UPG6-21616-40 Circuit Protection

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Circuit breakers are essential components of electrical systems which help to protect and ensure reliability of electrical supplies. They are used extensively in residential, commercial, industrial and even medical applications. Circuit breakers provide electrical systems with both overload protection and short circuit protection. In this article, we will discuss the application field and working principle of UPG6-21616-40, a specific circuit breaker.

Application Field

The UPG6-21616-40 is a type of miniature circuit breaker (MCB). It is suitable for installation in electrical cabinets, devices and appliances, such as instrument panels, power distribution boards and uninterruptible power supply UPS systems, for various applications. It is also designed to make electrical wiring easier and faster. It is suitable for both single-phase and three-phase circuits.

The UPG6-21616-40 is designed for low voltage applications, up to a rated operating voltage of 600V AC or 690V DC. It is a two pole breaker, meaning it can provide protection to both line-to-ground and line-to-line. It is rated for a current of 16A, in accordance with IEC/EN 60898 standard, and it has both thermal and magnetic tripping mechanisms. The trip rate on UPG6-21616-40 circuit breakers can be adjusted from 3A to 16A. This makes them suitable for applications with a varying range of current draw. The installation of the circuit breaker does not require any additional fuses or back-up fuses.

Working Principle

Circuit breakers are designed to protect both users and electrical systems from injury and damage that may be caused by an overload or short circuit. When an overload or short circuit occurs, the circuit breaker will trip, meaning it interrupts the electrical circuit and prevents further damage to the wiring or components.

UPG6-21616-40 circuit breakers provide two means of protection. The first is the thermal-magnetic tripping mechanism. This combines the operational principles of both thermal and magnetic tripping technologies. The thermal effects of an overload are detected by the circuit breaker\'s internal thermal element, which can detect if the current flowing through the circuit rises above the safe limit. The magnetic portion of the tripping mechanism is triggered when the current exceeds the rated level.

The second protection feature provided by the UPG6-21616-40 is the adjustable trip rate. With this feature, the trip rate of the breaker can be adjusted according to the application. This helps to protect both the breaker itself and the equipment being powered by it from damage caused by an overcurrent. By making the trip rate adjustable, users can ensure that the breaker trips at an appropriate level for their specific application and reduce the risk of damage due to overcurrent.

In conclusion, the UPG6-21616-40 circuit breaker is an excellent choice for a variety of low voltage applications. It provides both thermal-magnetic and adjustable trip rate protection, making it versatile and reliable. With its adjustable tripping rate and reliable protection features, the UPG6-21616-40 is a great choice for any electrical system.

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