Earth-leakage protection relay AQ-T256over-currentthree-phaseIEC
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Characteristics
- Measured/monitored value
- earth-leakage, over-current
- Network
- three-phase
- Norms
- IEC
- Other characteristics
- differential
Description
AQ-T256 is a transformer protection IED with sophisticated and easy to use differential protection function. The AQ-T256 transformer protection IED provides for both low and high side overcurrent, earth-fault, negative sequence and two independent restricted earth-fault instances. Up to 10 optional I/O or communication cards are available for extensive monitoring and control applications. The AQ-T256 communicates using various protocols including IEC 61850 substation communication standard.
Highlights
Large I/O capability
Predefined or custom connection group selection 2nd and 5th harmonic blocking
Automatic verification of connection group and nominal value settings
Through fault and overloading statistics for preventive maintenance
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