Bitronics M651, User Manual

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ML0039 November 14, 2013 Copyright 2013 Bitronics, LLC
Input Signals – Measurement Inputs
CT
Current
Inputs Configuration All Input Options 3 Inputs. 3 Phase Currents (IA, IB, IC).
Nominal Input Option 1 1A ac
Input Option 5 5A ac
Input Option C 5A ac with split-core CTs
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
Input Option C 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
Input Option C Not applicable
Isolation Input Option 1 2500V ac, minimum.
Input Option 5 2500V ac, minimum.
Input Option C 2500V ac, minimum with external split-core current transformers.
Burden Input Option 1 0.016VA @ 1A rms, 60Hz (0.0016ohms @ 60Hz)
Input Option 5 0.04VA @ 5A rms, 60Hz (0.0016ohms @ 60Hz)
Input Option C Not applicable
Frequency All Input Options 45-65 Hz
VT (PT)
Voltage
Inputs
Configuration 4 Inputs, Measures 1 Bus, 3 or 4 Wire. 3 Phase Voltages (VA, VB,
VC, VN). See Appendix A1 Connection Diagrams.
Nominal 120Vac
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 Voltage Reads to 400V peak, any input-to-case (ground)
Impedance >12M ohms, input-to-case (ground)