Listing ID #4662953
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Contact Supplierthe 7pg23 electro-mechanical single phase circulating current protection is used to detect earth faults in high impedance protection schemes. The relay is typically applied used in transformer protection schemes.one relay per phase can be applied to detect both phase and earth faults e.g. On reactors and stator windings of large machines.the relay is a voltage operating device and has a user selectable operate voltage setting. The relay can be used in conjunction with an external shunt setting resistor where a higher operate current is required. An integral non-linear resistor limits over-voltages occurring during system faults. Operation flag indicator. Relays are housed in size e3 cases.
protection functions
high impedance restricted earth fault
features