Home / Relay / toshiba relay / Toshiba protection Relays GR-100 Series Transformer Protection GRT100
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GRT100 is a numerical transformer protection relay, which can be applied for two-winding or three-winding power transformers, auto-transformers and generator- transformer units. The main transformer differential protection is supported by restricted earth fault, back-up overcurrent, thermal overload, over-excitation and frequency protections. In addition there are standard GR-series features such as metering, data recording and communications.