PM-4324AP
PM-4324AP
Multi-circuit Smart Power Meter with 2 independent main circuit inputs
Features
- Supports bidirectional kWh metering
- 8 Three Phase Circuits or 24 Single Phase Circuits
- True RMS Power Measurements
- Energy Analysis for 3P4W, 3P3W, 1P3W, 1P2W
- Supports CTs with 333 mV voltage output
- Voltage Measurements Up to 500 V
- Total Harmonic Distortion (THD)
- Support Modbus RTU Protocol
- Support 2 Power Relay Output (Form A)
- Compliant with IEC 61010-1 and EN 61010-1 standards
- Introduction
- Application
- Specification
- Download
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Introduction
The PM-4324P series from ICP DAS is a multi-circuit smart power meter capable of monitoring up to 8 three-phase circuits or 24 single-phase circuits, or any combination of both. It measures up to 24 current inputs via external current transformers (CTs), offering flexibility ideal for multi-tenant facilities such as residential complexes, office buildings, and shopping malls. With its compact form factor, the PM-4324P can be conveniently installed inside existing panelboards or flush-mounted nearby, avoiding the need for costly retrofitting or allocating extra installation space. The PM-4324AP is equipped with two independent main voltage inputs, allowing it to monitor two different power systems separately. Alternatively, the two inputs can be connected in parallel and used as a single main circuit input, providing functionality equivalent to the PM-4324P. This design offers greater flexibility and adaptability for various applications. Both PM-4324P and PM-4324AP do not include CTs by default; users can select compatible CTs with a 333 mV voltage output. Rogowski coils are not supported.
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Single-phase / Three-phase / Multi-circuit Smart Power Meters (Modbus-RTU / Modbus-TCP)
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| Model | Phase | Loops | Bi-directional Energy | CT Included | Max. Voltage | Max. Current | Max. CT Inner Diameter | CT Cable Length | |
|---|---|---|---|---|---|---|---|---|---|
| Modbus/RTU | Modbus/TCP | ||||||||
| PM-4324-xxxP (1 main circuit) |
PM-4324-xxxP-MTCP (1 main circuit) |
Single / Three | 24/8 | Yes | Yes | 500V | 400A | 36mm | 4m |
| PM-4324A-xxxP (1 or 2 main circuit) |
PM-4324A-xxxP-MTCP (1 or 2 main circuit) |
Single / Three | 24/8 | Yes | Yes | 500V | 400A | 36mm | 4m |
| PM-4324P (1 main circuit) |
PM-4324P-MTCP (1 main circuit) |
Single / Three | 24/8 | Yes | - | 500V | Depends on selected CT (333 mV input) | ||
| PM-4324AP (1 or 2 main circuit) |
PM-4324AP-MTCP (1 or 2 main circuit) |
Single / Three | 24/8 | Yes | - | 500V | Depends on selected CT (333 mV input) | ||
Application
Specification
| AC Power Measurement | |
|---|---|
| Wiring | 3P4W-3CT, 3P3W-2CT, 3P3W-3CT, 1P2W-1CT, 1P3W-2CT |
| Loops |
3-phase: 8; 1-phase: 24 @ 1P2W-1CT, 8 @ 1P3W-2CT |
| Input Voltage | 10 ~ 500 V |
| Input Frequency | 50/60 Hz |
| W Accuracy |
Accuracy is approximately 2–5% (PF = 1), depending on the CT used. The CT ratio must be set correctly. |
| Power Parameter Measurement | True RMS voltage (Vrms), True RMS current (Irms), Active Power (kW), Active Energy (kWh), Apparent Power (kVA), Apparent Energy (kVAh), Reactive Power (kVAR), Reactive Energy (kVARh), Power Factor (PF), Frequency |
| Data Update Rate | 1 Second |
| COM Ports | |
|---|---|
| Ports | 1 x RS-485 |
| Baud Rate |
9600, 19200 (default), 38400, 115200; DIP Switch Selectable |
| Data Format | N,8,1; N,8,2; E,8,1; E,8,2; O,8,1; O,8,2 |
| Protocol | Modbus RTU |
| Isolation | 3000 VDC |
| Power | |
|---|---|
| Input Range | +85 ~ +264 VAC (277 VAC available) |
| Consumption | 6 W |
| Alarm Output |
Form A (Normal Open) x 2; Relay Contact Voltage Range: 5 A @ 250 VAC (47 ~ 63 Hz), 5 A @ 30 VDC |
| Mechanical | |
|---|---|
| Casing | Metal |
| Dimensions (mm) | 237 x 57 x 134 (W x L x H) |
| Installation | DIN-Rail & wall mounting |
| Environment | |
|---|---|
| Operating Temperature | -20 ~ +70 °C |
| Storage Temperature | -25 ~ +80 °C |
| Humidity | 10 ~ 90% RH, Non-condensing |
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