The Schneider Electric EasyLogic EM6400NG+ is a high-performance energy and power monitoring meter tailored for industrial, commercial, and utility applications. Built for precise metering, diagnostics, and energy efficiency analysis, it is an essential tool for electrical panels where accuracy, reliability, and advanced communication are critical.
Product Series: EasyLogic
Model: EM6400NG+ RS-485
Product Type: Power and Energy Meter
Reference: METSEEM6400NGRSCL1
Designed specifically for power monitoring and analysis, the EM6400NG+ supports:
Energy consumption tracking
Peak demand identification
Power quality assessment (up to 15th harmonic)
Event and fault analysis through time-stamped logs
Voltage Types: Line and phase voltages (U21, U32, U13, V1, V2, V3)
Current Types: I1, I2, I3, Neutral current, Peak demand
Power Types: Active (P, P1, P2, P3), Reactive (Q, Q1, Q2, Q3), Apparent (S, S1, S2, S3)
Power Factor: Signed, four-quadrant, Displacement PF
Energy Types: Active, Reactive, Apparent (four-quadrant signed)
Demand Metrics: Demand power and demand current (present & past values)
Frequency: 45–65 Hz with ±0.05% accuracy
Unbalance Metrics: Voltage and current unbalance
Harmonics: Total Harmonic Distortion (THD) and individual harmonics up to 15th order
Supply Voltage: 40–300 V AC/DC
Rated Current: 1 A / 5 A
Power Consumption:
6 VA at 277 V (Phase-Neutral)
2 W at 277 V
Sampling Rate: 64 samples per cycle
Accuracy:
Voltage, Current, Power: ±0.5%
Frequency: ±0.05%
Power Factor: ±0.01
Compliance:
Active Energy: Class 1 (IEC 62053-21)
Reactive Energy: Class 2 (IEC 62053-23)
Harmonics: Class 5P (IEC 61557-12)
Supported Networks:
Single-phase and multi-phase configurations: 1P+N, 2P, 2P+N, 3P, 3P+N
Communication:
RS485 Port
Protocol: Modbus RTU (4800 to 38.4 kbps)
Isolation: 2500 V
LED Indicators:
Green: Communication activity
Red: Output pulse (1–9,999,000 pulses/kWh, kVAh, kVARh)
Display Type: Red 7-segment LED
Display Format:
3 fields, 4 characters each
12-digit numeric, 14.2 mm character height
User Access: Tamper-proof settings with access code protection
Material: Flame-retardant Polycarbonate (UL 94 V-0)
Mounting: Panel or flush-mounted with clamp support
Dimensions:
Width: 96 mm
Height: 96 mm
Depth: Panel – 73 mm, Outside – 13 mm
Weight: Net – 600 g
Terminal Connections:
Screw clamp terminals for all circuits
Wire sizes: 0.33 mm² to 3.31 mm²
Tightening torque: 0.9–1 N.m
Protection Rating:
Front: IP51 (IEC 60529)
Body: IP30
Temperature Ranges:
Operating: -10 to 60°C
Storage: -20 to 70°C
Humidity: 5–95% RH at 50°C
Altitude: ≤ 2000 m
Pollution Degree: 2
Installation Category: CAT III (480 V), CAT II (600 V)
Insulation Class: Class II
Recorded Data:
Energy logs
Min/Max of voltage, current, frequency, power factor, power, and demand
Demand Intervals: Configurable (1 to 60 minutes)
Event Logs: Time-stamped for diagnostic accuracy
Certifications:
CE, CULus, C-Tick
Standards:
IEC 61010-1 (Ed. 3)
UL 61010-1
CSA C22.2
Schneider Electric is committed to sustainable practices under its “Use Better, Use Longer, Use Again” initiative. The EM6400NG+ supports:
Packaging made from recycled cardboard
RoHS compliant (SCIP #1e118aef-b19c-4467-88e5-d3127183205f)
WEEE directive adherence
Circularity profile available
Package Type: Single unit (PCE)
Dimensions:
Height: 10.3 cm
Width: 11.6 cm
Length: 13.2 cm
Weight: 500 g
Below are some common issues that may occur while operating the EM6400NG+ energy meter, along with recommended actions:
Issue | Possible Cause | Recommended Solution |
---|---|---|
No Display on Meter | - No power supply to the meter - Loose terminal connections | - Ensure the power supply voltage (40–300 V AC/DC) is present - Check and tighten all terminal connections |
Incorrect Readings | - CT polarity reversed - Improper configuration of CT/PT ratios | - Verify CT installation direction and polarity - Reconfigure the CT/PT settings via user interface |
Communication Failure (RS-485) | - Incorrect baud rate or parity setting - Loose communication cable - Grounding issues | - Match communication settings with SCADA/PLC - Check RS-485 wiring and insulation - Ensure proper grounding and shielding |
No Pulse Output | - Incorrect wiring of pulse output - Output threshold not reached | - Verify pulse output connection - Confirm that consumption is sufficient to trigger pulse |
LED Indicators Not Working | - Internal fault or LED failure - Power supply issue | - Power cycle the device - Contact Schneider support if issue persists |
Unstable Readings | - Electrical noise - Poor grounding | - Improve system grounding - Install filters if necessary |
Access Denied to Settings | - Tamper-proof access code enabled | - Use the correct access code or reset via admin support |
Demand Values Not Updating | - Incorrect demand interval setting - Demand reset not performed | - Reconfigure demand interval (1–60 minutes) - Reset demand values manually or schedule automatic reset |
The EasyLogic EM6400NG+ Energy Meter by Schneider Electric is a robust, versatile, and intelligent solution for modern energy monitoring needs. With high-precision measurement, detailed power quality analysis, and reliable data communication, it stands as an industry standard for energy professionals aiming for efficiency, safety, and sustainability.