Product overview
The VTEKE EA-C4 is a three-phase panel-mounted energy analyzer designed for comprehensive measurement and monitoring of electrical parameters in low- and medium-voltage electrical systems. It measures voltage, current, frequency, active, reactive and apparent power, power factor, energy, and harmonic components.
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
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 31st harmonic
- Total Harmonic Distortion measurement (THD-V and THD-I)
- Frequency measurement
- Demand recording
- RS485 Modbus RTU communication
- Adjustable relay output
- Configurable CT and VT ratios
- Password-protected menu
- Custom-design glass LCD
- 96 × 96 mm panel-mounted design
Specifications
Measurement Characteristics
| Voltage Measurement | Phase-to-phase, Phase-to-neutral |
|---|---|
| Current Measurement | I1, I2, I3 |
| Frequency | F1, F2, F3 |
| Active Power | P1, P2, P3 |
| Reactive Power | Q1, Q2, Q3 |
| Apparent Power | S1, S2, S3 |
| Power Factor | True PF, cos φ of each phase |
| Active Energy | ΣkWh (Import & Export) |
| Reactive Energy | ΣkVArh (Inductive & Capacitive) |
| Total Harmonic Distortion | THD-V, THD-I |
| Voltage Harmonics | Up to 31st harmonic (L-N and L-L) |
| Current Harmonics | Up to 31st harmonic |
| Voltage / Current Accuracy | ±0.5% |
| Active Energy Accuracy | ±1% |
| Reactive Energy Accuracy | ±2% |
Electrical Characteristics
| Operating Voltage | 85–240 V AC |
|---|---|
| Operating Frequency | 50/60 Hz |
| Operating Power | <10 VA |
| Input Voltage (L-N) | 5–330 V AC |
| Voltage Measuring Range | 5 V–330 kV |
| Input Current | 1 mA–5.5 A |
| Current Measuring Range | 1 mA–50,000 A |
| Current Transformer Ratio | 1–1000 |
| Voltage Transformer Ratio | 1.0–9999 |
| Supported Connection | 3P3W |
Communication & Functions
| Communication | RS485 Modbus RTU |
|---|---|
| Relay Output | Adjustable |
| Contact Input | 3 A / 250 V AC (Resistive Load) |
| Memory | Energy and demand records can be deleted |
| Password Protection | Menu is password protected |
Display & Mechanical Characteristics
| Display | 71.5 × 61.5 mm Custom Design Glass LCD |
|---|---|
| Panel Size | 96 × 96 mm |
| Panel Cut-Out | 91 × 91 mm |
| Connection Type | Plug-in Terminal Connection |
| Cable Cross-Section | 1.5 mm² |
| Weight | <300 g |
| Protection Degree | IP54 Front Panel / IP20 Body |
Environmental Characteristics
| Operating Temperature | -20°C to +55°C |
|---|
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