AC-PRO VS. AC-PRO-IIDATA SHEET

Comparison of The AC-PRO and AC-PRO-II Features and SettingsTrip Unit Micro-controller based

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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

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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