UPG6-21616-20 Circuit Protection

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Circuit Breakers are essential components in any electrical system. They are a kind of switch that are designed to protect an electrical circuit from damage caused by overcurrent. Overcurrent is when the electrical current exceeds the safe limit for the circuit. A circuit breaker is designed to automatically interrupt the flow of current in the event of an overcurrent situation. In this article we will be discussing the UPG6-21616-20 circuit breaker and its application field and working principle.

The UPG6-21616-20 circuit breaker is a three-pole molded case circuit breaker with a current rating of up to 16A. It has an interrupting rating of up to 6kA at 400V AC for UL489 applications. It is suitable for use in circuits up to 690V AC and includes an intelligent remote-control fault tripping capability. This breaker can be used in a variety of applications, including residential distribution, electromechanical control, lighting and small appliance control. It is designed for indoor use only.

The UPG6-21616-20 circuit breaker is a thermal-magnetic type device. This means that it has two modes of operation – one is a thermal mode and the other is a magnetic mode. The breaker works by first detecting an overcurrent situation. When an overcurrent is detected, the thermal mode is activated and the breaker trips. The thermal mode of operation is triggered by a bimetallic strip that is heated by the overcurrent. This causes the strip to bend and the contact points of the breaker to be separated, thus breaking the circuit. In the event of a short-circuit fault, the magnetic mode operates. The breaker immediately trips when it detects a high-amperage fault current. This is done by a solenoid coil and armature assembly. The solenoid is energized when a fault occurs, and it causes the armature to separate the contact points, thus interrupting the circuit.

In addition to the thermal-magnetic operation, the UPG6-21616-20 breaker also features an intelligent remote-control fault tripping capability. This feature allows the user to remotely trip the breaker in the event of an overcurrent situation. This means that the user can trip the breaker without having to manually switch it off. The intelligent fault tripping feature also allows the breaker to detect very small changes in current, allowing it to act as a protection device even when the current is within the normal range.

The UPG6-21616-20 circuit breaker is a reliable and efficient component for a variety of electrical applications. Its thermal-magnetic operation ensures that the flow of current is safely interrupted in the event of an overcurrent situation. The intelligent remote-control fault tripping capability improves the device’s ability to protect circuits from damage caused by both undercurrent and overcurrent conditions. This reliable and efficient device is the perfect addition to any electrical system.

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