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Product Description:
The AEG Protec PM4000 is a high-accuracy, DIN-rail-mounted multifunction power meter designed for comprehensive electrical parameter monitoring in commercial, industrial, and utility applications. It measures all key electrical parameters including voltage, current, power, energy, power factor, frequency, and demand, and transmits data via RS-485 Modbus RTU protocol.
Technical Specifications:
- Measurement Type: 3-Phase 4-Wire (3Φ4W) — measures L1, L2, L3, N
- Voltage Input: 57.7V / 100V / 230V / 400V AC (selectable via jumper)
- Current Input: 1A or 5A AC (via external CT: 50A – 5000A, selectable)
- Voltage Accuracy: ±0.5% of reading (Class 0.5)
- Current Accuracy: ±0.5% of reading (Class 0.5)
- Active Power Accuracy: ±0.5% (Class 0.5)
- Reactive Power Accuracy: ±1.0%
- Frequency Range: 45Hz – 65Hz; Accuracy: ±0.01Hz
- Power Factor Range: 0.000 – 1.000; Accuracy: ±0.01
- Energy Measurement: Active Energy (kWh), Reactive Energy (kvarh); Resolution: 0.001 kWh
- Demand (Max Demand): Sliding window: 1–60 min; Accuracy: ±1%
- RS-485 Communication: Modbus RTU, 9600/19200/38400 baud (configurable)
- Auxiliary Power Supply: 85–270V AC/DC (wide-range universal supply)
- Display: Backlit LCD (128×64 pixels) — shows all measured values simultaneously
- Digital Inputs: 4× DI (dry contact, for pulse counting, alarm, etc.)
- Digital Outputs: 2× DO (relay output, programmable alarm/pulse)
- Relay Output Rating: 250V AC / 30V DC, 3A (resistive)
- Standards Compliance: IEC 61557-12, IEC 61557-13, IEC 61000-4-30 (Class A), EN 61000-6-2, EN 61000-6-4
- Protection Rating: IP51 (front panel), IP20 (terminal area)
- Installation: DIN 35mm rail (EN 60715 TH35)
- Dimensions (W×H×D): 96mm × 96mm × 78mm
- Weight: ~350g
Measured Parameters:
| Parameter | Symbol | Unit | Range |
|---|---|---|---|
| Phase Voltages | U1, U2, U3, U12, U23, U31 | V | 0 – 600V |
| Phase Currents | I1, I2, I3 | A | 0 – 5A (direct) / 0 – 5000A (CT) |
| Active Power | P1, P2, P3, Ptotal | W / kW | 0 – 9999kW |
| Reactive Power | Q1, Q2, Q3, Qtotal | var / kvar | 0 – 9999kvar |
| Apparent Power | S1, S2, S3, Stotal | VA / kVA | 0 – 9999kVA |
| Power Factor | PF1, PF2, PF3, PFtotal | — | 0.000 – 1.000 |
| Frequency | f | Hz | 45.00 – 65.00 Hz |
| Active Energy | EPI, EPE | kWh | 0 – 9999999.999 kWh |
| Reactive Energy | EQI, EQE | kvarh | 0 – 9999999.999 kvarh |
| Maximum Demand | MD | kW | 0 – 9999kW |
| THD Voltage | THD-U | % | 0 – 100% |
| THD Current | THD-I | % | 0 – 100% |
Advantages:
- Class 0.5 accuracy for billing-grade energy measurement
- Universal 85–270V AC/DC power supply — no auxiliary transformer needed
- RS-485 Modbus RTU — seamless SCADA/BMS integration
- 4 digital inputs + 2 relay outputs for full automation capability
- Backlit LCD with simultaneous multi-parameter display
- IEC 61000-4-30 Class A — power quality monitoring capability
Applicable Industry:
- Commercial building energy management (BEMS)
- Industrial process monitoring
- Electrical substations
- Data center power monitoring
- Renewable energy (solar/wind) metering
- Utility billing and load management
