SU3D8UC

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Circuit breakers are electrical devices used to stop current flow in abnormally high-current situations. These devices are intended to protect loads from damage due to a sudden overload or short circuit. They can be used to control the flow of electricity to prevent any potential harm to people or property. The SU3D8UC is a modern circuit breaker that has been specifically designed to offer maximum protection with its unique features and capabilities. In this article, we will explore the application field and working principle of the SU3D8UC.

The SU3D8UC is a robust circuit breaker that is designed for commercial and industrial use. This product is suitable for high voltage applications up to 6300 VAC and has been designed to meet the most demanding needs of the electrical industry. It is also capable of handling high DC voltages up to 3500 VDC. The SU3D8UC is suitable for use in medium-voltage switchgear, motor control centers, and transfer switchgear. It is also capable of operating in hostile environments, such as offshore platforms and chemical process plants.

The SU3D8UC circuit breaker is equipped with an adjustable thermal overload device, which can be set to the desired trip point. This feature allows the user to customize the circuit breaker to meet the specific requirements of the application. Additionally, the breaker features adjustable trip curves, which are used to select the appropriate trip time to match the particular application. This feature ensures that the circuit breaker will trip quickly and reliably when an overload or short circuit is detected.

The SU3D8UC also features a built-in surge protection circuit. This helps protect against an unexpected power surge, which can cause extensive damage to the electrical system. The breaker also has an undervoltage trip device, which can be set to the desired voltage level. This helps protect the equipment and personnel from potential harm when operating at lower voltages. The breaker also features a timer, which can be used to delay the opening of the contacts in the event of an overcurrent situation.

The working principle of a circuit breaker is simple. It consists of a bimetal strip and a toggle switch. When the current passing through the breaker reaches a certain level, the bimetal strip becomes deformed and releases the toggle switch, thereby interrupting the flow of current. In the case of the SU3D8UC, the action of releasing the toggle switch may also be accelerated by the adjustable trip curves or the built-in surge protection circuit.

The SU3D8UC circuit breaker is an efficient and reliable protection device that is designed to keep people and property safe from the risk of electrical failure. It is suitable for use in a wide range of applications, from small household circuits to large commercial and industrial systems. Due to its adjustable trip curves and surge protection circuit, the SU3D8UC is able to quickly detect and respond to abnormal current flow, preventing serious damage or injury.

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