SU3D12UC

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Circuit Breakers

Circuit breakers are electrical devices designed to protect high voltage networks from damage caused by overloading, short circuits, and other conditions such as lightning strikes. They are the "last line of defense" to prevent a circuit\'s delicate components from being damaged. Circuit breakers are usually a box containing two or more switches mounted on a wall, which detects when an electrical current is flowing above the maximum current set for that circuit. When this occurs, the circuit breaker will automatically shut off the current, preventing any further harm from occurring to the circuit.

SU3D12UC Application Field and Working Principle

The SU3D12UC is a 3-phase,12kV circuit breaker for use in medium voltage distribution networks. This type of circuit breaker is mainly used for high-voltage system lines, transformers and capacitors. It is designed to be safe and reliable, and can provide quick protection in a short time. It is suitable for both indoor and outdoor use.

The working principle of a SU3D12UC circuit breaker is simple. It has a spring loaded mechanism that is controlled by a motor. When an excess current is detected, this motor is activated and the spring compressed until the the circuit is broken. When the current returns to normal, the motor releases the spring, and the circuit is re-established. This process is repeated in order to protect the system from further damage.

The main feature of this circuit breaker is its ability to re-establish the circuit after tripping, which allows it to be used for protection against both over-currents and short circuits. This type of protection is essential for protecting the system against surges, lightning strikes, and other high voltage conditions.

The SU3D12UC is a reliable and cost-effective way to protect your high voltage system from damage. It is easy to install and maintain, and comes with a full range of accessories for safe and efficient operation. The circuit breaker can be used in both indoor and outdoor applications, making it an ideal solution for medium voltage distribution networks.

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