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AC-PRO VS. AC-PRO-IIDATA SHEET
Comparison of The AC-PRO and AC-PRO-II Features and SettingsTrip Unit Micro-controller based
UTILITYRELAY.COM 888-289-2864
FEATURE COMPARISON
AC-PRO-II® with VDM AC-PRO-II® AC-PRO®
General Features
Small Size ü ü
1-Line LCD Display ü
Multi-Line OLED Display ü ü
Displayed on Trip Unit
3 Phase Currents ü ü ü
3 Phase Voltage ü
Power & Energy (KW, KVA, PF, KWHr, KVAHr) ü
Frequency Measurement ü ü
General Settings
Rating Plug No No No
Frequency Setting (50Hz or 60Hz) ü ü
CT Primary Rating ü ü ü
CT Secondary Rating ü ü
Current Based Protection
Long Time (LT) ü ü ü
Short Time (ST) ü ü ü
Instantaneous (I) ü ü ü
Ground Fault (GF) ü ü ü
Ground Fault Alarm Only ü ü
Phase Unbalance (Current) ü
Thermal Memory (LT, ST & GF) ü ü ü
Neutral Overload (NOL) ü ü
Voltage Based Protection
Undervoltage (UV) ü
Overvoltage (OV) ü
Phase Loss/Reverse Phase Negative Sequence(Protects Against Single-Phasing)
ü
Replaced with Phase loss in AC-PRO-II
FEATURE & SETTINGS COMPARISONAC-PRO VS. AC-PRO-II
Utility Relay Company has two different models in the AC-PRO family of trip units. Listed below is a breakdown of the features and settings available for the AC-PRO and AC-PRO-II.
VDM Module
DATA SHEET
Comparison of The AC-PRO and AC-PRO-II Features and SettingsTrip Unit Micro-controller based
UTILITYRELAY.COM 888-289-2864
AC-PRO-II® with VDM AC-PRO-II® AC-PRO®
QUICK-TRIP® Arc Flash Hazard Reduction
QUICK-TRIP Instantaneous (QT-I) ü ü ü
QUICK-TRIP Ground Fault (QT-GF) ü ü ü
Last Trip Data
Trip Counter by Function ü ü ü
Number of Last Trip Events Saved 8 8 1
Time Stamping ü ü
Waveform Capture on Trip ü ü
Voltage, Frequency, Power & Energy Metering
Data Available Using Communications ü
Alarm Outputs
Configurable Alarm Relay ü ü
Waveform Capture
Waveform Capture on Demand ü ü
Waveform Capture on Trip ü ü
Communications
Modbus RTU via RS485 ü ü
Patented Sluggish Breaker™ Detection
Sluggish Breaker™ ü ü
Direct Computer Interface
USB Port on Trip Unit ü ü
Compatible with InfoPro-AC Software for PC’s
ü ü
SAFE-T-TRIP™ Remote Trip Compatible
USB Port for SAFE-T-TRIP™ ü ü
Auto CT Polarity
Avoids Nuisance GF Trips Due to Incorrect CT Polarity Connection
ü* *(Future Firmware Update)
ü* *(Future Firmware Update)
Test Mode ü ü
FEATURE & SETTINGS COMPARISONAC-PRO VS. AC-PRO-II
VDM Module
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