ML0038 September 27, 2017 - 12 - Copyright 2017 Bitronics, LLC
Input Signals – Measurement Inputs
CT Current
Inputs (A3)
Configuration All Input Options 3 Inputs. 3 Phase Currents (IA, IB, IC).
Nominal Input Option 1 1A ac
Input Option 5 5A ac
Range Input Option 1 0 to 2A rms continuous at all rated temperatures
Input Option 5 0 to 10A rms continuous at all rated temperatures
Overload Input Option 1 Withstands 30A ac continuous, 400Aac for 2 seconds
Input Option 5 Withstands 30A ac continuous, 400Aac for 2 seconds
Isolation Input Option 1 2500V ac, minimum.
Input Option 5 2500V ac, minimum.
Burden Input Option 1 0.016VA @ 1A rms, 60Hz (0.0016ohms @ 60Hz)
Input Option 5 0.04VA @ 5A rms, 60Hz (0.0016ohms @ 60Hz)
Frequency All Input Options 45-65 Hz
VT (PT)
Voltage Inputs
(V3)
Configuration 4 Inputs, Measures 1 Bus, 3 or 4 Wire. 3 Phase Voltages (VA,
VB, VC, VN
. See Appendix A1 Connection Dia
rams.
Nominal 120V ac
Range 0 to 150V rms
System Voltage Intended for use on nominal system voltages up to 208 V rms,
phase-to-phase
120V rms, phase-to-neutral
.
Common Mode
Input Volta
e
Reads to 400V peak, any input-to-case (ground)
Impedance >12M ohms, input-to-case (ground)
Voltage
Withstand
2.5kV rms 1min, input-to-case (ground)
2kV rms 1min, input-to-input
Frequency 45-65 Hz
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