Novatech Bitronics M87X Series, Manual

Page: 21 / 184

ML0021 August 15, 2018
5
Copyright 2018 Bitronics, LLC
Input Signals (S13, S14, S15, S16, S17, S2C)
Burden 0.0016VA @ 1Arms, 60Hz (0.0016ohms @ 60Hz).
Configuration 6 Inputs. 3 Phase Currents from 2 Lines with different peak current ranges.
CT Current
Inputs (S2C);
External, Split
Core Configuration 6 Inputs. 2 sets of 3 Phase Currents
Nominal 5Aac
Peak Current
Linear to 100A symmetrical (141A peak) at all rated temperatures.
Overload 30Aac continuous. Withstands 400Aac for 2 seconds.
Isolation 2500Vac, minimum.
Burden Not applicable
Frequency 15-70Hz
VT (PT) AC
Voltage Inputs
(S13, S14,
S15, S16, S17)
Terminals 9 to
16
Configuration 8 Inputs, Measures 2 Buses, 3 or 4 Wire.
Nominal 120Vac
System Voltage Intended for use on nominal system voltages up to 480V rms phase-to-phase (277V rms
phase-to-neutral).
Peak Voltage Reads to 600V peak (425V rms), input-to-case (ground)
Impedance >7.5M Ω , input-to-case (ground)
Voltage
Withstand 2.5kV rms 1min, input-to-case (ground)
2kV rms 1min, input-to-input
Frequency 15-70Hz
Sampling System
Sample Rate 128 samples per cycle
Data Update Rate Amps, Volts Available every ¼ cycle
Watts, VAs, VARs,
PF Available every cycle
Number of Bits 16
Accuracy
Accuracies are specified at nominal Frequency and 25C, unless otherwise specified. Temperature Coefficient <25ppm. All
values are true RMS and include Harmonics to the 63rd (minimum)