9424200994 Rev N 569Specifications - 25 Hz OperationBE1-11g protection systems used in 25 Hz systems have the following features and capabilities. For50/60 Hz operational specifications, refer to the Specifications chapter.Operational SpecificationsMetered Current Values and Accuracy5 Aac Nominal Range .............................................. 0.5 to 15 Aac1 Aac Nominal Range ............................................... 0.1 to 3.0 AacSEF Range ................................................................ 0.01 to 3.0 AacPhase Current Accuracy ........................................... ±1.5% of reading at nominal current±2.5% of reading or ±0.15% of full range,whichever is greater at 25°CI1, I2, I0* Accuracy .................................................... ±2% of reading at nominal current±3% of reading or ±0.5% of full range,whichever is greater at 25°CTemperature Dependence ........................................ ≤ ±0.02% per °C* 3I0 displayedMetered Voltage Values and Accuracy3-wire Range ............................................................. 50 to 250 Vac4-wire Range ............................................................. 50 to 250 VacAuxiliary Range ......................................................... 25 to 125 VacPhase/Auxiliary Accuracy.......................................... ±1% of reading or ±0.2% of full rangewhichever is greater at 25°CV1, V2, V0* Accuracy ............................................... ±1.5% of reading or ±0.3% of full rangewhichever is greater at 25°CTemperature Dependence ........................................ ≤ ±0.02% per °C* 3V0 displayedMetered Frequency Values and AccuracyRange ........................................................................ 10 to 125 HzAccuracy.................................................................... ±0.01 Hz, ±1 least significant digit at 25°C nominal3-wire Sensing Input ................................................. Phase A – B4-wire Sensing Input ................................................. Phase A – NeutralMinimum Frequency Tracking Voltage ..................... 10 V rmsCalculated Values and AccuracyDemandRange ........................................................................ 0.1 to 1.5 nominalType .......................................................................... ExponentialAccuracy.................................................................... ±2% of reading ±1 digit at 25°CTemperature Dependence ........................................ ≤ ±0.02% per °CInterval....................................................................... 1 to 60 minTrue Power5 Ampere CT Range ................................................. –7,500 W to +7,500 W1 Ampere CT Range ................................................. –1,500 W to +1,500 WAccuracy.................................................................... ±3% at unity power factorBE1-11g Specifications - 25 Hz Operation
