QLB-053-00DNN-3BA

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Circuit breakers are an essential part of a modern electrical system. They provide safety and prevent electrical fires by interrupting the flow of electricity if a circuit or device failure occurs. The QLB-053-00DNN-3BA is a three-phase, 50 amp, 480 volt circuit breaker manufactured by Siemens. It is a type of circuit breaker commonly used in industrial and commercial applications where large amounts of power are required. The QLB-053-00DNN-3BA provides overload and short circuit protection for heavy duty, power applications across three phase lines.

The QLB-053-00DNN-3BA utilizes a thermal-magnetic operating principle. This type of operating principle is based on two functions: heat and electricity. The thermal part of the circuit breaker works by sensing heat and automatically disconnecting power whenever the temperature rises above a certain point. The magnetic portion works by using an electromagnet to disconnect power when a short circuit or overload is detected.

The QLB-053-00DNN-3BA is suitable for a wide range of applications, including heavy industrial and commercial power distribution, heating and ventilation systems, manufacturing plants, and other general use. It can be used in conjunction with motor-driven equipment, switching power supplies, robotic machinery, and any other item requiring heavy-duty, three-phase electrical power. The QLB-053-00DNN-3BA offers a wide range of thermal-magnetic protection settings, allowing the breaker to be tailored to a specific application.

The QLB-053-00DNN-3BA is designed with a number of features that make it an attractive choice for a wide variety of applications. First and foremost, it offers high-end protection features such as short-circuit and overload protection. This protection can help protect costly components from a sudden power outage. Additionally, the QLB-053-00DNN-3BA has a trip-free design, meaning that it cannot be turned off once it has tripped due to a fault or overload. This feature can help protect personnel from the dangers of an arc flash or other hazardous events.

The QLB-053-00DNN-3BA is also constructed from durable and reliable materials, such as beryllium copper and high temperature polymers. This construction ensures that the circuit breaker is capable of withstanding extreme temperatures and pressures associated with modern electrical wiring. Additionally, the QLB-053-00DNN-3BA contains a number of safety features, such as an adjustable trip setting, reset lock-out, and power-on LED indicator.

In conclusion, the QLB-053-00DNN-3BA is an excellent choice for a variety of commercial and industrial applications due to its reliable thermal-magnetic operating principle, robust construction, and superior safety features. It is capable of providing a wide range of protections and is designed to be highly reliable in harsh environments. It also has a number of adjustable protection settings, allowing it to be tailored to a specific application. The QLB-053-00DNN-3BA is a durable, dependable, and cost-effective circuit breaker.

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