QLB-103-11B3N-3BA

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Circuit breakers are essential in electrical engineering and can be found in virtually all power systems. QLB-103-11B3N-3BA circuit breakers are a type of protective device designed to prevent circuits from overloading due to excessive current. This specific type of device is an industrial grade circuit breaker and is suitable for use in hazardous areas and applications which require high temperature protection.

The operating principle of QLB-103-11B3N-3BA circuit breakers is simple. The device is essentially an interrupting device, meaning it will open or close an electrical circuit. There are three basic parts of the device: The main body, the contact blade, and the trip spring or lever. The main body holds the two contact blades and the trip lever. When the current in the circuit rises above a certain level, the trip lever is pushed, which causes the contacts to open, thus interrupting the flow of current to the circuit.

The protection provided by the QLB-103-11B3N-3BA is designed to be used in circuits that experience high temperatures, up to 50⁰C (122⁰F), extensive short-circuit requirements, and the use of high-temperature loads. This type of circuit breaker can also provide protection for circuits such as those found in industrial plants and electrical transformers, where high current is used to push heavy loads of electricity. Additionally, the QLB-103-11B3N-3BA is suitable for hazardous areas where a higher protection rating is needed.

Other features of the QLB-103-11B3N-3BA include a low pick-up current, user-friendly manual reset, and an adjustable trip range of between 2 to 10 A. It also features an automatic reset, so that if the current passes the pre-set threshold, the breaker will reset itself. The breaker is also tested and approved to the highest industry standards, ensuring efficient and reliable protection.

In conclusion, the QLB-103-11B3N-3BA circuit breaker is suitable for applications in hazardous areas and where there is a need for high temperature protection. It is designed to provide reliable short-circuit protection, user-friendly manual reset, adjustable trip range, and automatic reset. This circuit breaker is also approved to the highest industry standards, making it suitable for many industrial and electrical applications.

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