PQMII-T20-C-A | GE Multilin Power Quality Meter | PQMII Series

Product Overview

The GE Multilin PQMII-T20-C-A is an advanced microprocessor-based power monitoring device designed for high-accuracy energy management and power quality analysis. This unit provides continuous surveillance of three-phase systems, offering real-time data for industrial and commercial power distribution networks. It is particularly effective for identifying power system disturbances and optimizing electrical load distribution.

Technical Specifications

The PQMII-T20-C-A features a robust hardware configuration tailored for low-voltage control environments.

• Model Number: PQMII-T20-C-A

• Power Supply: 20–60 VDC or 20–48 VAC

• Operating Frequency: 50/60 Hz

• Power Consumption: 20VA

• Analog Inputs: One (1) 4 to 20 mA DC input for transducer integration

• Analog Outputs: Four (4) isolated 4 to 20 mA outputs (assignable to any parameter)

• Digital I/O: Four (4) Form-C output relays and four (4) programmable switch inputs

• Communication Ports: Two (2) rear RS485 ports and one (1) front RS232 port

• Protocol: Modbus RTU

• Weight: Approximately 1.36 kg (3.00 lbs)

Core Functionality and Application

This meter excels in monitoring total harmonic distortion (THD) and individual harmonics, which is essential for protecting sensitive electronic equipment from waveform deformation. Common deployment scenarios include:

• Substation Automation: Monitoring feeder performance and loading.

• Industrial Plants: Tracking energy consumption for cost allocation and demand control.

• Critical Infrastructure: Ensuring power stability in data centers or healthcare facilities.

Frequently Asked Questions

What is the significance of the "T20" designation in this model?

The "T20" indicates the specific power supply range designed for low-voltage DC or AC control circuits, ensuring compatibility with battery-backed systems.

Does this unit support remote monitoring?

Yes, the dual rear RS485 ports allow for daisy-chaining multiple meters into a SCADA or Building Management System (BMS) using the Modbus RTU protocol.