SE-330-02-11

Protection relays and systems are used to protect electrical circuits from damage. The SE-330-02-11 is a type of protection relay designed to rapidly detect the presence of an abnormal electrical condition and to disconnect the circuit from the main power source.

The SE-330-02-11 is used in numerous fields including industrial and commercial power distribution systems, uninterruptible power supplies (UPS), power plants, and electricity network and substations. The relay is built on the principle of differential current detection. This means that any crossed fault currents are immediately registered by an internal differential comparator.

The working principle of the SE-330-02-11 is based on two important concepts. The first is the time-dependent current reset and the second is the current-independent rest. Time-dependent current reset prevents overloading during system start-up or momentary system disturbances. Current-independent reset prevents overloading of both low- and high-current values, even when the current is fluctuating rapidly between these values.

The SE-330-02-11 relay is designed to detect both DC and AC power disturbances. It is configured with adjustable current-reset and time-reset settings, allowing the user to customize the protection level of the system for different applications. This makes the SE-330-02-11 ideal for various power protection applications in industrial, commercial and utility operations.

The SE-330-02-11 relay has a self-diagnostic system that monitors both the electric and mechanical components of the device. It also has a built-in communications port that supports the installation of additional protection systems such as over-voltage and under-voltage relays as well as earth fault relays. This makes the SE-330-02-11 an ideal choice for robust power protection in industrial and large commercial installations.

In summary, the SE-330-02-11 is a reliable and versatile protection relay designed to protect circuits from abnormal electrical conditions. Its adjustable current and time-reset settings allow it to be adapted for various power protection applications. Additionally, its self-diagnostic system and integrated communications port make it a great choice for industrial and utility applications.