219-2-3191-12 Circuit Protection

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Circuit Breakers

Circuit Breakers are an important part of any electrical system, providing a way to protect circuits against over-currents and voltage surges. They work by interrupting the electrical flow within a circuit, either manually or automatically, when the current or voltage reaches a predetermined level. This prevents damage to sensitive parts of the system, or from an overload, by allowing a circuit to be isolated or opened quickly. The most commonly found type of circuit breaker is the 219-2-3191-12, which is used for industrial, commercial, and residential applications.

Application Field

The 219-2-3191-12 circuit breaker is designed for use in industrial, commercial, and residential applications, and is used for applications ranging from power distribution to fault location. It is typically found in power distribution systems, switchboards, motor control centers, and substations, as well as in residential applications. It can also be used for protection against overloads, surges, and short circuit currents. It is designed with a UL 489 listing, which means it can be used for applications up to 277V AC, both two and three-pole.

Working Principle

The 219-2-3191-12 circuit breaker works through an operating mechanism. This operating mechanism controls the opening and closing of the circuit, and activates the breaker when the current and voltage reach the specified levels. In order to open and close, the circuit breaker needs to be actuated manually or automatically. An example of manual actuation is a manual reset switch, which will trip the breaker when the reset button is pressed. On the other hand, an example of an automated actuation is an overload or short circuit device, which will activate the breaker when either of these two conditions occur.

The 219-2-3191-12 operating mechanism contains a number of components. These components work together to open and close the circuit breaker as needed, while also allowing it to be reset after each trip. The components contained within the operating mechanism are the spring, roller, and latch. The spring is used to move the roller, which in turn moves the latch, which opens and closes the circuit breaker. The roller and latch are also used to reset the circuit breaker when it’s been tripped.

The 219-2-3191-12 circuit breaker can be used for a variety of applications, including power distribution, switchboards, motor control centers, and residential protection. It has a UL 489 listing, which means it can be used for applications up to 277V AC, both two and three-pole. It also has an operating mechanism that controls the opening and closing of the breaker, as well as the ability to be reset. These features make the 219-2-3191-12 circuit breaker a popular choice for a variety of applications.

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