PQMII-T20-A | GE Multilin Advanced Power Quality Meter

GE Multilin PQMII-T20-A – Product Description

Overview

The GE Multilin PQMII-T20-A is a multifunction power quality meter and feeder protection relay, ideal for continuous monitoring of three-phase industrial and utility feeders. It measures critical electrical parameters including voltage, current, real and reactive power, and harmonics. Moreover, its advanced protection features and user-friendly interface allow operators to monitor, control, and optimize power distribution efficiently.

Technical Specifications

Electrical Inputs:

• Voltage range: 100–480 VAC (3-phase)

• Current inputs: 1 A / 5 A CT compatible

Measured Parameters:

• Voltage, current, real/reactive/apparent power

• Energy consumption and cost of power

• Power factor and frequency

• Harmonics and THD

Protection Functions:

• Overcurrent (phase, ground, sensitive ground)

• Over/undervoltage alarms

• Unbalance detection

• Demand-based load shedding

• Capacitor bank switching

Control & Outputs:

• 4 programmable output relays for alarms and control

• 4 switch inputs for breaker status, flow information, or custom logic

Event Recording & Diagnostics:

• Waveform capture and event logging

• Voltage Disturbance Recorder (VDR) for sag/swell events

Communication Protocols:

• Modbus RTU, Modbus TCP/IP, Ethernet, DNP 3.0

User Interface:

• Large backlit LCD display with keypad

Environmental Ratings:

• Operating temperature: 0 °C to +60 °C

• Storage temperature: –20 °C to +70 °C

• Optional conformal coating

Mounting Options:

• Panel mount or DIN rail mount

FAQ

Q1: What types of power systems does PQMII-T20-A support?
It supports three-phase systems from 100 to 480 VAC and 1/5 A CT inputs.

Q2: Can it record events for troubleshooting?
Yes, it captures waveforms and logs events including voltage disturbances.

Q3: Which communication protocols are available?
Modbus RTU, Modbus TCP/IP, Ethernet, and DNP 3.0 are all supported.

Q4: Is it suitable for harsh industrial environments?
Yes, optional conformal coating provides chemical and dust protection.

Q5: Can it control capacitors and breakers?
Yes, programmable relays and switch inputs allow flexible control for various applications