ALP Series Over Current & Earth Fault Relay company

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■ Wide auxiliary power input voltage, supporting AC85-265V/DC100-300V power supply. ■ Supports full electrical parameter measurement (U, I, P, Q, S, PF, F, EP, EQ), voltage and current imbalance functions, etc. ■ Protection functions include inverse time overcurrent, three-stage overcurrent, overpower, and zero-sequence overcurrent. ■ Standard configuration includes 4 programmable DI inputs; optional switch module adds an additional 10 programmable DI inputs. ■ 4 programmable DO outputs ■ Standard configuration includes 2 MODBUS_RTU communication channels, plus 1 MODBUS-TCP module. ■ Optional 1-2 DC 4-20mA analog output interfaces. ■ Features multiple event recording functions, including opening/closing records, DI position records, fault records, and fault waveform recording. ■ Equipped with a USB interface for data export via USB flash drive.

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