MiCOM P923 Voltage and frequency protection with under/ over voltage, under/over frequency, dF/dt and dV/dt protection. 27, 27D, 27/59R, 47, 59, 59N, 20TE dF/dt, dV/dt, 81U, 81O, 81R
Mã sản phẩm: P923;Hãng: Schneider;Bảo hành: 12 tháng
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