{"product_id":"power-quality-meters-ge-multilin-pqmii-t20","title":"Power Quality Meters | GE Multilin PQMII-T20","description":"\u003ch2\u003eGE Multilin PQMII-T20 Power Quality Meter\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eGE Multilin PQMII-T20\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003ePQMII-T20-C-A\u003c\/strong\u003e Power Quality Meter, operates as a dedicated hardware component for power quality monitoring and feeder protection within electrical distribution networks. This panel-mounted digital unit samples three-phase voltage lines (100-480 VAC) and 1 A \/ 5 A current transformer (CT) inputs, calculating total harmonic distortion (THD), power factor, frequency, and active energy parameters in real time. The device coordinates waveform capture, sequence-of-events logging, four programmable output relays, four isolated analog outputs, and digital switch inputs to execute automated load shedding and alarm logic across SCADA and automation platforms.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eThe PQMII base ordering matrix determines the hardware architecture, auxiliary power supply parameters, transducer outputs, and environmental options:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePQMII\u003c\/strong\u003e: Base series designation for the GE Multilin Power Quality Meter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT20\u003c\/strong\u003e: Transducer output option code denoting four isolated 4-20 mA analog outputs and four programmable control relays.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eC\u003c\/strong\u003e: Optional internal conformal coating designation for corrosion and dust protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA\u003c\/strong\u003e: Control power supply rating code (20-60 VDC or 20-48 VAC auxiliary power input).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003ePQMII-T20-C-A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGE Multilin \/ GE Vernova Grid Solutions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eCanada \/ United States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.27 kg (5.0 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard 1\/8 DIN cutout depth profile (Panel mount)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to +60 deg C (Standard industrial enclosure rating)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e20 VA maximum (20-60 VDC or 20-48 VAC supply)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Inputs\u003c\/td\u003e\n\u003ctd\u003e100-480 VAC three-phase (direct or VT-coupled)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Inputs\u003c\/td\u003e\n\u003ctd\u003e1 A \/ 5 A secondary CT inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Frequency\u003c\/td\u003e\n\u003ctd\u003e50\/60 Hz nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Capacity\u003c\/td\u003e\n\u003ctd\u003e1 Analog Input (4-20 mA), 4 Isolated Analog Outputs (4-20 mA), 4 Output Relays, 4 Switch Inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSerial Ports\u003c\/td\u003e\n\u003ctd\u003e2 Rear RS-485 ports, 1 Front RS-232 port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEthernet \/ Network\u003c\/td\u003e\n\u003ctd\u003eEthernet connectivity with Modbus TCP\/IP, Modbus RTU, and DNP 3.0 protocols\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication Velocity and Firmware Flash Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe PQMII-T20 integrates dual RS-485 serial interfaces and an optional Ethernet module to maintain deterministic data transmission across SCADA and network backbones without bottlenecking backplane bus communication velocity. Internal digital signal processors isolate analog 4-20 mA loops and field digital inputs, updating system registers continuously while suppressing high-frequency noise. The unit features built-in flash memory to maintain firmware flash compatibility across legacy Modbus RTU loops and modern DNP 3.0 master platforms, permitting remote configuration and synchronized event logs without interrupting active metering functions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How do technicians perform firmware updates or access diagnostic logs on the PQMII-T20?\u003c\/p\u003e\n\u003cp\u003eA: Connect a PC cable directly to the front RS-232 port or communicate remotely over Ethernet using Modbus TCP\/IP. The device permits non-disruptive log retrieval and flash firmware maintenance while the primary monitoring loops remain energized.\u003c\/p\u003e\n\u003cp\u003eQ: Can the 4-20 mA analog outputs be mapped directly to external PLC analog input modules?\u003c\/p\u003e\n\u003cp\u003eA: Yes, all four onboard analog outputs are electrically isolated and user-assignable. Engineers map measured parameters such as current, voltage, active power, or THD directly to standard 4-20 mA channels for automation control.\u003c\/p\u003e\n\u003cp\u003eQ: What grounding protocols apply when wiring the 1 A \/ 5 A CT secondary circuits?\u003c\/p\u003e\n\u003cp\u003eA: Terminate all CT secondary wiring securely at the rear screw terminals and establish a solid, single-point ground connection on the secondary return circuit to prevent high-voltage induction or ground loop offsets.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003ePanel Cutout and Mechanical Mounting: Insert the PQMII-T20 into the standard panel cutout, securing the side mounting brackets firmly to ensure a low-impedance connection between the metallic enclosure case and the switchgear cabinet chassis.\u003c\/p\u003e\n\u003cp\u003eCT and VT Wiring Integrity: Wire the three-phase 100-480 VAC potential transformer (VT) inputs and 1 A \/ 5 A current transformer (CT) secondary loops using recommended wire gauges. Observe strict polarity markings to ensure correct power factor and directional power calculations.\u003c\/p\u003e\n\u003cp\u003eShielding and Communication Lines: Route RS-485 twisted-pair communication cables away from high-voltage busbars and motor control lines. Ground the RS-485 cable shield at one end only to prevent ground loop noise from corrupting Modbus or DNP 3.0 serial communications.\u003c\/p\u003e","brand":"GE Fanuc","offers":[{"title":"Default Title","offer_id":43871006916707,"sku":"PQMII-T20","price":120.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/347_6a547445-da72-455c-8e08-d9dd2b997dbb.jpg?v=1764829199","url":"https:\/\/www.autocontrolglobal.com\/products\/power-quality-meters-ge-multilin-pqmii-t20","provider":"AutoControl Global","version":"1.0","type":"link"}