Application Scenarios

At a Tier III data center in Singapore,facility managers needed granular visibility into PDU-level energy consumption to optimize cooling efficiency and validate SLA-based billing from the utility.Legacy meters lacked harmonic data and remote access.The PIONEER PM3398B-6-1-3-E was installed on critical UPS output feeders,using its six current inputs to monitor all three phases plus neutral for two separate 3-phase circuits in a single device.Its built-in web server allowed engineers to view real-time kW,kVAh,THD,and voltage unbalance directly via browser—without SCADA dependency.Over six months,the meter identified a 12%phase imbalance caused by uneven server rack loading,which was corrected through load redistribution,reducing transformer losses by 4.7 kW continuously.The PM3398B-6-1-3-E thus transformed raw electrical data into actionable energy intelligence.

Parameter

Main Parameters Value/Description

Model PM3398B-6-1-3-E

Manufacturer PIONEER(a brand under L&T Electrical&Automation/formerly Pioneer Magnetics)

Accuracy Class 0.5S(per IEC 62053-22)

Voltage Input 3-phase,3-wire or 4-wire;100–415 VAC(phase-to-phase)

Current Input 6 channels–supports CTs(1A/5A)or flexible Rogowski coils

Measured Parameters V,I,kW,kVAR,kVA,PF,Hz,kWh,kVARh,THD(V/I),unbalance,demand,max/min

Communication Interfaces Ethernet(10/100 Mbps):Modbus TCP,HTTP,DHCP,SNTP

RS485:Modbus RTU

Digital Inputs 3 programmable dry-contact inputs(e.g.,for tariff switching or alarms)

Relay Outputs 2 configurable alarm relays(form C)

Display Backlit LCD with navigation buttons

Mounting Standard 35 mm DIN rail

Standards Compliance IEC 62053-22,IEC 61000-4(EMC),IEEE 519(harmonics)

Operating Temperature-25°C to+70°C

Technical Principles and Innovative Values

Innovation Point 1:Dual-Circuit Monitoring in One Device

With 6 current inputs,the PM3398B-6-1-3-E can monitor two independent 3-phase loads(e.g.,dual UPS outputs or generator vs.grid)using a single voltage reference—cutting hardware cost and panel space by 50%.

Innovation Point 2:Embedded Web Server for Zero-Software Diagnostics

Access real-time power data,event logs,and configuration settings via any web browser—ideal for field technicians without SCADA access.

Innovation Point 3:Comprehensive Power Quality Suite

Beyond basic energy,it calculates voltage/current THD up to 50th harmonic,phase unbalance,and transient events—enabling proactive maintenance before equipment damage occurs.

Innovation Point 4:Future-Ready Communication Stack

Supports Modbus TCP/RTU for legacy SCADA and SNTP for time-synchronized logging—ensuring compatibility across brownfield and greenfield deployments.

Application Cases and Industry Value

In an automotive stamping plant in Mexico,frequent breaker trips on press lines were disrupting production.Root-cause analysis was hindered by lack of waveform data.After installing the PIONEER PM3398B-6-1-3-E on the main press feeder,engineers discovered severe 5th and 7th harmonic distortion(>18%THDi)from VFD-driven motors.The meter’s event log captured exact trip timestamps correlated with harmonic spikes.Armed with this data,the plant installed harmonic filters and reprogrammed VFD carrier frequencies.Press downtime dropped by 92%,saving~$380K annually in lost production.The PM3398B-6-1-3-E paid for itself in under 3 months—not as a meter,but as a diagnostic sentinel.

Related Product Combination Solutions

PIONEER PM3398B-6-1-3-R:Same model with RS485-only(no Ethernet)for cost-sensitive applications

PIONEER PM130+:Basic single-phase energy meter–for non-critical branch circuits

L&T EM6400:Higher-end power quality analyzer–for utility-grade compliance monitoring

Schneider PowerLogic ION9000:Premium alternative with waveform capture–for forensic PQ analysis

Siemens SENTRON PAC4200:Competitor Class 0.5S meter–for Siemens-centric ecosystems

CT-ROG-1000:Flexible Rogowski coil–ideal for retrofit installations with limited space

ABB Ekip UP:Digital protection relay with metering–for integrated protection+monitoring

Ignition SCADA/EcoStruxure:Software platforms that natively ingest PM3398B Modbus data

Installation,Maintenance,and Full-Cycle Support

Installation requires connecting 3-phase voltage lines and up to 6 current sensors(CTs or Rogowski coils)to the terminal blocks.The PM3398B-6-1-3-E auto-detects wiring configurations(delta/wye)and supports vector rotation correction via front-panel setup.For Rogowski coils,an external integrator(often built into the coil)is required.

Maintenance is minimal—no calibration needed for 5+years under normal conditions.The LCD displays real-time alarms(e.g.,overcurrent,loss of phase),while the Ethernet port enables remote firmware updates and configuration backups.We recommend annual verification against a portable calibrator in revenue-critical applications.

We supply genuine PIONEER PM3398B-6-1-3-E units with full factory traceability,pre-configuration services(IP address,CT ratios,Modbus map),and post-installation validation support.Each unit is tested for accuracy,communication handshake,and harmonic response before shipment.Whether you’re deploying a single meter or a campus-wide submetering network,we ensure your PM3398B delivers utility-grade data you can trust—for billing,sustainability reporting,or operational excellence.

Contact us for a tailored solution—including wiring diagrams,Modbus register maps,and integration guides for your SCADA or energy management platform.