SE-325E

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Protection Relays & Systems have become increasingly important as networks and power systems become increasingly complex and encompass large areas, often on several continents. The SE-325E protection relay is a state-of-the-art solid-state relay which offers efficient and reliable protection for hoisting systems and other high-risks applications. Its wide range of functions make it particularly suitable for use in complex system configurations.

The SE-325E has the unique combination of flexibility and robustness, providing reliable protection in various applications to counter the most severe environmental conditions. Available in three models, it is suitable for motor protection, generator protection and transformer protection in both pole-mount and pad-mount installations. Its built-in interface connections and communications features enable easy integration into the system through a web-enabled Human-Machine Interface (HMI) controller.

The SE-325E features a wide variety of versatile functions designed to provide superior protection and reliable performance in applications such as electric arc furnace tappings, isolation switch operations, and motor and generator protection. Its robust design and flexibility make it ideal for use in hazardous areas, due to its high overload capacity and its ability to withstand high-temperature environments. Its user-friendly HMI ensures maximum system stability, flexibility, and safety.

The SE-325E utilizes a number of different protective functions to ensure superior operation. Its motor protection function utilizes overcurrent and thermistor protection, while its generator protection includes overcurrent protection, differential protection, and undercurrent protection. The transformer protection function uses overvoltage protection, undervoltage protection, and differential protection. The relay also offers complete remote monitoring capabilities, allowing operators to access the system from anywhere.

The SE-325E also offers various operating modes. In the motor protection mode, the relay monitors for overcurrent, thermal overload, and motor stall. In the generator protection mode, it monitors for overcurrent, undercurrent, and overvoltage conditions. The transformer protection mode allows for overvoltage, undervoltage, and differential protection. The relay also offers a range of alarm and control functions, such as alarm resetting, pre-alarm, dead-band control, as well as voltage and frequency comparisons.

The SE-325E utilizes advanced linear analog circuits and digital control throughout its system. Its high-performance signal conditioning algorithms ensure maximum system reliability and accuracy even under extreme conditions. The relay also features overload protection, as well as built-in communication options such as Ethernet and serial ports, allowing for easy connection to a variety of different systems.

The SE-325E can be easily integrated into existing systems with its wide range of interfacing options. Its front panel comes with both analog and digital displays, providing operators with easy access to system information, while its optional remote monitoring capability enables system operations to be managed remotely. The relay’s software is designed to be easy to install and use, allowing it to be used in a wide variety of applications in hazardous areas.

The SE-325E’s advanced design and features make it a versatile and reliable choice for protection in various applications, from arc furnace tappings to motor and generator protection. Its robust design and user-friendly controls make it an ideal choice for industrial applications in hazardous environments, providing reliable operation and superior protection in any application.

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