Details
ABB 133AAAA Integrated protector
Product manual:
The ABB REF545KB133AAAA senses abnormal current and voltage signals in the power system and compares them with pre-set fail-protection conditions. When the feeder is detected to have short circuit, ground fault or other abnormal conditions, it can quickly remove the fault link, prevent the fault from spreading to the power grid, and protect the stable operation of the power system.
The device monitors and measures the running state of the power system in real time through the current and voltage sensors installed on the feeder line. This helps to detect potential problems in a timely manner and take appropriate preventive measures to improve the safety and reliability of the power system.
ABB REF545KB133AAAA uses digital signal processing technology to quickly and accurately detect feeder faults, and to quickly cut off faults when detected to ensure the stable operation of the power system. This kind of fast response ability is of great significance to reduce the influence of faults on power system.
Product details picture:
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