Skip to content
VTEKE

Power Quality and Energy

EA-C5 Three-Phase Energy Analyzer

ModelEA-C5

Product overview

The VTEKE EA-C5 is an advanced three-phase panel-mounted energy analyzer designed for comprehensive measurement, energy monitoring and power quality monitoring in low- and medium-voltage electrical systems. It measures voltage, current, frequency, active, reactive and apparent power, power factor, energy, and harmonic components up to the 55th harmonic.

Applications

  • Energy consumption monitoring
  • Electrical parameter monitoring in distribution systems
  • Power quality monitoring
  • Voltage and current harmonic analysis
  • Power factor monitoring
  • Active and reactive power monitoring
  • Demand and electrical load monitoring
  • Electrical event monitoring and recording

Key features

  • Three-phase electrical measurement and energy monitoring
  • Active, reactive and apparent power measurement
  • Import and export active energy measurement
  • Inductive and capacitive reactive energy measurement
  • True power factor and cos φ measurement
  • Voltage and current harmonics up to the 55th harmonic
  • Total Harmonic Distortion measurement (THD-V and THD-I)
  • Frequency measurement
  • Demand monitoring and recording
  • Event logging for electrical parameters and THD limits
  • Real-time clock with date and time setting
  • RS485 Modbus RTU communication
  • 2 adjustable relay outputs
  • 1 digital input
  • Configurable CT and VT ratios
  • Internal memory for energy, demand and event records
  • Password-protected menu
  • Custom-design glass LCD
  • 96 × 96 mm panel-mounted design

Specifications

Measurement Characteristics

Measurement Characteristics
Voltage MeasurementPhase-to-phase, Phase-to-neutral
Current MeasurementI1, I2, I3, ΣI
FrequencyF1, F2, F3
Active PowerP1, P2, P3, ΣP
Reactive PowerQ1, Q2, Q3, ΣQ
Apparent PowerS1, S2, S3, ΣS
Power FactorTrue PF, cos φ of each phase
Active EnergyΣkWh (Import & Export)
Reactive EnergyΣkVArh (Inductive & Capacitive)
Total Harmonic DistortionTHD-V, THD-I
Voltage HarmonicsUp to 55th harmonic (L-N and L-L)
Current HarmonicsUp to 55th harmonic
Voltage / Current Accuracy±0.2%
Active Energy Accuracy±0.5%
Reactive Energy Accuracy±1%

Electrical Characteristics

Electrical Characteristics
Operating Voltage85–240 V AC
Operating Frequency50/60 Hz
Operating Power<10 VA
Input Voltage (L-N)1–330 V AC
Voltage Measuring Range1 V–600 kV
Input Current1 mA–5.5 A
Current Measuring Range1 mA–50,000 A
Current Transformer Ratio1–5000
Voltage Transformer Ratio1.0–9999
Supported Connection3P4W

Communication & Functions

Communication & Functions
CommunicationRS485 Modbus RTU
Relay Output2 Adjustable Relay Outputs
Relay Contact Rating2 A / 250 V AC (Resistive Load)
Digital Input9–24 V DC
Event LogsHigh/low voltage, power interruption, voltage/current imbalances, high current, THD-V and THD-I limits
Real-Time ClockDate and time can be set
MemoryEnergy values, demand records and event logs can be deleted
Password ProtectionMenu is password protected

Display & Mechanical Characteristics

Display & Mechanical Characteristics
Display71.5 × 61.5 mm Custom Design Glass LCD
Panel Size96 × 96 mm
Panel Cut-Out91 × 91 mm
Cable Cross-Section1.5 mm²
Protection DegreeIP41 Front Panel / IP20 Body

Environmental Characteristics

Environmental Characteristics
Operating Temperature-20°C to +55°C

Full certificate register

Ready To Specify Your Next Project?

Our sales engineers work directly with panel builders and procurement teams to specify the right product, confirm lead times, and coordinate international shipping.