UPG4-3955-1 Circuit Protection

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Circuit breakers are devices used to protect electrical systems, equipment, appliances, and buildings from power surges that can occur when too much electricity is provided to a circuit. The UPG4-3955-1 is a circuit breaker designed for larger commercial and industrial applications, where higher power demands require more robust protection.

Circuit breakers are designed to break a circuit when the current exceeds the pre-determined level. This is done by interrupting the path of the current, preventing it from further flowing until the excess current has been dissipated. The UPG4-3955-1 is designed to meet higher current and fault current requirements, and can be used for applications up to 100kA interrupting capacity.

The UPG4-3955-1 is a thermal-magnetic circuit breaker, which means it utilizes both thermal and magnetic elements to detect excess current. The thermal element is designed to detect any sudden increases in current, and will open the breaker if the current remains above a certain level for a given amount of time. The magnetic element works in conjunction with the thermal element to provide a trip curve that is adjustable, allowing the user to set the desired trip settings for the breaker.

The UPG4-3955-1 is designed for applications that require a higher short-circuit current rating. This could include installations such as commercial buildings, power plants, and industrial facilities. It’s also capable of handling a wide variety of branch circuit and low-voltage rated devices including ground fault circuit interrupters (GFCIs), motors, and other high-demand electrical equipment. The breaker is also UL1077 Rated, which means it is tested to be compliant with UL standards for safety and performance.

The UPG4-3955-1 has several features that make it suitable for larger commercial and industrial applications. It has adjustable trip settings, which allow it to be adjusted to match the specific needs of the application. It is also equipped with a dual-sealing shunt trip, which helps to ensure the breaker trip settings don\'t change, even if the breaker is accidentally closed in a circuit with active loads. Additionally, the breaker is equipped with arc fault protection, which helps to protect the breaker and downstream equipment from damage due to arcs and other fault conditions.

The UPG4-3955-1 is an ideal choice for larger commercial and industrial applications that require robust protection from power surges. It is UL1077 Rated, making it a safe and reliable choice for such situations. It’s adjustable trip settings make it customizable to fit the needs of the application, and it’s equipped with dual-sealing shunt trip, arc fault protection, and other features that make it an ideal choice for high-demand applications.

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