High impedance protection – Reyrolle 7SR23

The 7SR23 DAD is a numeric high impedance circulating current relay that has four current inputs, it is used as a unit protection to detect phase and earth faults.

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The 7SR23 DAD is a numeric high impedance circulating current relay that has four current inputs, it is used as a unit protection to detect phase and earth faults.

Select and buy