High-Speed Measurements During Fault

(@125% to 2000% of Rated Input, 6.25 A to 100 A)

Parameter Accuracy

±(%reading) MGT Resolution

(%FS) Range

Current (I1, I2 and I3 only) 5% 0.1% 0 to 106
kVA 5% 0.1% 0 to 3.3x107
kW, kVAR @ Unity PF 5% 0.1% 0 to ± 3.3x107
kW, kVAR @ 50 Lag and 50
Lead 5% 0.1% 0 to ± 3.3x107
Power Factor @ Unity PF 10% 0.01% -0.01 to -100.00, 100.00 to 0.01
Power Factor @ 0.5 Lag
and 0.5 Lead 10% 0.01% -0.01 to -100.00, 100.00 to 0. 01
Input Ratings
Input Options Specifications
-120 option: 120 VAC nominal F.S. input, 25% overrange. Barrier strip connector rated to 600 Volts line-to-line.
-277 option: 277 VAC nominal F.S. input, 25% overrange. Barrier strip connector rated to 600 Volts line-to-line.
-347 option: 347 VAC nominal F.S. input, 25% overrange. Barrier strip connector rated to 600 Volts line-to-line.
Overload withstand for all options: 1500 VAC continuous, 2500 VAC for 1 s ec ond, non-recurring
Voltage
Inputs
Input impedance for all options: 2 MΩ
5 Amp nominal F.S. input, 25% overrange
20x fault capture capability
Worst Case Burden (@ 6.25 Amps): 0.0625 VA
Overload withstand for all options: 15 Amps continuous, 300 Amps for 1 s ec o nd non-recurring
Standard
Input Impedance: 2 mΩ
Current
Inputs
1 Amp Option 1 Amp AC Nominal F.S. input, 25% overrange
Standard self-excited, dry contact sensing, no ext ernal voltage source required.
+30 VDC differential SCOM output to S1 through S8 inputs.
Onboard Digital Inputs
Minimum Pulse Width: 1 msec, Maximum Pulse Rate: 20 pulses / sec.
1 mA AC/DC nominal full scale input (1.25 mA AC/DC max.)
Overload withstand: 50mA continuous, 100mA for 1 second non-recurring
Input Impedance 49.9kΩ
Accuracy: AC: ±0.25% F.S.; DC: ±(0.25% F.S. + 0.1% per Vcm*) total erro r
Optional
Onboard
Analog
Inputs
0-1mA Option
Maximum Common Mode: 8 V
* Vcm = Common mode voltage