Technical Specifications Multi-channel current and voltage measurement, digital logic circuit, auxiliary power supply, relay output contacts.
Functional Features Overcurrent protection, overload protection, fault trip and alarm function, fault status indication.
Application Scenarios Low voltage power distribution cabinet, motor control center, industrial power supply system.
Performance Parameters Fast trip response, reliable fault detection, long-term stable operation.
Structural Characteristics Panel mount relay unit, metal and plastic composite housing, wiring terminals for CT, PT and trip circuit.
Working Principle Collect current and voltage signals, judge whether electrical fault occurs according to protection setting value, output trip signal to cut off power circuit.
Installation Requirements Install on power cabinet front panel, connect current transformer and voltage signal correctly.
Usage Notes High voltage danger during operation. Do not modify protection setting without professional calculation.
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