bimetallic strips, or thermal trip units, heat up and expand. When the expansion of the bimetallic strips reaches a predetermined point, the circuit breaker trips and interrupts current flow. If the fault is removed, the circuit breaker can be reset and current flow will resume.

In addition to providing overcurrent and short circuit protection, the 219-2-1-52-2-8-5-A circuit breaker also provides protection against electrical noise and interference, as well as surge and lightning. It is designed to open and interrupt the circuit when the current increase exceeds its rating, while maintaining its own integrity without damage.

The 219-2-1-52-2-8-5-A circuit breaker is ideal for applications where space is limited and a high degree of protection is needed. Its small size and lightweight make it easy to install and ideal for control of motor circuits and other operations. The breaker can be manually reset once the fault is corrected, ensuring that the protected circuit resumes operation as soon as possible.

The 219-2-1-52-2-8-5-A circuit breaker offers a reliable and cost-effective solution for controlling medium voltage circuits. With its ability to provide protection from overcurrent, short circuit, noise and surge-based faults, it is a great choice for a wide range of applications.

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