ABB RMU811 Module Termination Unit

Rated Voltage: 12/24 kV.

Rated Current: 630 A.

Short-Circuit Withstand: 20 kA (1s or 3s).

Breaking Capacity:

Fault Making: 50 kA (peak).

Short-Circuit Breaking: 20 kA.

Features:

3-position isolator (ON/OFF/EARTH).

Cable test interface.

Mechanical interlocks for safety.

Optional remote monitoring (SCADA/DLMS).

As a base to provide stable support: ABB RMU811 is the mounting base for the redundant pair of RFO810 modules. This redundant design improves the reliability of the system and ensures that when one module fails, the other module can continue to work and maintain the stable operation of the system. At the same time, the base is equipped with a power supply and HN800 connector to provide a stable power supply and reliable connection for the RFO810 module, ensuring the stability and accuracy of data transmission between modules.

With data processing and recording functions: It has the function of updating the on-chip P series PLC, which can improve the performance and function of the PLC. It also adds J1939/NMEA2000 connection function to facilitate communication and data interaction with other devices with corresponding interfaces. In addition, ABB RMU811 has an SD card data recording function. Users can use the built-in database to define J1939 and NMEA2000 messages and record the data in binary or ASCII format to the SD card, which is convenient for storing and analyzing key data in industrial processes, and provides a basis for system fault diagnosis and performance optimization.

General industrial automation scenarios: ABB RMU811 is suitable for small application scenarios that require a few to about 300 I/O signals, such as small production lines, automated workshops, etc.

Distributed power generation scenarios: In distributed power generation projects such as data centers, hospitals, commercial and industrial facilities, RMU811 can be used to monitor and control the operating status of power generation equipment, collect various operating parameters such as voltage, current, power, etc., and transmit data to the central control system through the communication network to achieve centralized management and optimized scheduling of distributed power generation systems, ensuring stable operation and efficient power generation of power generation equipment.

Main power supply scenarios: In main power supply application scenarios such as oil and gas exploration, oceans, and remote villages, ABB RMU811 can be used as a core control module to accurately control and monitor power generation equipment and power distribution systems. For example, on oil and gas exploration platforms, it can collect operating data of generators, drilling equipment, etc., realize automated control and management of the entire platform power system, and ensure stable power supply to the platform in harsh marine environments.